Julien Diaz

223
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Publications

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Practical unstructured splines: Algorithms, multi-patch spline spaces, and some applications to numerical analysis

Stefano Frambati , Hélène Barucq , Henri Calandra , Julien Diaz

Journal of Computational Physics, 2022, 471, pp.111625. ⟨10.1016/j.jcp.2022.111625⟩

Article dans une revue hal-03788980v1
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Polynomial-reproducing spline spaces from fine zonotopal tilings

Hélène Barucq , Henri Calandra , Julien Diaz , Stefano Frambati

Journal of Computational and Applied Mathematics, 2022, 402, pp.113812. ⟨10.1016/j.cam.2021.113812⟩

Article dans une revue hal-03505795v1

Seismic waves in medium with poroelastic/elastic interfaces: a two-dimensional P-SV finite-difference modelling

David Gregor , Peter Moczo , Jozef Kristek , Arnaud Mesgouez , Gaëlle Lefeuve-Mesgouez et al.

Geophysical Journal International, 2022, 228 (1), pp.551-588. ⟨10.1093/gji/ggab357⟩

Article dans une revue hal-03471065v1
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Pulsed-laser source characterization in laboratory seismic experiments

Chengyi D Shen , Daniel Brito , Julien Diaz , Federico Sanjuan , Clarisse Bordes et al.

Geomechanics and Geophysics for Geo-Energy and Geo-Resources, 2022, 8 (1), ⟨10.1007/s40948-021-00315-9⟩

Article dans une revue hal-03494134v1
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Time domain analysis and localization of a non-local PML for dispersive wave equations

Nacéra Baara , Julien Diaz , Mounir Tlemcani

Journal of Computational Physics, 2021, 445, pp.110638. ⟨10.1016/j.jcp.2021.110638⟩

Article dans une revue hal-03523312v1
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Implementation of Hybridizable Discontinuous Galerkin method for time-harmonic anisotropic poroelasticity in two dimensions.

Hélène Barucq , Julien Diaz , Rose-Cloé Meyer , Ha Pham

International Journal for Numerical Methods in Engineering, 2021, ⟨10.1002/nme.6651⟩

Article dans une revue hal-03464413v1
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Asymptotic behavior of acoustic waves scattered by very small obstacles

Hélène Barucq , Julien Diaz , Vanessa Mattesi , Sébastien Tordeux

ESAIM: Mathematical Modelling and Numerical Analysis, 2021, 55, pp.705 - 731. ⟨10.1051/m2an/2020047⟩

Article dans une revue hal-01250654v2
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Local strategies for improving the conditioning of the plane-wave Ultra-Weak Variational Formulation

Hélène Barucq , Abderrahmane Bendali , Julien Diaz , Sébastien Tordeux

Journal of Computational Physics, 2021, 441, pp.110449. ⟨10.1016/j.jcp.2021.110449⟩

Article dans une revue hal-03235684v1
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An effective numerical strategy for retrieving all characteristic parameters of an elastic scatterer from its FFP measurements

Izar Azpiroz , Hélène Barucq , Julien Diaz , Rabia Djellouli

Journal of Computational Physics, 2020, 419, ⟨10.1016/j.jcp.2020.109683⟩

Article dans une revue hal-02961043v1
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Construction and analysis of fourth order, energy consistent, family of explicit time discretizations for dissipative linear wave equations

Juliette Chabassier , Julien Diaz , Sébastien Imperiale

ESAIM: Mathematical Modelling and Numerical Analysis, 2020, 54 (3), pp.845-878. ⟨10.1051/m2an/2019079⟩

Article dans une revue hal-01894238v2

Recent advances in numerical methods for solving the wave equation in the context of seismic depth imaging

Henri Calandra , Zoé Lambert , Christian Gout , Andreas Atle , Marie Bonnasse-Gahot et al.

SMAI Journal of Computational Mathematics, 2019, S5, pp.47-65. ⟨10.5802/smai-jcm.51⟩

Article dans une revue hal-05265711v1
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Space-time Trefftz-DG approximation for elasto-acoustics

Hélène Barucq , Henri Calandra , Julien Diaz , Elvira Shishenina

Applicable Analysis, 2018, 00, pp.1 - 16

Article dans une revue hal-01940623v1
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Hybridizable discontinuous Galerkin method for the two-dimensional frequency-domain elastic wave equations

Marie Bonnasse-Gahot , Henri Calandra , Julien Diaz , Stéphane Lanteri

Geophysical Journal International, 2018, 213 (1), pp.637--659. ⟨10.1093/gji/ggx533⟩

Article dans une revue hal-01656440v1

Highly efficient and stable Ru/K-OMS-2 catalyst for NO oxidation

S Adjimi , J Garcia-Vargas , Julien Diaz , L Retailleau , S. Gil et al.

Applied Catalysis B: Environmental, 2017, 219, pp.459-466. ⟨10.1016/j.apcatb.2017.07.044⟩

Article dans une revue hal-01667748v1
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Non-conforming curved finite element schemes for time-dependent elastic–acoustic coupled problems

Angel Rodriguez Rozas , Julien Diaz

Journal of Computational Physics, 2016, 305, pp.44--62. ⟨10.1016/j.jcp.2015.10.028⟩

Article dans une revue hal-01255188v1
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Equivalent Robin Boundary Conditions for Acoustic and Elastic Media

Julien Diaz , Victor Péron

Mathematical Models and Methods in Applied Sciences, 2016, ⟨10.1142/S0218202516500378⟩

Article dans une revue hal-01254194v1
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Multi-level explicit local time-stepping methods for second-order wave equations

Julien Diaz , Marcus J. Grote

Computer Methods in Applied Mechanics and Engineering, 2015, 291, pp.240-265. ⟨10.1016/j.cma.2015.03.027⟩

Article dans une revue hal-01184090v1
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Non-conforming Galerkin finite element methods for local absorbing boundary conditions of higher order

Kersten Schmidt , Julien Diaz , Christian Heier

Computers & Mathematics with Applications, 2015, 70 (9), pp. 2252--2269. ⟨10.1016/j.camwa.2015.08.034⟩

Article dans une revue hal-01184251v1
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Absorbing Boundary Conditions for 2D Tilted Transverse Isotropic Media

Hélène Barucq , Lionel Boillot , Henri Calandra , Julien Diaz

ESAIM: Proceedings, 2014, Congrès SMAI 2013, 45, pp.400-409. ⟨10.1051/proc/201445041⟩

Article dans une revue hal-01085442v1
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High-Order Time Discretization Of The Wave Equation By Nabla-P Scheme

Hélène Barucq , Henri Calandra , Julien Diaz , Florent Ventimiglia

ESAIM: Proceedings, 2014, 45, pp.67 - 74. ⟨10.1051/proc/201445007⟩

Article dans une revue hal-01111071v1
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A local wave tracking strategy for efficiently solving mid-and high-frequency Helmholtz problems.

Mohamed Amara , Sharang Chaudhry , Julien Diaz , Rabia Djellouli , Steven Fiedler

Computer Methods in Applied Mechanics and Engineering, 2014, 276, pp.473--508. ⟨10.1016/j.cma.2014.03.012⟩

Article dans une revue hal-01010465v1
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Equivalent Boundary Conditions for Heterogeneous Acoustic Media

Manuela Castro , Julien Diaz , Victor Péron

Tendências em Matemática Aplicada e Computacional, 2014, 15 (3), pp.301-310. ⟨10.5540/tema.2014.015.03.0301⟩

Article dans une revue hal-01110728v1

Prospection pétrolière : le sous-sol révélé

Julien Diaz

Textes et documents pour la classe, 2013, Les mathématiques de la Terre, 1062, pp.32-33

Article dans une revue hal-00904018v1
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Long-Time Stability Analysis of Acoustic Absorbing Boundary Conditions for Regular-Shaped Surfaces

Hélène Barucq , Julien Diaz , Véronique Duprat

Mathematical Models and Methods in Applied Sciences, 2013, 23 (11), pp.2129-2154

Article dans une revue hal-00759451v1
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Stability analysis of the Interior Penalty Discontinuous Galerkin method for the wave equation

Cyril Agut , Julien Diaz

ESAIM: Mathematical Modelling and Numerical Analysis, 2013, 47 (3), pp.903-932. ⟨10.1051/m2an/2012061⟩

Article dans une revue hal-00759457v1

Jeter un œil " Au centre de la Terre

Julien Diaz

Mathématiques de la Planète Terre, un jour une brève, 2013

Article dans une revue hal-00924636v1
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Upscaling for the Laplace problem using a discontinuous Galerkin method

Hélène Barucq , Théophile Chaumont-Frelet , Julien Diaz , Victor Péron

Journal of Computational and Applied Mathematics, 2012, ⟨10.1016/j.cam.2012.05.025⟩

Article dans une revue hal-00757098v1

Performance Analysis of a High-Order Discontinuous Galerkin Method. Application to the Reverse Time Migration

