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Boniface Nkonga

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Treatment of polar grid singularities in the bi-cubic Hermite-Bézier approximations: isoparametric finite element framework

Ashish Bhole , Boniface Nkonga , Stanislas Pamela , Guido Huijsmans , Matthias Hoelzl et al.
Journal of Computational Physics, 2022, ⟨10.1016/j.jcp.2022.111611⟩
Journal articles hal-03781896v1

An exact Solution for some Riemann Problems of the shear shallow water model

Boniface Nkonga , Praveen Chandrashekar
ESAIM: Mathematical Modelling and Numerical Analysis, 2022, 56 (4), pp.1115-1150. ⟨10.1051/m2an/2022032⟩
Journal articles hal-03603315v1
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Flux-aligned quad mesh generation in magnetohydrodynamic simulation

Meng Wu , Xuhui Wang , Boniface Nkonga , Bernard Mourrain , Gang Xu et al.
Journal of Computational Physics, 2022, 466, pp.111393. ⟨10.1016/j.jcp.2022.111393⟩
Journal articles hal-03714937v1

Multi-Mesh-Scale Approximation of Thin Geophysical Mass Flows on Complex Topographies

Yih-Chin Tai , Jeaniffer Vides Higueros , Boniface Nkonga , Chih-Yu Kuo
Communications in Computational Physics, 2021, 29 (1), pp.148-185. ⟨10.4208/cicp.OA-2019-0184⟩
Journal articles hal-03625882v1

The JOREK non-linear extended MHD code and applications to large-scale instabilities and their control in magnetically confined fusion plasmas

Matthias Hoelzl , Guido Huijsmans , Stanislas Pamela , Marina Bécoulet , Eric Nardon et al.
Nuclear Fusion, 2021, 61 (6), pp.065001. ⟨10.1088/1741-4326/abf99f⟩
Journal articles hal-03352509v1

Multidimensional approximate Riemann solvers for hyperbolic nonconservative systems. Applications to shallow water systems

Kleiton Schneider , José Gallardo , Dinshaw Balsara , Boniface Nkonga , Carlos Parés et al.
Journal of Computational Physics, 2021, 444, pp.110547. ⟨10.1016/j.jcp.2021.110547⟩
Journal articles hal-03625867v1

Stationary shock-like transition fronts in dispersive systems

Sergey Gavrilyuk , Boniface Nkonga , Keh-Ming Shyue , Lev Truskinovsky
Nonlinearity, 2020, 33 (10), pp.5477-5509. ⟨10.1088/1361-6544/ab95ac⟩
Journal articles hal-03013822v1

A path conservative finite volume method for a shear shallow water model

Praveen Chandrashekar , Boniface Nkonga , Asha Kumari Meena , Ashish Bhole
Journal of Computational Physics, 2020, 413, pp.109457. ⟨10.1016/j.jcp.2020.109457⟩
Journal articles hal-02882241v1

Extended full-MHD simulation of non-linear instabilities in tokamak plasmas

S. Pamela , Ashish Bhole , Guido Huijsmans , Boniface Nkonga , Matthias Hoelzl et al.
Physics of Plasmas, 2020, 27 (10), pp.102510. ⟨10.1063/5.0018208⟩
Journal articles hal-02974031v1

A discontinuous Galerkin method for a two dimensional reduced resistive MHD model

Praveen Chandrashekar , Boniface Nkonga , Ashish Bhole
Computers and Fluids, 2019, ComputersandFluids, 190, pp.178-191. ⟨10.1016/j.compfluid.2019.06.021⟩
Journal articles hal-02267004v1
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Fluctuation splitting Riemann solver for a non-conservative modeling of shear shallow water flow

Ashish Bhole , Boniface Nkonga , Sergey L. Gavrilyuk , Kseniya A Ivanova
Journal of Computational Physics, 2019, Journal of Computational Physics, ⟨10.1016/j.jcp.2019.04.033⟩
Journal articles hal-01877504v1
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Coupling rigid bodies motion with single phase and two-phase compressible flows on unstructured meshes

