Boniface Nkonga

Publications

Article dans une revue (50)

On the behavior of two C1 finite elements versus anisotropic diffusion Blaise Faugeras,Hervé Guillard,Boniface Nkonga,Francesca Rapetti International Journal for Numerical Methods in Fluids, 2025, ⟨10.1002/fld.70009⟩ Article dans une revue hal-04703358v2
Finite volume approximations of shear shallow water model on unstructured grids Shashwat Tiwari,Boniface Nkonga,Praveen Chandrashekar,Sergey Gavrilyuk SMAI Journal of Computational Mathematics, 2024, 10, pp.229-261. ⟨10.5802/smai-jcm.112⟩ Article dans une revue hal-04403870v1
The conduit equation : hyperbolic approximation and generalized Riemann problem Sergey Gavrilyuk,Boniface Nkonga,Keh-Ming Shyue Journal of Computational Physics, 2024, 514, pp.113232. ⟨10.1016/j.jcp.2024.113232⟩ Article dans une revue hal-04377682v1
Stabilized bi-cubic Hermite Bézier finite element method with application to Gas-plasma interactions occurring during massive material injection in Tokamaks Ashish Bhole,Boniface Nkonga,José Costa,Guido Huijsmans,Stanislas Pamelaet al. Computers & Mathematics with Applications, 2023, 142, pp.225-256. ⟨10.1016/j.camwa.2023.04.034⟩ Article dans une revue hal-03811224v1
Sediment transport models in Generalized shear shallow water flow equations Arno Roland Ndengna Ngatcha,Boniface Nkonga Applications in Engineering Science, 2023, 15, pp.100148. ⟨10.1016/j.apples.2023.100148⟩ Article dans une revue hal-04403617v1
Coupling finite elements of class C1 on composite curved meshes for second order elliptic problems Ashish Bhole,Hervé Guillard,Boniface Nkonga,Francesca Rapetti International Journal for Numerical Methods in Fluids, 2023, ⟨10.1002/fld.5241⟩ Article dans une revue hal-03913143v1
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 Journal of Computational Physics, 2022, ⟨10.1016/j.jcp.2022.111611⟩ Article dans une revue 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⟩ Article dans une revue hal-03603315v1
Flux-aligned quad mesh generation in magnetohydrodynamic simulation Meng Wu,Xuhui Wang,Boniface Nkonga,Bernard Mourrain,Gang Xuet al. Journal of Computational Physics, 2022, 466, pp.111393. ⟨10.1016/j.jcp.2022.111393⟩ Article dans une revue hal-03714937v1
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 Nardonet al. Nuclear Fusion, 2021, 61 (6), pp.065001. ⟨10.1088/1741-4326/abf99f⟩ Article dans une revue 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 Journal of Computational Physics, 2021, 444, pp.110547. ⟨10.1016/j.jcp.2021.110547⟩ Article dans une revue hal-03625867v1
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⟩ Article dans une revue hal-03625882v1
Extended full-MHD simulation of non-linear instabilities in tokamak plasmas S. Pamela,Ashish Bhole,Guido Huijsmans,Boniface Nkonga,Matthias Hoelzlet al. Physics of Plasmas, 2020, 27 (10), pp.102510. ⟨10.1063/5.0018208⟩ Article dans une revue hal-02974031v1
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⟩ Article dans une revue 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⟩ Article dans une revue hal-02882241v1
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⟩ Article dans une revue hal-02267004v1
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⟩ Article dans une revue hal-01877504v1
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⟩ Article dans une revue hal-01865708v1
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⟩ Article dans une revue hal-02082701v1
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 Ghendrihet al. Contributions to Plasma Physics, 2018, pp.1-8. ⟨10.1002/ctpp.201700172⟩ Article dans une revue hal-01657680v1
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 Article dans une revue hal-01589114v1
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⟩ Article dans une revue hal-01196435v3
Sharpening diffuse interfaces with compressible fluids on unstructured meshes Alexandre Chiapolino,Richard Saurel,Boniface Nkonga Journal of Computational Physics, 2017, 340, pp.389-417 Article dans une revue hal-01589124v1
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 Solomonet al. Plasma Physics and Controlled Fusion, 2017, pp.1-20 Article dans une revue hal-01627515v1
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 Article dans une revue hal-01527469v1