Caroline Baldassari , Hélène Barucq , Henri Calandra , Bertrand Denel , Julien Diaz

Communications in Computational Physics, 2012, 11 (2), pp.660-673. ⟨10.4208/cicp.291209.171210s⟩

Article dans une revue hal-00643334v1

High-Order Schemes Combining the Modified Equation Approach and Discontinuous Galerkin Approximations for the Wave Equation

Cyril Agut , Julien Diaz , Abdelaâziz Ezziani

Communications in Computational Physics, 2012, 11 (2), pp.691-708. ⟨10.4208/cicp.311209.051110s⟩

Article dans une revue hal-00646421v1
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Micro-differential boundary conditions modelling the absorption of acoustic waves by 2D arbitrarily-shaped convex surfaces

Hélène Barucq , Julien Diaz , Véronique Duprat

Communications in Computational Physics, 2012, 11 (2), pp.674-690. ⟨10.4208/cicp.311209.260411s⟩

Article dans une revue hal-00649837v1

Numerical performances of a hybrid local-time stepping strategy applied to the reverse time migration

Caroline Baldassari , Hélène Barucq , Henri Calandra , Julien Diaz

Geophysical Prospecting, 2011, 59 (5), pp.907-919. ⟨10.1111/j.1365-2478.2011.00975.x⟩

Article dans une revue istex hal-00627603v1

Marine Biodiversity in the Atlantic and Pacific Coasts of South America: Knowledge and Gaps

P. Miloslavich , E. Klein , Julien Diaz , C. Hernandez , G. Bigatti et al.

PLoS ONE, 2011, 6 (1), pp.e14631. ⟨10.1371/journal.pone.0014631⟩

Article dans une revue hal-00759125v1

Analytical solution for waves propagation in heterogeneous acoustic/porous media. Part I: the 2D case

Julien Diaz , Abdelaâziz Ezziani

Communications in Computational Physics, 2010, 7 (1), pp.171-194. ⟨10.4208/cicp.2009.08.148⟩

Article dans une revue inria-00404224v1

Stability Analysis of the Interior Penalty Discontinuous Galerkin Method for Solving the Wave Equation Coupled with High-Order Absorbing Boundary Conditions

Hélène Barucq , Julien Diaz , Véronique Duprat

Publicaciones del Seminario Matemático García Galdeano, 2010, 35, pp.49--56

Article dans une revue hal-00867195v1
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New absorbing layers conditions for short water waves

Hélène Barucq , Julien Diaz , Mounir Tlemcani

Journal of Computational Physics, 2010, 229, pp.58-72. ⟨10.1016/j.jcp.2009.08.033⟩

Article dans une revue inria-00418317v1

Sonder l'invisible (du séisme au modèle)

Julien Diaz , Roland Martin

Interstices, 2010

Article dans une revue hal-00748780v1
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Analytical solution for waves propagation in heterogeneous acoustic/porous media. Part II: the 3D case

Julien Diaz , Abdelaâziz Ezziani

Communications in Computational Physics, 2010, 7 (3), pp.445-472. ⟨10.4208/cicp.2009.08.149⟩

Article dans une revue inria-00404228v1
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Energy Conserving Explicit Local Time-Stepping for Second-Order Wave Equations

Julien Diaz , Marcus J. Grote

SIAM Journal on Scientific Computing, 2009, 31 (3), pp.1985-2014. ⟨10.1137/070709414⟩

Article dans une revue inria-00409233v1

Energy-conserving local time stepping based on high-order finite elements for seismic wave propagation across a fluid-solid interface

Ronan Madec , Dimitri Komatitsch , Julien Diaz

Computer Modeling in Engineering and Sciences, 2009, 49 (2), pp.163-189. ⟨10.3970/cmes.2009.049.163⟩

Article dans une revue inria-00436429v1
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A time domain analysis of PML models in acoustics.

Julien Diaz , Patrick Joly

Computer Methods in Applied Mechanics and Engineering, 2006, 195 (29-32), pp.3820-3853. ⟨10.1016/j.cma.2005.02.031⟩

Article dans une revue inria-00410313v1
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Robust high order non-conforming finite element formulation for time domain fluid-structure interaction

Julien Diaz , Patrick Joly

Journal of Computational Acoustics, 2005, 13 (3), pp.403-431. ⟨10.1142/S0218396X05002736⟩

Article dans une revue inria-00409201v1
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AN ANALYSIS OF HIGHER ORDER BOUNDARY CONDITIONS FOR THE WAVE EQUATION

Julien Diaz , Patrick Joly

SIAM Journal on Applied Mathematics, 2005, 65 (5), pp.1547-1575. ⟨10.1137/S0036139903436145⟩

Article dans une revue inria-00409197v1
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On the well-posedness of Pride system for modeling seismo-electric effects wave propagation in conductive porous media

Arjeta Heta , Hélène Barucq , Rabia Djellouli , Julien Diaz

WAVES 2024 - 16th International Conference on Mathematical and Numerical Aspects of Wave Propagation, WAVES 2024, Jun 2024, Berlin, Germany

Communication dans un congrès hal-04902504v1
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On the construction of Shape Functions forSpacetime Trefftz-DG Formulations of Wave Problems with Perfectly Matched Layers

Vinduja Vasanthan , Hélène Barucq , Henri Calandra , Julien Diaz

WAVES 2022 - 15th International Conference on Mathematical and Numerical Aspects of Wave Propagation, Jul 2022, Palaiseau, France

Communication dans un congrès hal-03883655v1
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Frequency-domain acoustic wave modeling via unstructured isogeometric analysis: performance and pollution study

Hélène Barucq , Henri Calandra , Julien Diaz , Stefano Frambati

ECCOMAS Congress 2022 - The 8th European Congress on Computational Methods in Applied Sciences and Engineering, Jun 2022, Oslo, Norway

Communication dans un congrès hal-03788967v1

Spacetime Trefftz-DG Formulation for Modelling Wave Propagation in Unbounded Domains

Hélène Barucq , Henri Calandra , Julien Diaz , Vinduja Vasanthan

ECCOMAS - The 8th European Congress on Computational Methods in Applied Sciences and Engineering, Jun 2022, Oslo, Norway

Communication dans un congrès hal-03883662v1
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Unstructured Multi-Patch DG-IGA Formulation for Wave Propagation

Hélène Barucq , Henri Calandra , Julien Diaz , Stefano Frambati

WCCM 2020 - 14th World Congress on Computational Mechanics - ECCOMAS Congress 2020, Jan 2021, Paris, France

Communication dans un congrès hal-03520478v1
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Unlocking the power of unstructured Isogeometric Analysis: a unified framework and some applications to wave propagation and elasticity

Hélène Barucq , Henri Calandra , Julien Diaz , Stefano Frambati

IX International Conference on Isogeometric Analysis, Sep 2021, Lyon, France

Communication dans un congrès hal-03520492v1

Unlocking the power of unstructured Isogeometric Analysis: some recent mathematical advances and a more unified framework for the numerical analysis of PDEs

Stefano Frambati , Hélène Barucq , Henri Calandra , Julien Diaz

Mathias Days 2021 – Applied Mathematics, Scientific Computing, Data Science and Artificial Intelligence – TotalEnergies R&D, Oct 2021, Paris, France

Communication dans un congrès hal-03520504v1
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Seismoelectric effects for geothermal resources assessment and monitoring

Christina Morency , Eric Matzel , Niels Grobbe , Daniel Brito , Clarisse Bordes et al.

IMAGE 2021 - Society of Exploration Geophysicists Annual Meeting and Exposition, Sep 2021, Denver, United States. ⟨10.1190/segam2021-3587371.1⟩

Communication dans un congrès hal-03287783v1
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PML applied to spacetime Trefftz-DG numerical formulation for the acoustic wave equation

Vinduja Vasanthan , Hélène Barucq , Henri Calandra , Julien Diaz

Icosahom 2020 - International Conference on Spectral and High-Order Methods, Jul 2021, Vienna, Austria

Communication dans un congrès hal-03533342v1
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Tomographic imaging of a carbonate core using different ultrasonic seismic sources at the laboratory scale : piezoelectric vs point-like pulsed-laser

Chengyi Shen , Daniel Brito , Julien Diaz , Clarisse Bordes , Jean Virieux et al.

IMAGE 2021 - Society of Exploration Geophysicists Annual Meeting and Exposition, Sep 2021, Denver, United States. pp.3390-3394, ⟨10.1190/segam2021-3583636.1⟩

Communication dans un congrès hal-03287748v1
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Spacetime Trefftz-DG formulation for Wave Propagation using Tent-Pitching Meshes

Vinduja Vasanthan , Hélène Barucq , Henri Calandra , Julien Diaz

Eccomas Congress 2020 & WCCM 2020 - European Congress on Computational Methods in Applied Sciences and Engineering & 14th World Congress in Computational Mechanics, Jan 2021, Paris, France

Communication dans un congrès hal-03533374v1
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PML applied to spacetime Trefftz-DG numerical formulation for the elastic wave equation

Vinduja Vasanthan , Hélène Barucq , Henri Calandra , Julien Diaz

MATHIAS Days, Applied Mathematics, Scientific Computing, Data Science and Artificial Intelligence, TotalEnergies, Oct 2021, Paris, France

Communication dans un congrès hal-03533362v1

Wave-propagation modeling using the distributional finite difference method

Yder Masson , Julien Diaz , Florian Faucher , Sevan Adourian , Barbara Romanowicz et al.

