Membre

Photo de Dimitri KOMATITSCH

Dimitri KOMATITSCH

CNRS

Chargé de Recherche HDR

Publications

Article dans une revue

Four dimensional wave propagation simulation in liquid metal with realistic thermal fluctuation, Masaru Nagaso, Joseph Moysan, Christian Lhuillier, Dimitri Komatitsch. Ultrasonics, In press, ⟨10.1016/j.ultras.2021.106528⟩
On the Influence of Slopes, Source, Seabed and Water Column Properties on T Waves: Generation at Shore, Alexis Bottero, Paul Cristini, Dimitri Komatitsch. Pure and Applied Geophysics, 2020, 177, pp.5695-5711. ⟨10.1007/s00024-020-02611-z⟩
Numerical and Experimental Study of Wave Propagation in Water-Saturated Granular Media Using Effective Method Theories and a Full-Wave Numerical Simulation, Katsunori Mizuno, Paul Cristini, Dimitri Komatitsch, Yann Capdeville. IEEE Journal of Oceanic Engineering, 2020, 45 (3), pp.772 - 785. ⟨10.1109/JOE.2020.2983865⟩
Seismic surveying and imaging at the laboratory scale: A framework to cross-validate experiments and simulations for a salt-body environment, Bence Solymosi, Nathalie Favretto-Cristini, Vadim Monteiller, Paul Cristini, Bjørn Ursin, Dimitri Komatitsch. Geophysics, 2020, 85 (3), pp.T123-T139. ⟨10.1190/geo2019-0313.1⟩
Simulations of ultrasonic wave propagation in concrete based on a two-dimensional numerical model validated analytically and experimentally, Ting Yu, Jean François Chaix, Lorenzo Audibert, Dimitri Komatitsch, Vincent Garnier, Jean-Marie Henault. Ultrasonics, 2019, Ultrasonics, 92, pp.21-34. ⟨10.1016/j.ultras.2018.07.018⟩
A flexible numerical approach for non-destructive ultrasonic testing based on a time-domain spectral-element method: Ultrasonic modeling of Lamb waves in immersed defective structures and of bulk waves in damaged anisotropic materials, Eric Rosenkrantz, Alexis Bottero, Dimitri Komatitsch, Vadim Monteiller. NDT & E International, 2019, 101, pp.72 - 86. ⟨10.1016/j.ndteint.2018.10.002⟩
Uncertainty quantification for acoustic wave propagation in a shallow water environment, Shahram Khazaie, Xun Wang, Dimitri Komatitsch, Pierre Sagaut. Wave Motion, 2019, 91, pp.102390. ⟨10.1016/j.wavemoti.2019.102390⟩
Parallel three-dimensional electrical capacitance data imaging using a nonlinear inversion algorithm and L p norm-based model regularization, Roland Martin, Vitaliy Ogarko, Dimitri Komatitsch, Mark Jessell. Measurement - Journal of the International Measurement Confederation (IMEKO), 2018, 128, pp.428 - 445. ⟨10.1016/j.measurement.2018.05.099⟩
Broadband transmission losses and time dispersion maps from time-domain numerical simulations in ocean acoustics, Alexis Bottero, Paul Cristini, Dimitri Komatitsch, Quentin Brissaud. Journal of the Acoustical Society of America, 2018, 144 (3), pp.EL222 - EL228. ⟨10.1121/1.5055787⟩
BOAST: A metaprogramming framework to produce portable and efficient computing kernels for HPC applications, Brice Videau, Kevin Pouget, Luigi Genovese, Thierry Deutsch, Dimitri Komatitsch, Frédéric Desprez, Jean-François Méhaut. International Journal of High Performance Computing Applications, 2018, 32 (1), pp.28-44. ⟨10.1177/1094342017718068⟩
How to adapt numerical simulation of wave propagation and ultrasonic laboratory experiments to be comparable — A case study for a complex topographic model, Bence Solymosi, Nathalie Favretto-Cristini, Vadim Monteiller, Dimitri Komatitsch, Paul Cristini, Børge Arntsen, Bjorn Ursin. Geophysics, 2018, 83 (4), pp.T195-T207
Finite-Difference Modeling of Acoustic and Gravity Wave Propagation in Mars Atmosphere: Application to Infrasounds Emitted by Meteor Impacts, Raphael Garcia, Quentin Brissaud, Lucie Rolland, Roland Martin, Dimitri Komatitsch, Aymeric Spiga, Philippe Lognonné, Bruce Banerdt. Space Science Reviews, 2017, vol. 211 (n° 1-4), pp. 547-570. ⟨10.1007/s11214-016-0324-6⟩