Convergence rates with singular parameterizations for solving elliptic boundary value problems in isogeometric analysis Meng Wu,Yicao Wang,Bernard Mourrain,Boniface Nkonga,Changzheng Cheng Computer Aided Geometric Design, 2017, 52–53, pp.170-189. ⟨10.1016/j.cagd.2017.02.006⟩ Article dans une revue hal-01276699v2
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 Nkongaet al. Bulletin of the American Physical Society, 2017 Article dans une revue hal-01616337v1
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⟩ Article dans une revue hal-01196428v4
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 Dumbseret al. Journal of Computational Physics, 2016, 304, pp.138-161. ⟨10.1016/j.jcp.2015.10.013⟩ Article dans une revue hal-01254231v1
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⟩ Article dans une revue hal-01377903v1
Anisotropic Diffusion in Toroidal geometries Ahmed Ratnani,B Nkonga,Emmanuel Franck,Alina Eksaeva,Maria Kazakova ESAIM: Proceedings and Surveys, 2016, ⟨10.1051/proc/201653006⟩ Article dans une revue hal-01120692v1
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⟩ Article dans une revue istex hal-01103529v1
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 Article dans une revue hal-01070626v1
Parallel Kelvin-Helmholtz instability in edge plasma H Guillard,M Bilanceri,C Colin,Philippe Ghendrih,G Giorgianiet al. Journal of Physics: Conference Series, 2014, Joint Varenna-Lausanne International Workshop 2014, 561, pp.012009. ⟨10.1088/1742-6596/561/1/012009⟩ Article dans une revue hal-01100365v1
A Godunov-Type Solver for the Numerical Approximation of Gravitational Flows Jeaniffer Vides,Benjamin Braconnier,Edouard Audit,Christophe Berthon,Boniface Nkonga Communications in Computational Physics, 2014, 15 (1), pp.46-75. ⟨10.4208/cicp.060712.210313a⟩ Article dans une revue hal-00800474v1
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⟩ Article dans une revue hal-01313339v1
A 3D finite volume scheme for the simulation of edge plasma in Tokamaks M. Bilanceri,L. Combe,H. Guillard,Boniface Nkonga,A. Sangam ESAIM: Proceedings, 2013, 43, pp.164-179. ⟨10.1051/proc/201343011⟩ Article dans une revue hal-01306960v1
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⟩ Article dans une revue hal-01061303v1
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 Article dans une revue hal-00695799v1
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⟩ Article dans une revue istex hal-00725797v1
A simple stabilized finite element method for solving two phase compressible-incompressible interface flows Marie Billaud-Friess,G. Gallice,Boniface Nkonga Computer Methods in Applied Mechanics and Engineering, 2011, 200 (9), pp.1272-1290. ⟨10.1016/j.cma.2010.10.017⟩ Article dans une revue istex hal-01004944v1
Finite volume method in curvilinear coordinates for hyperbolic conservation laws Herve Guillard,Audrey Bonnement,Martin Marie,T. Fajraoui,Alexandre Moutonet al. ESAIM: Proceedings, 2011, 32, pp.163-176 Article dans une revue hal-00914822v1
A stabilized finite element method for compressible-incompressible flows G. Gallice,Marie Billaud-Friess,Boniface Nkonga Proceeding Enumath, 2010, pp.171-179 Article dans une revue hal-01004948v1
DRY GRANULAR FLOWS WITH EROSION/DEPOSITION PROCESS C.Y. Kuo,Boniface Nkonga,Mario Ricchiuto,Y.-C. Tai,Benjamin Braconnier ESAIM: Proceedings, 2009, 28, pp.136--150. ⟨10.1051/proc/2009043⟩ Article dans une revue hal-00538830v1
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⟩ Article dans une revue inria-00290717v1
Multifluid numerical approximations based on multipressure formulation Christophe Berthon,Boniface Nkonga Computers and Fluids, 2007, 36 (2), pp.467--479 Article dans une revue inria-00403694v1
Multiscale numerical method for nonlinear Maxwell equations Thierry Colin,Boniface Nkonga Discrete and Continuous Dynamical Systems - Series B, 2005, 5, pp.631-658 Article dans une revue hal-00387189v1
Numerical model of a compressible multi-fluid fluctuating flow Christophe Berthon,Boniface Nkonga International Journal on Finite Volumes, 2005, 2, pp.1-22 Article dans une revue hal-01115330v1
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 Article dans une revue 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 Article dans une revue hal-00918070v1