AGU Fall Meeting 2019, Dec 2019, San Francisco, United States

Communication dans un congrès hal-02429725v1
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Time Domain Full Waveform Inversion involving Discontinuous Galerkin approximation

Pierre Jacquet , Andreas Atle , Hélène Barucq , Henri Calandra , Julien Diaz

WAVES 2019 - 14th International Conference on Mathematical and Numerical Aspects of Wave Propagation, Aug 2019, Vienna, Austria

Communication dans un congrès hal-02422856v1
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Space-time Trefftz-DG methods on tent pitching meshes for elastoacoustic wave propagation

Hélène Barucq , Henri Calandra , Julien Diaz , Elvira Shishenina

ICIAM 2019 - International Congress on Industrial and Applied Mathematics, Jul 2019, Valencia, Spain

Communication dans un congrès hal-02361167v1
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Approximation SEM-DG pour les problèmes d'ondes elasto-acoustiques

Hélène Barucq , Henri Calandra , Aurélien Citrain , Julien Diaz , Christian Gout

JOSO 2019 - Journées Ondes Sud-Ouest, Mar 2019, Le Barp, France

Communication dans un congrès hal-02070730v1

Modeling seismic wave propagation through the Earth for imaging localized structures

Yder Masson , Hélène Barucq , Julien Diaz , Barbara Romanowicz , Sevan Adourian

EGU General Assembly 2019, Apr 2019, Vienna, Austria. pp.2019 - 8286

Communication dans un congrès hal-02429713v1
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High-order DG-SE approximations of elastodynamic wave problems with stable Perfectly Matched Layers

Hélène Barucq , Henri Calandra , Aurélien Citrain , Julien Diaz , Christian Gout

MATHIAS Days, Applied Mathematics, Scientific Computing, Data Science and Artificial Intelligence, Oct 2019, Serris, France

Communication dans un congrès hal-02425960v1
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Numerical Scheme Impacts on Time Domain Full Waveform Inversion

Pierre Jacquet , Andreas Atle , Hélène Barucq , Henri Calandra , Julien Diaz

MATHIAS Days, Applied Mathematics, Scientific Computing, Data Science and Artificial Intelligence, Oct 2019, Serris, France

Communication dans un congrès hal-02422842v1
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High order discretization of seismic waves-problems based upon DG-SE methods

Hélène Barucq , Henri Calandra , Aurélien Citrain , Julien Diaz , Christian Gout

WAVES 2019 - 14th International Conference on Mathematical and Numerical Aspects of Wave Propagation, Aug 2019, Vienne, Austria

Communication dans un congrès hal-02277988v1
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On the finite element solution of helmholtz problems in anisotropic media

Hélène Barucq , Abderrahmane Bendali , Julien Diaz , Sébastien Tordeux

Journées Ondes Sud-Ouest (JOSO), Mar 2019, Le Barp, France

Communication dans un congrès hal-02138982v1

Hybrid space discretization to solve elasto-acoustic coupling

Hélène Barucq , Henri Calandra , Aurélien Citrain , Julien Diaz , Christian Gout

Fifth international congress on multiphysics, multiscale, and optimization problems, May 2018, Bilbao, Spain

Communication dans un congrès hal-01808793v1
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Full Waveform Inversion Adjoint Studies MATHIAS 2018

Pierre Jacquet , Hélène Barucq , Julien Diaz , Henri Calandra

MATHIAS 2018 - Computational Science Engineering & Data Science by TOTAL, Oct 2018, Serris, France

Communication dans un congrès hal-01907804v1

On the use of a pulsed-laser source in laboratory seismic experiments

Chengyi Shen , Daniel Brito , Julien Diaz , Deyuan Zhang , Clarisse Bordes et al.

AGU Meeting 2018, Dec 2018, Washington, United States

Communication dans un congrès hal-01957131v1
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SEM-DG Approximation for elasto-acoustics

Hélène Barucq , Henri Calandra , Aurélien Citrain , Julien Diaz , Christian Gout

MATHIAS 2018 Computational Science Engineering & Data Science by TOTAL, Oct 2018, Serris, France

Communication dans un congrès hal-01872812v2
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On the coupling of Spectral Element Method with Discontinuous Galerkin approximation for elasto-acoustic problems

Hélène Barucq , Henri Calandra , Aurélien Citrain , Julien Diaz , Christian Gout

13th World Congress of Computational Mecanics, Jul 2018, New-York, United States

Communication dans un congrès hal-01907431v1
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Space-time Trefftz-DG approach for elasto-acoustic wave propagation

Hélène Barucq , Henri Calandra , Julien Diaz , Elvira Shishenina

WCCM 2018 - 13th World Congress on Computational Mechanics, Jul 2018, New-York, United States

Communication dans un congrès hal-01940530v1
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Performances analysis of a Hybridizable discontinuous Galerkin solver for the 3D Helmholtz equations in geophysical context

Marie Bonnasse-Gahot , Henri Calandra , Julien Diaz , Stéphane Lanteri

Third EAGE workshop on High performance computing for Upstream, Oct 2017, Athens, Greece

Communication dans un congrès hal-01677290v1

A Trefftz method whose shape functions are constructed thanks to a high-order DG finite element method

Hélène Barucq , Abderrahmane Bendali , Julien Diaz , Sébastien Tordeux

WAVES 2017 - 13th International Conference on Mathematical and Numerical Aspects of Wave Propagation, May 2017, Minnesota, United States

Communication dans un congrès hal-01691588v1
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Trefftz-DG Approximation for the Elasto-Acoustics

Henri Calandra , Elvira Shishenina , Julien Diaz , Hélène Barucq

WAVES 2017 - 13th International Conference on Mathematical and Numerical Aspects of Wave Propagation, May 2017, Minneapolis, United States

Communication dans un congrès hal-01693111v1
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Trefftz -Discontinuous Galerkin Approach for Solving Elastodynamic Problem

Hélène Barucq , Henri Calandra , Julien Diaz , Elvira Shishenina

ENUMATH 2017 - European Conference on Numerical Mathematics and Advanced Applications, Sep 2017, Voss, Norway

Communication dans un congrès hal-01691617v2
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Hybridizable Discontinuous Galerkin Methods for modelling 3D seismic wave propagation in harmonic domain

Marie Bonnasse-Gahot , Henri Calandra , Julien Diaz , Stephane Lanteri

WAVES 2017 - 13th International Conference on Mathematical and Numerical Aspects of Wave Propagation, May 2017, Minneapolis, United States

Communication dans un congrès hal-01693189v1
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Towards Energy-Efficient Storage Servers

Vinícius Machado , Amanda Braga , Natália Rampon , Jean Bez , Francieli Boito et al.

32nd ACM Symposium on Applied Computing (SAC 2017), Sung Y. Shin, Apr 2017, Marrakesh, Morocco

Communication dans un congrès hal-01519168v1
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Spectral Element Method and Discontinuous Galerkin approximation for elasto-acoustic problems

Hélène Barucq , Henri Calandra , Aurélien Citrain , Julien Diaz , Christian Gout

MATHIAS – TOTAL Symposium on Mathematics, Oct 2017, Paris, France

Communication dans un congrès hal-01690670v1

On the use of a laser ablation as a laboratory seismic source

Chengyi Shen , Daniel Brito , Julien Diaz , Deyuan Zhang , Valier Poydenot et al.

EGU GENERAL ASSEMBLY, Apr 2017, Vienna, Austria. pp.2017 - 13963

Communication dans un congrès hal-01513597v1

Full determination of the characteristics of elastic scatters from some FFP measurements

Izar Azpiroz , Hélène Barucq , Julien Diaz , Rabia Djellouli

WAVES 2017 - 13th International Conference on Mathematical and Numerical Aspects of Wave Propagation, May 2017, Minneapolis, United States. pp.1-84

Communication dans un congrès hal-01694544v1

imaging in laboratory trough laser Doppler vibrometry.

Daniel Brito , Chengyi Shen , Julien Diaz , S. Garambois , Clarisse Bordes

Measuring by Light 2016, Conference and Short-Course on Optical Measurement Techniques for Industrial and Societal Challenges., Decembre 2016, Pretoria, Afrique du Sud, 2016, Pretoria, South Africa

Communication dans un congrès hal-02152117v1
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Resolution strategy for the Hybridizable Discontinuous Galerkin system for solving Helmholtz elastic wave equations

Marie Bonnasse-Gahot , Henri Calandra , Julien Diaz , Stephane Lanteri

Face to face meeting HPC4E Brazilian-European project, Sep 2016, Gramado, Brazil

Communication dans un congrès hal-01400643v1

Handling clusters with a task-based runtime system: application to Geophysics

Lionel Boillot , Corentin Rossignon , George Bosilca , Emmanuel Agullo , Henri Calandra et al.