Quentin Carmouze , François Fraysse , Richard Saurel , Boniface Nkonga
Journal of Computational Physics, 2018, 375, pp.1314-1338. ⟨10.1016/j.jcp.2018.08.023⟩
Journal articles hal-02082701v1
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A new high-order fluid solver for tokamak edge plasma transport simulations based on a magnetic-field independent discretization

G Giorgiani , Thomas Camminady , Hugo Bufferand , Guido Ciraolo , Philippe Ghendrih et al.
Contributions to Plasma Physics, 2018, pp.1-8. ⟨10.1002/ctpp.201700172⟩
Journal articles hal-01657680v1

A stabilized Powell–Sabin finite-element method for the 2D Euler equations in supersonic regime

Giorgio Giorgiani , Hervé Guillard , Boniface Nkonga , Eric Serre
Computer Methods in Applied Mechanics and Engineering, 2018, 340, pp.216-235. ⟨10.1016/j.cma.2018.05.032⟩
Journal articles hal-01865708v1
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Convergence rates with singular parameterizations for solving elliptic boundary value problems in isogeometric analysis

Meng Wu , Yicao Wang , Bernard Mourrain , Boniface Nkonga , Changzheng Cheng et al.
Computer Aided Geometric Design, 2017, 52–53, pp.170-189. ⟨10.1016/j.cagd.2017.02.006⟩
Journal articles hal-01276699v2

Sharpening diffuse interfaces with compressible fluids on unstructured meshes

Alexandre Chiapolino , Richard Saurel , Boniface Nkonga
Journal of Computational Physics, 2017, 340, pp.389-417
Journal articles hal-01589124v1
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Non-linear MHD simulations of QH-mode DIII-D plasmas and implications for ITER high Q scenarios

Liu Feng , Guido T A Huijsmans , Alberto Loarte , Andrea M. Garofalo , Wayne M. M Solomon et al.
Plasma Physics and Controlled Fusion, 2017, pp.1-20
Journal articles hal-01627515v1

Nonlinear MHD study on the influence of ExB flow in QH-mode plasma of DIII-D

Feng Liu , Guido T. A. Huijsmans , Alberto Loarte , Carlos Alberto Garófalo , Boniface Nkonga et al.
Bulletin of the American Physical Society, 2017
Journal articles hal-01616337v1
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H1-parametrizations of complex planar physical domains in Isogeometric analysis

Meng Wu , Bernard Mourrain , André Galligo , Boniface Nkonga
Computer Methods in Applied Mechanics and Engineering, 2017, 318, pp.296-318. ⟨10.1016/j.cma.2017.01.025⟩
Journal articles hal-01196435v3

Multidimensional Riemann problem with self-similar internal structure–Part III–A multidimensional analogue of the HLLI Riemann solver for conservative hyperbolic systems

Dinshaw S Balsara , Boniface Nkonga
Journal of Computational Physics, 2017, 346, pp.25-48
Journal articles hal-01589114v1
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Formation and coarsening of roll-waves in shear shallow water flows down an inclined rectangular channel

Kseniya A Ivanova , Sergey L Gavrilyuk , Boniface Nkonga , Gaël Loïc Richard
Computers and Fluids, 2017, 159, pp.189-203
Journal articles hal-01527469v1
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Hermite type Spline spaces over rectangular meshes with complex topological structures

Meng Wu , Bernard Mourrain , André Galligo , Boniface Nkonga
Communications in Computational Physics, 2017, 21 (3), pp.835-866. ⟨10.4208/cicp.OA-2016-0030⟩
Journal articles hal-01196428v4
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Anisotropic Diffusion in Toroidal geometries

Ahmed Ratnani , B Nkonga , Emmanuel Franck , Alina Eksaeva , Maria Kazakova et al.
ESAIM: Proceedings and Surveys, 2016, ⟨10.1051/proc/201653006⟩
Journal articles hal-01120692v1

A Powell-Sabin finite element scheme for partial differential equations

Giorgio Giorgiani , Hervé Guillard , Boniface Nkonga
ESAIM: Proceedings, 2016, 53, pp.64-76. ⟨10.1051/proc/201653005⟩
Journal articles hal-01377903v1
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A two-dimensional Riemann solver with self-similar sub-structure – Alternative formulation based on least squares projection