Communication dans un congrès (15)

Non-linear MHD Modelling of Transients in Tokamaks: Recent Advances with the Jorek Code Matthias Hoelzl,Guido T. A. Huijsmans,Francisco Javier Artola,Eric Nardon,Marina Becouletet al. FEC 2023 - 29th IAEA Fusion Energy Conference, Oct 2023, London, United Kingdom Communication dans un congrès hal-04403692v1
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 Communication dans un congrès hal-03735893v1
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 Communication dans un congrès hal-01959157v1
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 Communication dans un congrès hal-01426950v1
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 Communication dans un congrès 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⟩ Communication dans un congrès hal-01103515v1
Parallel K-H turbulence as a test case for plasma edge fluid modelling Serre E.,Bigot B.,Colin C.,Paredes A.,Frédéric Schwanderet al. 15th European Fusion Theory Conference, Sep 2013, Oxford, United Kingdom Communication dans un congrès hal-01309843v1
Parallel K-H turbulence as a test case for plasma edge fluid modelling Eric Serre,B. Bigot,Clothilde Colin,A. Paredes,Frédéric Schwanderet al. 15th European Fusion Theory Conference, Sep 2013, Oxford, United Kingdom Communication dans un congrès 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 Communication dans un congrès 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 Communication dans un congrès hal-00653242v1
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 Communication dans un congrès inria-00551085v1
A stabilized finite element method for compressible-incompressible flows Marie Billaud-Friess,Gérard Gallice,Boniface Nkonga ENUMATH 2009 - 8th European Conference on Numerical Mathematics and Advanced Applications, Jul 2009, Uppsala, Sweden. pp.171-179, ⟨10.1007/978-3-642-11795-4_17⟩ Communication dans un congrès istex hal-05361807v1
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 Communication dans un congrès inria-00551090v1
Efficient solution technique for low Mach number compressible multiphase problems Benjamin Braconnier,Boniface Nkonga,Mickael Papin,Pierre Ramet,Mario Ricchiutoet al. PMAA'06, 2006, Rennes, France Communication dans un congrès 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 Communication dans un congrès inria-00346607v1

Ouvrages (1)

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 Ouvrages hal-01514920v1

Chapitre d'ouvrage (1)

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⟩ Chapitre d'ouvrage hal-01534938v1

Pré-publication, Document de travail (6)

Stationary shock-like transition fronts in dispersive systems Sergey Gavrilyuk,Boniface Nkonga,Keh-Ming Shyue,Lev Truskinovsky 2020 Pré-publication, Document de travail hal-01958328v2
A path conservative finite volume method for a shear shallow water model Praveen Chandrashekar,Boniface Nkonga,Asha Kumari Meena,Ashish Bhole 2019 Pré-publication, Document de travail hal-02294026v2
Multi-Scale Approximation of Thin-Layer Flows on Curved Topographies Yih-Chin Tai,Jeaniffer Vides,Boniface Nkonga,Chih-Yu Kuo 2019 Pré-publication, Document de travail hal-02305269v1
Sharpening diffuse interfaces with compressible fluids on unstructured meshes Alexandre Chiapolino,Richard Saurel,Boniface Nkonga 2017 Pré-publication, Document de travail hal-01455167v1
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 2017 Pré-publication, Document de travail hal-01426759v1
Spline Spaces over Quadrangle Meshes with Complex Topologies Meng Wu,Bernard Mourrain,André Galligo,Boniface Nkonga 2014 Pré-publication, Document de travail hal-00952455v1

Rapport (7)

Tokamesh : A software for mesh generation in Tokamaks Herve Guillard,Jalal Lakhlili,Adrien Loseille,Alexis Loyer,Boniface Nkongaet al. [Research Report] RR-9230, CASTOR. 2018 Rapport (rapport de recherche) hal-01948060v1
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 Rapport (rapport de recherche) hal-01638140v1
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 Rapport (rapport de recherche) hal-01426859v1
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 Rapport (rapport de recherche) hal-01294788v1
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 Rapport (rapport de recherche) hal-00998235v2
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 Rapport inria-00072444v1
Godunov type method on non-structured meshes for three-dimensional moving boundary problems Boniface Nkonga,Hervé Guillard [Research Report] RR-1883, INRIA. 1993 Rapport (rapport de recherche) inria-00074789v1