Rice - Oil & Gas HPC Workshop, Mar 2016, Houston, United States

Communication dans un congrès hal-01303373v1

Shape and material parameter reconstruction of an isotropic or anisotropic solid immersed in a fluid

Izar Azpiroz , Hélène Barucq , Julien Diaz , Rabia Djellouli

Inverse Problems for PDEs, University of Bremen, Germany, Mar 2016, Bremen, Germany

Communication dans un congrès hal-01408981v1
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Trefftz-DG Approximation for the Elasto-Acoustics

Hélène Barucq , Henri Calandra , Julien Diaz , Elvira Shishenina

Workshop de DIP, l’action stratégique INRIA TOTAL, Oct 2016, Houston, United States

Communication dans un congrès hal-01416241v1
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Seismic wave propagation in heterogeneous limestone samples

Chengyi Shen , Daniel Brito , Valier Poydenot , Julien Diaz , Stéphane Garambois et al.

Journées d'Etude des Milieux Poreux, Oct 2016, Anglet, France

Communication dans un congrès hal-01388195v1
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Comparison of solvers performance when solving the 3D Helmholtz elastic wave equations using the Hybridizable Discontinuous Galerkin method

Marie Bonnasse-Gahot , Henri Calandra , Julien Diaz , Stephane Lanteri

Workshop DIP - Depth Imaging Partnership, Oct 2016, Houston, United States

Communication dans un congrès hal-01400656v1

Absorbing Boundary Conditions for 3D Elastic TTI Modeling, Application to Time-Based and Time-Harmonic Simulations

Lionel Boillot , Hélène Barucq , Julien Diaz , Henri Calandra

EAGE Saint Petersburg International Conference & Exhibition, Apr 2016, Saint Petersburg, Russia

Communication dans un congrès hal-01303391v1

Seismic imaging in laboratory trough laser Doppler vibrometry

Daniel Brito , Valier Poydenot , Stéphane Garambois , Julien Diaz , Clarisse Bordes et al.

European Geosciences Union General Assembly 2016, Apr 2016, Vienne, Austria

Communication dans un congrès hal-01313013v1

Equivalent absorbing boundary conditions for heterogeneous acoustic media

Manuela Castro , Julien Diaz , Victor Péron

ICOSAHOM 2016 - International Conference on Spectral and High-Order Methods, Jun 2016, Rio de Janeiro, Brazil. pp.301-310, ⟨10.1590/S2179-84512014000300007⟩

Communication dans un congrès hal-01691552v1
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Comparison of solvers performance when solving the 3D Helmholtz elastic wave equations over the Hybridizable Discontinuous Galerkin method

Marie Bonnasse-Gahot , Henri Calandra , Julien Diaz , Stephane Lanteri

MATHIAS – TOTAL Symposium on Mathematics, Oct 2016, Paris, France

Communication dans un congrès hal-01400663v1

Performance Assessment on Hybridizable Dg Approximations for the Elastic Wave Equation in Frequency Domain

Marie Bonnasse-Gahot , Henri Calandra , Julien Diaz , Stéphane Lanteri

SIAM Conference on Mathematical and Computational Issues in the Geosciences, Jun 2015, Stanford, United States

Communication dans un congrès hal-01184111v1

Portable task-based programming for seismic wave propagation simulation in time domain

Emmanuel Agullo , Hélène Barucq , Lionel Boillot , George Bosilca , Henri Calandra et al.

HOSCAR – 5th Brazil-French workshop on High performance cOmputing and SCientific dAta management dRiven by highly demanding applications (INRIA-CNPq), Sep 2015, Sophia Antipolis, France

Communication dans un congrès hal-01208461v1

Modelling of seismic waves propagation in harmonic domain by hybridizable discontinuous Galerkin method (HDG)

Marie Bonnasse-Gahot , Henri Calandra , Julien Diaz , Stéphane Lanteri

Workshop GEAGAM, May 2015, Pau, France

Communication dans un congrès hal-01207906v1
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Performance assessments of absorbing conditions for the reverse time-harmonic migration

Hélène Barucq , Morgane Bergot , Juliette Chabassier , Julien Diaz

PANACM 2015 - 1st Pan-American Congress on Computational Mechanic, Apr 2015, Buenos Aires, Argentina. pp.1-8

Communication dans un congrès hal-01184102v1

High-order Discontinuous Galerkin approximations for elasto-acoustic scattering problems

Hélène Barucq , Julien Diaz , Rabia Djellouli , Elodie Estecahandy

XXIV Congress on Differential Equations and Applications / XIV Congress on Applied Mathematics (XXIV CEDYA / XIV CMA), Jun 2015, Cadiz, Spain

Communication dans un congrès hal-01184107v1

Performance comparison between hybridizable DG and classical DG methods for elastic waves simulation in harmonic domain

Marie Bonnasse-Gahot , Henri Calandra , Julien Diaz , Stephane Lanteri

Workshop Oil & Gas Rice 2015, Mar 2015, Houston, Texas, United States

Communication dans un congrès hal-01207886v1
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Equivalent Robin Boundary Conditions for Acoustic and Elastic Media

Julien Diaz , Victor Péron

First Inria-Mexico Workshop in Applied Mathematics and Computer Science, Jun 2015, Mexico City, Mexico

Communication dans un congrès hal-01254193v1

Modeling of elastic Helmholtz equations by hybridizable discontinuous Galerkin method (HDG) for geophysical applications

Marie Bonnasse-Gahot , Henri Calandra , Julien Diaz , Stéphane Lanteri

5th workshop France-Brazil HOSCAR, Sep 2015, Nice, France

Communication dans un congrès hal-01207897v1

Discontinuous Galerkin Approximations for Seismic Wave Propagation in a HPC Framework

Hélène Barucq , Lionel Boillot , Marie Bonnasse-Gahot , Henri Calandra , Julien Diaz et al.

Platform for Advanced Scientific Computing Conference (PASC 15), Jun 2015, Zurich, Switzerland

Communication dans un congrès hal-01184106v1

A non-dispersive discontinuous Galerkin method for the simulation of acoustic scattering in complex media.

Hélène Barucq , Abderrahmane Bendali , Julien Diaz , M'Barek Fares , Vanessa Mattesi et al.

Fall 2015 - 170th Meeting Acoustical Society of America, Nov 2015, Jacksonville, United States. ⟨10.1121/1.4933581⟩

Communication dans un congrès hal-01691619v1

Absorbing Boundary Conditions for 3D elastic TTI modeling

Lionel Boillot , Hélène Barucq , Julien Diaz , Henri Calandra

SEG - Society of Exploration Geophysicists, Oct 2015, Nouvelle-Orléans, United States. pp.535-540, ⟨10.1190/segam2015-5910360.1⟩

Communication dans un congrès hal-01223344v1

Absorbing Boundary Conditions for 3D Tilted Transverse Isotropic media

Hélène Barucq , Lionel Boillot , Henri Calandra , Julien Diaz

First Pan-American Congress on Computational Mechanic (PANACM 2015), Apr 2015, Buenos Aires, Argentina

Communication dans un congrès hal-01184104v1

Stable TTI Acousto-Elastic simulations

Lionel Boillot , Hélène Barucq , Julien Diaz , Henri Calandra

Workshop DIP - Depth Imaging Partnership (INRIA-TOTAL), Jun 2015, Pau, France

Communication dans un congrès hal-01188522v1

Portable task-based programming for elastodynamics

Lionel Boillot , Emmanuel Agullo , George Bosilca , Henri Calandra , Hélène Barucq et al.