Dinshaw S. Balsara , Jeaniffer Vides , Katharine Gurski , Boniface Nkonga , Michael Dumbser et al.
Journal of Computational Physics, 2016, 304, pp.138-161. ⟨10.1016/j.jcp.2015.10.013⟩
Journal articles hal-01254231v1

A Simple Two-Dimensional Extension of the HLL Riemann Solver for Hyperbolic Systems of Conservation Laws

Jeaniffer Vides , Boniface Nkonga , Edouard Audit
Journal of Computational Physics, 2015, 280, pp.643-675. ⟨10.1016/j.jcp.2014.10.013⟩
Journal articles hal-01103529v1
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Self-organized populations interacting under pursuit-evasion dynamics

Thierry Goudon , Boniface Nkonga , Michel Rascle , Magali Ribot
Physica D: Nonlinear Phenomena, 2015, 304-305, pp.41
Journal articles hal-01070626v1
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A Godunov-Type Solver for the Numerical Approximation of Gravitational Flows

Jeaniffer Vides , Benjamin Braconnier , Edouard Audit , Christophe Berthon , Boniface Nkonga et al.
Communications in Computational Physics, 2014, 15 (1), pp.46-75. ⟨10.4208/cicp.060712.210313a⟩
Journal articles hal-00800474v1
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Parallel Kelvin-Helmholtz instability in edge plasma

H Guillard , M Bilanceri , C Colin , Philippe Ghendrih , G Giorgiani et al.
Journal of Physics: Conference Series, 2014, Joint Varenna-Lausanne International Workshop 2014, 561, pp.012009. ⟨10.1088/1742-6596/561/1/012009⟩
Journal articles hal-01100365v1

Towards the direct numerical simulation of nucleate boiling flows

S. Le Martelot , R. Saurel , Boniface Nkonga
International Journal of Multiphase Flow, 2014, 66, pp.62-78. ⟨10.1016/j.ijmultiphaseflow.2014.06.010⟩
Journal articles hal-01313339v1
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Divergence-free MHD simulations with the HERACLES code

Jeaniffer Vides , Edouard Audit , Hervé Guillard , Boniface Nkonga
ESAIM: Proceedings, 2013, 43, pp.180-194. ⟨10.1051/proc/201343012⟩
Journal articles hal-01061303v1

A 3D finite volume scheme for the simulation of edge plasma in Tokamaks

M. Bilanceri , L. Combe , H. Guillard , Boniface Nkonga , A. Sangam et al.
ESAIM: Proceedings, 2013, 43, pp.164-179. ⟨10.1051/proc/201343011⟩
Journal articles hal-01306960v1

A fully coupled RANS Spalart-Allmaras SUPG formulation for turbulent compressible flows on stretched-unstructured grids

Christelle Wervaecke , Héloïse Beaugendre , Boniface Nkonga
Computer Methods in Applied Mechanics and Engineering, 2012, 233-236, pp.109-122. ⟨10.1016/j.cma.2012.04.003⟩
Journal articles hal-00725797v1
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Liquid and liquid-gas flows at all speeds : Reference solutions and numerical schemes

Sebastien Lemartelot , Boniface Nkonga , Richard Saurel
Journal of Computational Physics, 2012, 66, pp.62-78
Journal articles hal-00695799v1

Finite volume method in curvilinear coordinates for hyperbolic conservation laws

Herve Guillard , Audrey Bonnement , Martin Marie , T. Fajraoui , Alexandre Mouton et al.
ESAIM: Proceedings, 2011, 32, pp.163-176
Journal articles hal-00914822v1

A simple stabilized finite element method for solving two phase compressible-incompressible interface flows

Marie Billaud-Friess , G. Gallice , Boniface Nkonga
CMAME, 2011, 200 (9), pp.1272-1290
Journal articles hal-01004944v1

A stabilized finite element method for compressible-incompressible flows

G. Gallice , Marie Billaud-Friess , Boniface Nkonga
Proceeding Enumath, 2010, pp.171-179
Journal articles hal-01004948v1

DRY GRANULAR FLOWS WITH EROSION/DEPOSITION PROCESS

C.Y. Kuo , Boniface Nkonga , Mario Ricchiuto , Y.-C. Tai , Benjamin Braconnier et al.
ESAIM: Proceedings, 2009, 28, pp.136--150. ⟨10.1051/proc/2009043⟩
Journal articles hal-00538830v1
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Multi-scale Godunov-type method for cell-centered discrete Lagrangian hydrodynamics.