Rice - Oil & Gas HPC Workshop, Mar 2015, Houston, United States

Communication dans un congrès hal-01128750v1

Optimized wave propagation for geophysics

Lionel Boillot , Hélène Barucq , Julien Diaz , Henri Calandra

Journée scientifique du MCIA (Mésocentre de Calcul Intensif Aquitain), Feb 2014, Pau, France

Communication dans un congrès hal-01057582v1

Imaging of complex media with elastic wave equations

Hélène Barucq , Henri Calandra , Julien Diaz , Jérôme Luquel

2014 eccomas, Jul 2014, barcelone, Spain

Communication dans un congrès hal-01096616v1

Performance analysis of DG and HDG methods for the simulation of seismic wave propagation in harmonic domain

M Bonnasse-Gahot , Henri Calandra , Julien Diaz , S Lanteri

Second Russian-French Workshop "Computational Geophysics", Sep 2014, Berdsk, Russia

Communication dans un congrès hal-01096392v1

Discontinuous Galerkin methods for solving Helmholtz elastic wave equations for seismic imaging

M Bonnasse-Gahot , Henri Calandra , Julien Diaz , S Lanteri

WCCM XI - ECCM V - ECFD VI - Barcelona 2014, Jul 2014, Barcelone, Spain

Communication dans un congrès hal-01096324v1

Arbitrary High Order Time Scheme for Wave Equation

Hélène Barucq , Henri Calandra , Julien Diaz , Florent Ventimiglia

The 10th AIMS Conference on Dynamical Systems, Differential Equations and Applications, Jul 2014, Madrid, Spain

Communication dans un congrès hal-01111091v1

Hybridizable Discontinuous Galerkin method for solving Helmholtz elastic wave equations

M Bonnasse-Gahot , Henri Calandra , Julien Diaz , S Lanteri

EAGE Workshop on High Performance Computing for Upstream, Sep 2014, Chania, Greece

Communication dans un congrès hal-01096385v1

Absorbing Boundary Conditions for Tilted Transverse Isotropic elastic media

Lionel Boillot , Hélène Barucq , Julien Diaz , Henri Calandra

ECCOMAS, WCCM XI - ECCM V - ECFD VI, Jul 2014, Barcelona, Spain

Communication dans un congrès hal-01057581v1

(Portable) Task-based programming model for elastodynamics

Lionel Boillot , Hélène Barucq , Henri Calandra , Julien Diaz

EAGE workshop on HPC for Upstream, Sep 2014, Chania, Greece. pp.1-4, ⟨10.3997/2214-4609.20141922⟩

Communication dans un congrès hal-01070015v1

High-Order Time Discretization Of The Wave Equation By Nabla-P Scheme

Hélène Barucq , Julien Diaz , Florent Ventimiglia , Henri Calandra

SMAI 2013, May 2013, Seignosse, France. pp.ESAIM: PROCEEDINGS

Communication dans un congrès hal-00924030v1

A discontinuous Galerkin method whose shape functions are constructed thanks to an integral equation formulation

Hélène Barucq , Abderrahmane Bendali , Julien Diaz , M'Barek Fares , Sébastien Tordeux

CG 2014 - Second Russian – French Workshop “Computational Geophysics”, Sep 2014, Berdsk, Russia

Communication dans un congrès hal-01691657v1

High order schemes for the first order formulation of the wave equation. Application to seismic imaging.

Hélène Barucq , Henri Calandra , Julien Diaz , Florent Ventimiglia

Journées Ondes du Sud-Ouest, Feb 2014, Toulouse, France

Communication dans un congrès hal-01111082v1
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Thin Layer Models for Geophysical Applications

Julien Diaz , Victor Péron

Second Russian-French Conference on Computational Geophysics, Sep 2014, Novosibirsk, Russia

Communication dans un congrès hal-03172030v1

Numerical schemes for the simulation of seismic wave propagation in frequency domain

M Bonnasse-Gahot , Henri Calandra , Julien Diaz , S Lanteri

Réunion des Sciences de la Terre 2014, Oct 2014, Pau, France

Communication dans un congrès hal-01096390v1

Perfectly Matched Layers for linearized and non linear Shallow Water equation

Hélène Barucq , Julien Diaz , Mounir Tlemcani

WAVES 13 : 11th International Conference on Mathematical and Numerical Aspects of Waves, ENIT Lamsin, Jun 2013, Gammarth, Tunisia. pp.297-298

Communication dans un congrès hal-00923939v1
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Equivalent Conditions for Elasto-Acoustics

Julien Diaz , Victor Péron

Waves 2013 - 11th International Conference on Mathematical and Numerical Aspects of Waves, Jun 2013, Gammarth, Tunisia. pp.345-346

Communication dans un congrès hal-00842571v1

Méthodes d'ordre élevé pour l'imagerie sismique mathématique

Hélène Barucq , Henri Calandra , Julien Diaz , Florent Ventimiglia

Haute Fréquence, Mar 2013, Nancy, France

Communication dans un congrès hal-00925578v1

Optimized propagators for elastic waves with anisotropy Part 1: Applied Mathematics Part 2: High-Performance Computing

Lionel Boillot , Emmanuel Agullo , Hélène Barucq , George Bosilca , Henri Calandra et al.

XSEDE -- International Summer School on HPC Challenges in Computational Sciences (PRACE workshop), Jun 2013, New York, United States

Communication dans un congrès hal-00868169v1

Local Basis Set Optimization to Efficiently Solve Helmholtz Problems

Mohamed Amara , Sharang Chaudry , Julien Diaz , Rabia Djellouli , Steven Fiedler

WAVES 13 : 11th International Conference on Mathematical and Numerical Aspects of Waves, ENIT Lamsin, Jun 2013, Gammarth, Tunisia. pp.355-356

Communication dans un congrès hal-00927044v1

Performance assesment of a fractional radiation boundary condition for the Helmholtz equation

Hélène Barucq , Chokri Bekkey , Julien Diaz

WAVES 13 : 11th International Conference on Mathematical and Numerical Aspects of Waves, ENIT Lamsin, Jun 2013, Gammarth, Tunisia. pp.291-292

Communication dans un congrès hal-00923995v1
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High Order Time Discretization Of The Wave Equation By Nabla-P Scheme. Application to the Reverse Time Migration

Hélène Barucq , Henri Calandra , Julien Diaz , Florent Ventimiglia

WAVES 2013, Jun 2013, Gammarth, Tunisia

Communication dans un congrès hal-00924172v1

High-Order Time Scheme Of The Wave Equation Using Nabla-P Scheme

Hélène Barucq , Julien Diaz , Florent Ventimiglia , Henri Calandra

Mathias 2013, Oct 2013, Paris, France

Communication dans un congrès hal-00924013v1

Mesh Free Frontier-based Formulation for Helmholtz Problems

Mohamed Amara , Julien Diaz , Rabia Djellouli

Congrès de Mathématiques Appliquées en l'honneur de Mohamed Amara, Laboratoire d'EDP Non Linéaires, ENS-Kouba, Sep 2013, Alger, Algeria

Communication dans un congrès hal-00924026v1

Equivalent source modelling of small heterogeneities in the context of 3D time-domain wave propagation equation

Julien Diaz , Vanessa Mattesi , Sébastien Tordeux

TAMTAM 2013, Sixième colloque sur les Tendances dans les Applications Mathématiques en Tunisie, Algérie, Maroc, Apr 2013, Alger, Algeria

Communication dans un congrès hal-00925359v1

Absorbing Boundary Conditions for Tilted Transverse Isotropic waves in Reverse Time Migration context

Lionel Boillot , Hélène Barucq , Henri Calandra , Julien Diaz

Waves -- International Conference on Mathematical and Numerical Aspects of Waves, Jun 2013, Gammarth, Tunisia

Communication dans un congrès hal-00868135v1

Mesh Free Frontier-Based Formulation (MF3) for High Frequency Helmholtz Problems

Mohamed Amara , Julien Diaz , Rabia Djellouli

COMPDYN 2013 : 4th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering, Jun 2013, Kos, Greece

Communication dans un congrès hal-00924012v1
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Numerical Analysis of a reduced formulation of an elasto-acoustic scattering problem

Hélène Barucq , Juliette Chabassier , Julien Diaz , Elodie Estecahandy

WAVES 13 : 11th International Conference on Mathematical and Numerical Aspects of Waves, Jun 2013, Gammarth, Tunisia

Communication dans un congrès hal-00873633v1

On the use of high-order schemes for seismic imaging

Hélène Barucq , Henri Calandra , Julien Diaz , Florent Ventimiglia

Valparaíso Numérico IV : Séptimo Encuentro de Análisis Numérico de Ecuaciones Diferenciales Parciales, Pontificia Universidad Católica de Valparaíso, Dec 2013, Valparaiso, Chile

Communication dans un congrès hal-00924039v1

High-Order Explicit Time Scheme for Simulation of Wave Propagation

Hélène Barucq , Henri Calandra , Julien Diaz , Florent Ventimiglia

HOSCAR - 3rd Brazil-French workshop on High performance cOmputing and SCientific dAta management dRiven by highly demanding applications (INRIA-CNPq), Sep 2013, Bordeaux, France

Communication dans un congrès hal-00929904v1

Small heterogeneities in the context of time domain wave equation

Julien Diaz , Vanessa Mattesi , Sébastien Tordeux

Journées Singulières Augmentées, Aug 2013, Rennes, France

Communication dans un congrès hal-00927377v1

Absorbing Boundary Conditions for anisotropic elastodynamic media

Lionel Boillot , Hélène Barucq , Henri Calandra , Julien Diaz

1st Russian-French Conference on Mathematical Geophysics, Mathematical Modeling in Continuum Mechanics and Inverse Problems, Jun 2012, Biarritz, France

Communication dans un congrès hal-00764192v1

Absorbing Boundary Conditions for anisotropic elastodynamic media

Lionel Boillot , Hélène Barucq , Henri Calandra , Julien Diaz

HOSCAR - 1st Brazil-French workshop on High performance cOmputing and SCientific dAta management dRiven by highly demanding applications (INRIA-CNPq), Jul 2012, Sophia Antipolis, France

Communication dans un congrès hal-00764196v1

Optimized propagators for elastic waves in anisotropic (TTI) media Part 1: Absorbing Boundary Conditions (ABC)

Lionel Boillot , Hélène Barucq , Henri Calandra , Julien Diaz

MATHIAS - TOTAL Symposium on Mathematics, Oct 2012, Paris, France

Communication dans un congrès hal-00764202v1

High order time discretization of the wave equation by nabla-p schemes

Hélène Barucq , Julien Diaz , Florent Ventimiglia , Henri Calandra

Aquitanie-Euskadi Workshop on Applied Mathematics (Aquitanie-Euskadi 2012), Oct 2012, Biarritz, France

Communication dans un congrès hal-00764188v1

Absorbing Boundary Conditions for anisotropic elastodynamic media

Lionel Boillot , Hélène Barucq , Henri Calandra , Julien Diaz

ICOSAHOM - International Conference on Spectral and High Order Methods, Jun 2012, Gammarth, Tunisia

Communication dans un congrès hal-00767597v1
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Introduction to the mathematical analysis of the Helmholtz equation : Sommerfeld condition, limiting amplitude principle and limiting absorption principle

Hélène Barucq , Julien Diaz , Sébastien Tordeux

Summer School Jaca 2012, Sep 2012, Jaca, Spain

Communication dans un congrès hal-00927403v1

Parallel optimization of a Discontinuous Galerkin method for seismic imaging simulation. Towards the Intel MIC acceleration.

Lionel Boillot , Hélène Barucq , Henri Calandra , Julien Diaz

HOSCAR - 2nd Brazil-French workshop on High performance cOmputing and SCientific dAta management dRiven by highly demanding applications (INRIA-CNPq), Sep 2012, Petropilis, Brazil

Communication dans un congrès hal-00764200v1

High Order Schemes For The First Order Wave Equation. Application to the Reverse Time Migration

Hélène Barucq , Julien Diaz , Florent Ventimiglia , Henri Calandra

Workshop DIP Total/Inria, Apr 2012, Pau, France

Communication dans un congrès hal-00764207v1
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Absorbing boundary conditions for anisotropic elastodynamic media

Hélène Barucq , Lionel Boillot , Henri Calandra , Julien Diaz

Acoustics 2012, Apr 2012, Nantes, France

Communication dans un congrès hal-00811168v1

High order time scheme for the first order wave equation using nabla-p scheme. Application to the Reverse Time Migration

Hélène Barucq , Julien Diaz , Florent Ventimiglia , Henri Calandra

Symposium MATHIAS 2012, TOTAL SA, Oct 2012, Paris, France

Communication dans un congrès hal-00764222v1

High Order Schemes and Local Time Stepping for Solving Elastodynamic Wave Equation in Strongly Heterogeneous Media.

Hélène Barucq , Julien Diaz , Henri Calandra , Florent Ventimiglia

First Russian-French Conference on Mathematical Geophysics, Mathematical Modeling in Continuum Mechanics and Inverse Problems, Jun 2012, Biarritz, France

Communication dans un congrès hal-00764181v1

Stability analysis of the Interior Penalty Discontinuous Galerkin method for the wave equation

Cyril Agut , Julien Diaz

Conference on Frontiers in Applied and Computational Mathematics, May 2012, Newark, United States

Communication dans un congrès hal-00748782v1

Absorbing Boundary Conditions for anisotropic elastodynamic media

Lionel Boillot , Hélène Barucq , Julien Diaz , Henri Calandra

Workshop DIP - Depth Imaging Partnership (INRIA-TOTAL), Apr 2012, Pau, France

Communication dans un congrès hal-00764186v1

Optimized propagators for elastic waves in anisotropic (TTI) media Part 1: Absorbing Boundary Conditions (ABC)

Lionel Boillot , Hélène Barucq , Henri Calandra , Julien Diaz

Aquitaine-Euskadi Workshop on Applied Mathematics (INRIA-BCAM), Oct 2012, Biarritz, France

Communication dans un congrès hal-00764206v1

Efficient solution methodology based on a local wave tracking strategy for high-frequency Helmholtz problems

Mohamed Amara , Sharang Chaudhry , Julien Diaz , Rabia Djellouli , Steven Fiedler

6th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS 2012), Oct 2012, Vienna, Austria

Communication dans un congrès hal-00765537v1

Explicit hp-Adaptive Time Scheme for the Wave Equation

Caroline Baldassari , Hélène Barucq , Julien Diaz

Domain Decomposition (DD20), Feb 2011, San Diego, United States

Communication dans un congrès hal-00660048v1

Stability analysis of the interior penalty discontinuous Galerkin method for the wave equation

Cyril Agut , Julien Diaz

10th International Conference on Mathematical and Numerical Aspects of Wave Propagation (Waves 2011), Jul 2011, Vancouver, Canada

Communication dans un congrès hal-00768544v1

Enriched Absorbing Boundary Conditions for Acoustic Waves

Hélène Barucq , Julien Diaz , Véronique Duprat

Conference on Frontiers in Applied and Computational Mathematics, Jun 2011, Newark, United States

Communication dans un congrès hal-00768550v1

Hybrid local-time stepping strategy for the Reverse Time Migration

Caroline Baldassari , Hélène Barucq , Henri Calandra , Julien Diaz , Florent Ventimiglia

10th International Conference on Mathematical and Numerical Aspects of Wave Propagation (Waves 2011), Jul 2011, Vancouver, Canada

Communication dans un congrès hal-00768541v1

Complete factorization of the wave equation for the construction of absorbing boundary conditions involving a fractional derivative

Hélène Barucq , Julien Diaz , Véronique Duprat

10th International Conference on Mathematical and Numerical Aspects of Wave Propagation (Waves 2011), Jul 2011, Vancouver, Canada

Communication dans un congrès hal-00768539v1

A new modified equation approach for high-order space and time discretizations of the wave equation

Cyril Agut , Julien Diaz , Abdelaâziz Ezziani

Third Chilean Workshop on Numerical Analysis of Partial Differential Equations (WONAPDE 2010), Jan 2010, Concepcion, Chile

Communication dans un congrès inria-00508590v1

High Order Absorbing Boundary Conditions for solving the Wave Equation by Discontinuous Galerkin Methods

Hélène Barucq , Julien Diaz , Véronique Duprat

Proceedings of the Tenth International Conference Zaragoza-Pau on Applied Mathematics and Statistics, 2008, Jaca, Spain

Communication dans un congrès inria-00508630v1

High-Order Schemes with Local Time Stepping for Solving the Wave Equation in a Reverse Time Migration Algorithm

Caroline Baldassari , Hélène Barucq , Julien Diaz

2010 ISFMA Symposium & Shanghai Summer School on Maxwell' equations: Theoretical and Numerical Issues with Applications, Jul 2010, Shanghaï, China

Communication dans un congrès inria-00508634v1

High-order discretizations for the wave equation based on the modified equation technique

Cyril Agut , Julien Diaz

XIV Spanish-French Jacques-Louis Lions School, Sep 2010, A Coruna, Spain

Communication dans un congrès inria-00527136v1

Une nouvelle approche de type équation modifiée pour des discrétisations d'ordre élevé en espace et en temps de l'équation des ondes

Cyril Agut , Julien Diaz

CANUM 2010, 40e Congrès National d'Analyse Numérique, May 2010, Carcans-Maubuisson, France

Communication dans un congrès inria-00527133v1

Enriched absorbing boundary conditions for the acoustic wave equation involving a fractional derivative

Hélène Barucq , Julien Diaz , Véronique Duprat

Third Chilean Workshop on Numerical Analysis of Partial Differential Equations (WONAPDE 2010), Jan 2010, Concepcion, Chile

Communication dans un congrès inria-00508593v1

A New Modified Equation Approach for solving the Wave Equation

Cyril Agut , Julien Diaz , Abdelaâziz Ezziani

Proceedings of the Tenth International Conference Zaragoza-Pau on Applied Mathematics and Statistics, 2008, Jaca, Spain

Communication dans un congrès inria-00508629v1

Absorbing Boundary Condition Taking into Account the Grazing Modes

Hélène Barucq , Julien Diaz , Véronique Duprat

2010 SIAM Annual Meeting (AN10), Jul 2010, Pittsburgh, United States

Communication dans un congrès inria-00508632v1

Development and optimization of absorbing boundary conditions for acoustic wave problems in complex media

Véronique Duprat , Julien Diaz , Hélène Barucq

XIV Jacques-Louis Lions Spanish-French school on numerical simulation in physics and engineering, Sep 2010, A Coruna, Spain

Communication dans un congrès inria-00527250v1

An hp-adaptive energy conserving time scheme for the wave equation.