P.H. Maire , Boniface Nkonga
Journal of Computational Physics, 2009, Volume 228 (Issue 3, 20 February 2009), pp.Pages 799-821. ⟨10.1016/j.jcp.2008.10.012⟩
Journal articles inria-00290717v1

Multifluid numerical approximations based on multipressure formulation

Christophe Berthon , Boniface Nkonga
Computers and Fluids, 2007, 36 (2), pp.467--479
Journal articles inria-00403694v1
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Numerical model of a compressible multi-fluid fluctuating flow

Christophe Berthon , Boniface Nkonga
International Journal on Finite Volumes, 2005, 2, pp.1-22
Journal articles hal-01115330v1

Multiscale numerical method for nonlinear Maxwell equations

Thierry Colin , Boniface Nkonga
Discrete and Continuous Dynamical Systems - Series B, 2005, 5, pp.631-658
Journal articles hal-00387189v1

On the conservative and accurate CFD approximations for moving meshes and moving boundaries

Boniface Nkonga
Computer Methods in Applied Mechanics and Engineering, 2000, 190, pp.1801-1825
Journal articles hal-01313354v1

Godunov type method on non-structured meshes for three-dimensional moving boundary problems

Boniface Nkonga , Hervé Guillard
Computer Methods in Applied Mechanics and Engineering, 1994, 113 (1-2), pp.183-204
Journal articles hal-00918070v1
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Sediment transport models in Generalized shear shallow water flow equations

Arno Roland Ngatcha Ndengna , Boniface Nkonga , A Njifenjou , R Onguene
CARI 2022 - Colloque Africain sur la Recherche en Informatique et en Mathématiques Appliquées, Oct 2022, Dschang, Cameroon
Conference papers hal-03735893v1
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Modélisation mathématique de l'entrée de l'Homme moderne en Europe

Anna Degioanni , Hervé Guillard , Boniface Nkonga , Silvana Condemi
Journée de restitution 2018 "Défi Infiniti", Oct 2018, Paris, France
Conference papers hal-01959157v1
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High order stabilized finite element method for MHD plasma modeling

J Tarcisio-Costa , Boniface Nkonga
ICOSAHOM 2016 - International Conference On Spectral and High Order Methods, Jun 2016, Rio de Janeiro, Brazil
Conference papers hal-01426950v1
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Shock capturing computations with stabilized Powell-Sabin elements

Giorgio Giorgiani , Hervé Guillard , Boniface Nkonga
ECCOMAS Congress 2016 VII European Congress on Computational Methods in Applied Sciences and Engineering, Jun 2016, Crete, Greece. pp.16
Conference papers hal-01377909v1

A Relaxation Scheme for Inviscid Flows under Gravitational Influence

Jeaniffer Vides , Edouard Audit , Boniface Nkonga
Congrès SMAI 2013, Sep 2014, Seignosse le Penon, France. pp.523-532, ⟨10.1051/proc/201445054⟩
Conference papers hal-01103515v1

Parallel K-H turbulence as a test case for plasma edge fluid modelling

Serre E. , Bigot B. , Colin C. , Paredes A. , Schwander F. et al.
15th European Fusion Theory Conference, Sep 2013, Oxford, United Kingdom
Conference papers hal-01309843v1

Parallel K-H turbulence as a test case for plasma edge fluid modelling

Eric Serre , B. Bigot , Clothilde Colin , A. Paredes , Frédéric Schwander et al.
15th European Fusion Theory Conference, Sep 2013, Oxford, United Kingdom
Conference papers hal-00931693v1

Modèle de type fluide volumes / éléments finis pour la simulation du plasma de bord des tokamaks

Audrey Bonnement , Hervé Guillard , Boniface Nkonga , Richard Pasquetti
CANUM 2012, May 2012, Superbesse, France
Conference papers hal-00870143v1