Caroline Baldassari , Hélène Barucq , Julien Diaz

Third Chilean Workshop on Numerical Analysis of Partial Differential Equations, WONAPDE 2010, Jan 2010, Concepcion, Chile

Communication dans un congrès inria-00508541v1
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Approximate boundary conditions based on a complete transparent condition for the acoustic wave equation

Hélène Barucq , Julien Diaz , Véronique Duprat

10ème Congrès Français d'Acoustique, Apr 2010, Lyon, France

Communication dans un congrès hal-00554446v1

Factorisation complète de l'équation des ondes pour la construction de conditions aux limites absorbantes

Véronique Duprat , Julien Diaz , Hélène Barucq

CANUM 2010, 40e Congrès National d'Analyse Numérique, May 2010, Carcans Maubuisson, France

Communication dans un congrès inria-00527161v1

Schémas d'ordre élevé à pas de temps local pour la résolution de l'équation des ondes

Caroline Baldassari , Hélène Barucq , Julien Diaz

Séminaire du Groupe de Modélisation Mathématiques Mécanique et Numérique (GM3N), Oct 2010, Caen, France

Communication dans un congrès inria-00529641v1

Méthodes numériques pour l'imagerie sismique

Caroline Baldassari , Hélène Barucq , Henri Calandra , Julien Diaz

Congrès d'Analyse NUMérique, May 2010, Carcans-Maubuisson, France

Communication dans un congrès inria-00527419v1
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High-order discretizations for the wave equation based on the modified equation technique

Cyril Agut , Julien Diaz , Abdelaâziz Ezziani

10ème Congrès Français d'Acoustique, Apr 2010, Lyon, France

Communication dans un congrès hal-00554448v1

Using the Interior Penalty Discontinuous Galerkin method for the Reverse Time Migration

Caroline Baldassari , Hélène Barucq , Henri Calandra , Bertrand Denel , Julien Diaz

The 9th International Conference on Mathematical and Numerical Aspects of Waves Propagation (WAVES 2009), Jun 2009, Pau, France

Communication dans un congrès inria-00508565v1

Stable Perfectly Matched Layer for Short Water Waves

Hélène Barucq , Julien Diaz , Mounir Tlemcani

The 9th International Conference on Mathematical and Numerical Aspects of Waves Propagation (WAVES 2009), Jun 2009, Pau, France

Communication dans un congrès inria-00508571v1

Numerical Simulation of Wave Propagation applied to seismic Imaging

Caroline Baldassari , Hélène Barucq , Henri Calandra , Julien Diaz

1er colloque Franco-Tunisien de Mathématiques SMF/SMT, Mar 2009, Djerba, Tunisia

Communication dans un congrès inria-00527240v1

Fast high-order method for solving the acoustic wave equation in heterogeneous media

Cyril Agut , Julien Diaz , Abdelaâziz Ezziani

ICTCA 2009, Sep 2009, Dresden, Germany

Communication dans un congrès inria-00508626v1

IPDG formulation of the acoustic wave equation incorporating absorbing boundary conditions

Hélène Barucq , Julien Diaz , Véronique Duprat

The 9th International Conference on Mathematical and Numerical Aspects of Waves Propagation (WAVES 2009), Jun 2009, Pau, France

Communication dans un congrès inria-00508598v1

New absorbing boundary conditions for the acoustic wave equation approximated by an IPDG formulation

Hélène Barucq , Julien Diaz , Véronique Duprat

ICTCA 2009, Sep 2009, Dresden, Germany

Communication dans un congrès inria-00508603v1

High-order method in space and time for solving the wave equation

Cyril Agut , Julien Diaz , Abdelaâziz Ezziani

The 9th International Conference on Mathematical and Numerical Aspects of Waves Propagation (WAVES 2009), Jun 2009, Pau, France

Communication dans un congrès inria-00508583v1

The Reverse Time Migration technique coupled with interior Penalty Discontinuous Galerkin Method

Caroline Baldassari , Hélène Barucq , Henri Calandra , Bertrand Denel , Julien Diaz

Annual meeting of the European Geophysical Union (EGU 09), Apr 2009, Vienna, Austria

Communication dans un congrès inria-00508586v1

Fast High-Order Method for Solving the Transient Wave Equation,

Cyril Agut , Julien Diaz , Abdelaâziz Ezziani

International Conference on Spectral and High Order Methods, (ICOSAHOM09), Jun 2009, Trondheim, Norway

Communication dans un congrès inria-00508582v1

Comparison of the Performance of Spectral Finite Elements and Interior Penalty Discontinous Galerkin Methods for the Reverse Time Migration

Caroline Baldassari , Hélène Barucq , Henri Calandra , Bertrand Denel , Julien Diaz

International Conference on Spectral and High Order Methods (ICOSAHOM09), Jun 2009, Trondheim, Norway

Communication dans un congrès inria-00508579v1

High-order Discontinuous Galerkin Methods for the Reverse Time Migration

Caroline Baldassari , Hélène Barucq , Henri Calandra , Bertrand Denel , Julien Diaz

The 5th. European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS 2008), Jun 2008, Venice, Italy

Communication dans un congrès inria-00508600v1
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Application of Cagniard de Hoop Method to the Analysis of Perfectly Matched Layers

Julien Diaz , Patrick Joly

3rd IFAC Workshop on Fractional Differentiation and its Applications, Nov 2008, Ankara, Turkey

Communication dans un congrès inria-00343016v1

Analysis of the performance of the Interior Penality Discontinuous Galerkin method

Caroline Baldassari , Hélène Barucq , Henri Calandra , Bertrand Denel , Julien Diaz

Journée en l'honneur de Gene Golub, CERFACS, Feb 2008, Toulouse, France

Communication dans un congrès inria-00527278v1

The reverse time migration technique coupled with finite element methods

Caroline Baldassari , Hélène Barucq , Henri Calandra , Bertrand Denel , Julien Diaz

5èmes journées du GDR Etude de la propagation ultrasononore en vue du contrôle non-destructif, Jun 2008, Anglet, France

Communication dans un congrès inria-00343542v1

Energy conserving explicit local time stepping for second-order wave equations.

Julien Diaz , Marcus J. Grote

The 8th International Conference on Mathematical and Numerical Aspects of Waves Propagation (WAVES 2007), Jul 2007, Reading, United Kingdom

Communication dans un congrès inria-00508573v1

Explicit local time stepping for second-order wave equations

Julien Diaz , Marcus J. Grote

International Conference on SCIentific Computation And Differential Equations, SCICADE 2007, July 9 - 13, 2007, Saint-Malo, France, Jul 2007, Saint-Malo, France

Communication dans un congrès inria-00508577v1
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Modeling of seismoelectric effects in the low frequency regime for field survey applications, American Geophysical Union/Advancing Earth And Space Sciences

Arjeta Heta , Hélène Barucq , Julien Diaz , Christina Morency

AGU 2023 - American Geophysical Union / Advancing Earth And Space Sciences, Dec 2023, San Francisco (CA), United States. 2023

Poster de conférence hal-04394440v1
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Approximate Coupling Terms In Seismoelectric Theory: From Frequency Domain To Time Domain

Arjeta Heta , Hélène Barucq , Julien Diaz

AGU22 - AGU Fall Meeting 2022, Dec 2022, Chicago (Illinois), US, United States.

Poster de conférence hal-03948879v1
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Time-Domain Full Waveform Inversion based on high order discontinuous numerical schemes

Andreas Atle , Hélène Barucq , Henri Calandra , Julien Diaz , Pierre Jacquet

AGU Fall meeting 2019, Dec 2019, San Francisco, United States

Poster de conférence hal-02422862v1
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On the use of a pulsed-laser source in laboratory seismic experiments

Chengyi Shen , Daniel Brito , Julien Diaz , Deyuan Zhang , Clarisse Bordes et al.

AGU meeting 2018, Dec 2018, Washington, United States

Poster de conférence hal-01957147v1
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High resolution spatial and temporal laboratory seismic datasets by Laser Doppler Vibrometry

Chengyi Shen , Daniel Brito , Julien Diaz , Deyuan Zhang , Jochen Schell et al.

AGU Fall Meeting, Dec 2018, Washington, United States

Poster de conférence hal-01972134v1
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Imaging of complex media with elastic wave equations

Jérôme Luquel , Hélène Barucq , Julien Diaz , Henri Calandra

SIAM Conference on IMAGING SCIENCE, May 2014, Hong Kong, China. 2014

Poster de conférence hal-01096620v1
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Performance comparison of HDG and classical DG method for the simulation of seismic wave propagation in harmonic domain

Marie Bonnasse-Gahot , Stéphane Lanteri , Julien Diaz , Henri Calandra

Journées Total-Mathias 2014, Oct 2014, Paris, France

Poster de conférence hal-01096318v1
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Absorbing Boundary Conditions for anisotropic elastic waves

Lionel Boillot , Hélène Barucq , Julien Diaz , Henri Calandra

SMAI - Congrès, 6e Biennale Française de la Société de Mathématiques Appliquées et Industrielles, 2013, Seignosse, France

Poster de conférence hal-01133055v1
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Polynomial Space-Time Trefftz-DG Method for Elasto-Acoustics

Hélène Barucq , Henri Calandra , Julien Diaz , Elvira Shishenina

MATHIAS 2018, Oct 2018, Serris, France

Document associé à des manifestations scientifiques hal-01907784v1
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Discontinuous Galerkin methods for solving Helmholtz isotropic wave equations for seismic applications

Marie Bonnasse-Gahot , Stephane Lanteri , Julien Diaz , Henri Calandra

HOSCAR - 3rd Brazil-French workshop on High performance cOmputing and SCientific dAta management dRiven by highly demanding applications (INRIA-CNPq), Sep 2013, Bordeaux, France. 2013

Document associé à des manifestations scientifiques hal-00929971v1

Travail dans la recherche et outils numériques

Julien Diaz , Christine Eisenbeis , Boris Gralak

Quelle nouvelle organisation du travail dans la recherche publique ? Vie de la recherche scientifique (VRS), numéro 430, 2022, pp.18-21

Autre publication scientifique hal-03995720v1

Probing the invisible, from the earthquake to the model

Julien Diaz , Arnaud Langlois , Roland Martin

2010

Autre publication scientifique hal-00904051v1

Logiciels Gar6more2D et Gar6more3D

Julien Diaz , Abdelaâziz Ezziani , N. Le Goff

2010

Autre publication scientifique hal-00868517v1
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Polynomial-reproducing spline spaces from fine zonotopal tilings

Hélène Barucq , Henri Calandra , Julien Diaz , Stefano Frambati

[Research Report] RR-9350, Inria Bordeaux - Sud-Ouest; Total E&P. 2020, pp.30

Rapport (rapport de recherche) hal-02865801v3
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Low-order absorbing boundary condition for two-dimensional isotropic poroelasticity

Hélène Barucq , Julien Diaz , Rose-Cloé Meyer , Ha Pham

[Research Report] RR-9358, Inria. 2020

Rapport (rapport de recherche) hal-02911686v2
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Implementation of HDG method for 2D anisotropic poroelastic first-order harmonic equations

Hélène Barucq , Julien Diaz , Rose-Cloé Meyer , Ha Pham

[Research Report] RR-9326, Inria Bordeaux Sud-Ouest; UPPA (LMA-Pau). 2020

Rapport (rapport de recherche) hal-02486942v1
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Full determination of elastic scatterer characteristics from FFP measurements

Izar Azpiroz , Hélène Barucq , Julien Diaz , Rabia Djellouli

[Research Report] RR-9247, INRIA Bordeaux; California State University at Northridge. 2019, pp.72

Rapport (rapport de recherche) hal-01976990v1
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Analytic solutions and transmission eigenvalues in isotropic poroelasticity for bounded domain, scattering of obstacles and fluid-solid interaction problems in 2D

Hélène Barucq , Julien Diaz , Rose-Cloé Meyer , Ha Pham

[Research Report] RR-9312, INRIA Bordeaux; UPPA (LMA-Pau). 2019

Rapport (rapport de recherche) hal-02408315v1
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Space-Time Trefftz - Discontinuous Galerkin Approximation for Elasto-Acoustics

Hélène Barucq , Henri Calandra , Julien Diaz , Elvira Shishenina

[Research Report] RR-9104, Inria Bordeaux Sud-Ouest; UPPA (LMA-Pau); Total E&P. 2017

Rapport (rapport de recherche) hal-01614126v1
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Polynomial speeds in a Discontinuous Galerkin code

Hélène Barucq , Julien Diaz , Vanessa Mattesi

[Internship report] INRIA Bordeaux. 2015, pp.57

Rapport hal-01176854v2
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Hybridizable Discontinuous Galerkin method for the simulation of the propagation of the elastic wave equations in the frequency domain

Marie Bonnasse-Gahot , Henri Calandra , Julien Diaz , Stéphane Lanteri

[Research Report] RR-8990, INRIA Bordeaux; INRIA Sophia Antipolis - Méditerranée. 2015, pp.46

Rapport (rapport de recherche) hal-01408705v2
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Discontinuous Galerkin methods for the simulation of the propagation of the elastic wave equations in the frequency domain

Marie Bonnasse-Gahot , Henri Calandra , Julien Diaz , Stéphane Lanteri

[Research Report] RR-8989, INRIA Bordeaux; INRIA Sophia Antipolis - Méditerranée. 2015, pp.56

Rapport (rapport de recherche) hal-01408700v2
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A Local Wave Tracking Strategy for Efficiently Solving Mid- and High-Frequency Helmholtz Problems

Mohamed Amara , Sharang Chaudry , Julien Diaz , Rabia Djellouli , Steven Fiedler

[Research Report] RR-8364, INRIA. 2013, pp.47

Rapport (rapport de recherche) hal-00861988v1
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Long-term stable acoustic absorbing boundary conditions for regular-shaped surfaces

Hélène Barucq , Julien Diaz , Véronique Duprat

[Research Report] RR-8203, INRIA. 2013, pp.34

Rapport (rapport de recherche) hal-00776058v1
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Numerical study of the stability of the Interior Penalty Discontinuous Galerkin method for the wave equation with 2D triangulations

Cyril Agut , Jean-Michel Bart , Julien Diaz

[Research Report] RR-7719, INRIA. 2011

Rapport (rapport de recherche) inria-00617817v1
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A new family of second-order absorbing boundary conditions for the acoustic wave equation - Part I: Construction and mathematical analysis

Hélène Barucq , Julien Diaz , Véronique Duprat

[Research Report] RR-7553, INRIA. 2011

Rapport (rapport de recherche) inria-00570301v1
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A new family of second-order absorbing boundary conditions for the acoustic wave equation - Part II : Mathematical and numerical studies of a simplified formulation

Hélène Barucq , Julien Diaz , Véronique Duprat

[Research Report] RR-7575, INRIA. 2011

Rapport (rapport de recherche) inria-00578152v1
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Stability analysis of the Interior Penalty Discontinuous Galerkin method for the wave equation

Cyril Agut , Julien Diaz

[Research Report] RR-7494, INRIA. 2010, pp.34

Rapport (rapport de recherche) inria-00547862v2
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New high order schemes based on the modified equation technique for solving the wave equation

Cyril Agut , Julien Diaz

[Research Report] RR-7331, INRIA. 2010, pp.34

Rapport (rapport de recherche) inria-00497627v1
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Analytical Solution for Wave Propagation in Stratified Poroelastic Medium. Part II: the 3D Case

Julien Diaz , Abdelaâziz Ezziani

[Research Report] RR-6596, INRIA. 2008, pp.40

Rapport (rapport de recherche) inria-00305891v1
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Analytical Solution for Wave Propagation in Stratified Acoustic/Porous Media. Part II: the 3D Case

Julien Diaz , Abdelaâziz Ezziani

[Research Report] RR-6595, INRIA. 2008, pp.31

Rapport (rapport de recherche) inria-00305884v1
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Analytical Solution for Wave Propagation in Stratified Poroelastic Medium. Part I: the 2D Case

Julien Diaz , Abdelaâziz Ezziani

[Research Report] RR-6591, INRIA. 2008, pp.27

Rapport (rapport de recherche) inria-00305395v1
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Analytical Solution for Wave Propagation in Stratified Acoustic/Porous Media. Part I: the 2D Case

Julien Diaz , Abdelaâziz Ezziani

[Research Report] RR-6509, INRIA. 2008, pp.28

Rapport (rapport de recherche) inria-00274136v3
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Energy Conserving Explicit Local Time-Stepping for Second-Order Wave Equations

Julien Diaz , Marcus J. Grote

[Research Report] RR-6377, INRIA. 2007, pp.34

Rapport (rapport de recherche) inria-00193160v2
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Une présentation mathématique de la méthode de Cagniard-de Hoop Partie I En dimension deux

Julien Diaz , Patrick Joly

[Rapport de recherche] RR-5824, INRIA. 2006, pp.89

Rapport (rapport de recherche) inria-00070201v1
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Une présentation mathématique de la méthode de Cagniard-de Hoop Partie II En dimension trois

Julien Diaz , Patrick Joly

[Rapport de recherche] RR-5825, INRIA. 2006, pp.93

Rapport (rapport de recherche) inria-00070200v1
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An Analysis of Higher Order Boundary Conditions for the Wave Equation.

Julien Diaz , Patrick Joly

[Research Report] RR-4962, INRIA. 2003

Rapport (rapport de recherche) inria-00071617v1
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Modelling and advanced simulation of wave propagation phenomena in 3D geophysical media.

Julien Diaz

Analysis of PDEs [math.AP]. Université de Pau et des Pays de l'Adour, 2016

HDR tel-01304349v1