SUPG Formulation for the 3D Compressible Coupled Navier-Stokes and S-A Equations

Héloïse Beaugendre , Christelle Wervaecke , Boniface Nkonga
ICIAM 2011, Jul 2011, Vancouver, Canada
Conference papers hal-00653242v1

Simulations numériques de phénomènes anisotropes pour la Fusion par Confinement Magnétique

Audrey Bonnement , Hervé Guillard , Boniface Nkonga , Richard Pasquetti
CFM 2011, Aug 2011, Besançon, France. 6 p
Conference papers hal-00875746v1

High order scheme for compressible turbulent flows

Christelle Wervaecke , Héloïse Beaugendre , Boniface Nkonga
The Sixth International Conference on Computational Fluid Dynamics, Jul 2010, St. Petersburg, Russia
Conference papers inria-00551085v1

A Stabilized Finite Element Method for Compressible Turbulent Flows

Christelle Wervaecke , Héloïse Beaugendre , Boniface Nkonga
The Fifth European Conference on Computational Fluid Dynamics ECCOMAS CFD 2010, Jun 2010, Lisbon, Portugal
Conference papers inria-00551090v1

Efficient solution technique for low Mach number compressible multiphase problems

Benjamin Braconnier , Boniface Nkonga , Mickael Papin , Pierre Ramet , Mario Ricchiuto et al.
PMAA'06, 2006, Rennes, France
Conference papers inria-00346608v1

Using of the High Performance Sparse Solver PaStiX for the Complex Multiscale 3D Simulations performed by the FluidBox Fluid Mechanics Software

Pascal Hénon , Boniface Nkonga , Pierre Ramet , Jean Roman
PMAA'04, 2004, Marseille, France
Conference papers inria-00346607v1

Numerical models for fusion

Nicolas Crouseilles , Herve Guillard , Boniface Nkonga , Eric Sonnendrücker
Société Mathématique de France, 39-40, xii-326 p., 2013, Panoramas et synthèses, 978-2-85629-776-6
Books hal-01514920v1

On the Behaviour of Upwind Schemes in the Low Mach Number Limit: A Review

Hervé Guillard , B Nkonga
Rémi Abgrall and Chi-Wang Shu. Handbook of Numerical Analysis, Volume 18, Elsevier, 2017, 9780444639103. ⟨10.1016/bs.hna.2016.09.002⟩
Book sections hal-01534938v1
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Tokamesh : A software for mesh generation in Tokamaks

Herve Guillard , Jalal Lakhlili , Adrien Loseille , Alexis Loyer , Boniface Nkonga et al.
[Research Report] RR-9230, CASTOR. 2018
Reports hal-01948060v1
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A stabilized Powell-Sabin finite-element method for the 2D Euler equations in supersonic regime

Giorgio Giorgiani , Hervé Guillard , Boniface Nkonga , Eric Serre
[Research Report] INRIA Sophia Antipolis - Méditerranée. 2017, pp.1-31
Reports hal-01638140v1
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Final Report of AMoSS : Advanced Modeling on Shear Shallow Flows for Curved Topography : water and granular flows

Boniface Nkonga
[Research Report] INRIA Sophia Antipolis - Méditerranée. 2016
Reports hal-01426859v1
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VMS finite element for MHD and reduced-MHD in Tokamak plasmas

B Nkonga , J Tarcisio-Costa , Jeaniffer Vides
[Research Report] RR-8892, Inria Sophia Antipolis; Université de Nice-Sophia Antipolis. 2016
Reports hal-01294788v1
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A Simple Two-Dimensional Extension of the HLL Riemann Solver for Gas Dynamics

Jeaniffer Vides , Boniface Nkonga , Edouard Audit
[Research Report] RR-8540, INRIA. 2014
Reports hal-00998235v2
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Propositions de méthodes et modèles eulériens pour les problèmes à interfaces entre fluides compressibles en présence de transfert de chaleur

Jacques Massoni , Richard Saurel , Boniface Nkonga , Remi Abgrall
RR-4178, INRIA. 2001
Reports inria-00072444v1
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Godunov type method on non-structured meshes for three-dimensional moving boundary problems

Boniface Nkonga , Hervé Guillard
[Research Report] RR-1883, INRIA. 1993
Reports inria-00074789v1