Radial anisotropy of the North American upper mantle based on adjoint tomography with USArray, Hejun Zhu, Dimitri Komatitsch, Jeroen Tromp. Geophysical Journal International, 2017, 211 (1), pp.349 - 377. ⟨10.1093/gji/ggx305⟩
Ultrasonic computed tomography based on full-waveform inversion for bone quantitative imaging, Simon Bernard, Simon Bernard, Vadim Monteiller, Dimitri Komatitsch, Philippe Lasaygues. Physics in Medicine and Biology, 2017, 62 (17), pp.7011 - 7035. ⟨10.1088/1361-6560/aa7e5a⟩
Hybrid Galerkin numerical modelling of elastodynamics and compressible Navier–Stokes couplings: applications to seismo-gravito acoustic waves, Quentin Brissaud, Roland Martin, Raphaël F. Garcia, Dimitri Komatitsch. Geophysical Journal International, 2017, 210 (2), pp.1047 - 1069. ⟨10.1093/gji/ggx185⟩
A high-order 3-D spectral-element method for the forward modelling and inversion of gravimetric data - Application to the western Pyrenees, Roland Martin, Sébastien Chevrot, Dimitri Komatitsch, L. Seoane, S. Bonvalot, G. Dufréchou, S. Bruinsma. Geophysical Journal International, 2017, 209 (1), pp.406-424. ⟨10.1093/gji/ggx010⟩
Sound-Source Localization in Range-Dependent Shallow-Water Environments Using a Four-Layer Model, Xun Wang, Shahram Khazaie, Dimitri Komatitsch, Pierre Sagaut. IEEE Journal of Oceanic Engineering, 2017, 44 (1), pp.220 - 228. ⟨10.1109/JOE.2017.2775978⟩
Highly-accurate stability-preserving optimization of the Zener viscoelastic model, with application to wave propagation in the presence of strong attenuation, Emilie Blanc, Dimitri Komatitsch, Emmanuel Chaljub, Bruno Lombard, Zhinan Xie. Geophysical Journal International, 2016, 205, pp.427-439. ⟨10.1093/gji/ggw024⟩
A 1.8 trillion degree of freedom, 1.24 Petaflops global seismic wave simulation on the K computer, Seiji Tsuboi, Kazuto Ando, Takayuki Miyoshi, Daniel Peter, Dimitri Komatitsch, Jeroen Tromp. International Journal of High Performance Computing Applications, 2016, 30 (4), pp.411-422. ⟨10.1177/1094342016632596⟩
Ultrasonic thermometry simulation in a random fluctuating medium: Evidence of the acoustic signature of a one-percent temperature difference, Masaru Nagaso, Joseph Moysan, Saïd Benjeddou, Nicolas Massacret, Marie-Aude Ploix, Dimitri Komatitsch, Christian Lhuillier. Ultrasonics, 2016, 68, pp.61-70. ⟨10.1016/j.ultras.2016.02.011⟩
Finite-difference numerical modelling of gravito-acoustic wave propagation in a windy and attenuating atmosphere, Quentin Brissaud, Roland Martin, Raphael Garcia, Dimitri Komatitsch. Geophysical Journal International, 2016, 206 (1), pp.308-327. ⟨10.1093/gji/ggw121⟩
The deep roots of the western Pyrenees revealed by full waveform inversion of teleseismic P waves, Yi Wang, Sébastien Chevrot, Vadim Monteiller, Dimitri Komatitsch, Frédéric Mouthereau, Gianreto Manatschal, Matthieu Sylvander, Jordi Diaz, Mario Ruiz, Franck Grimaud, Sébastien Benahmed, Hélène Pauchet, Roland Martin. Geology, 2016, 44 (6), pp.475-478. ⟨10.1130/G37812.1⟩
A perfectly matched layer for fluid-solid problems: Application to ocean-acoustics simulations with solid ocean bottoms, Zhinan Xie, René Matzen, Paul Cristini, Dimitri Komatitsch, Roland Martin. Journal of the Acoustical Society of America, 2016, 140 (1), pp.165-175. ⟨10.1121/1.4954736⟩
An axisymmetric time-domain spectral-element method for full-wave simulations: Application to ocean acoustics, Alexis Bottero, Paul Cristini, Dimitri Komatitsch, Mark Asch. Journal of the Acoustical Society of America, 2016, 140 (5), pp.3520-3530. ⟨10.1121/1.4965964⟩
Global adjoint tomography: First-generation model, Ebru Bozdağ, Daniel Peter, Matthieu Lefebvre, Dimitri Komatitsch, Jeroen Tromp, Judith C. Hill, Norbert Podhorszki, David Pugmire. Geophysical Journal International, 2016, 207 (3), pp.1739-1766. ⟨10.1093/gji/ggw356⟩
Anelastic sensitivity kernels with parsimonious storage for adjoint tomography and full waveform inversion, Dimitri Komatitsch, Zhinan Xie, Ebru Bozdag, Elliott Sales De Andrade, Daniel Peter, Qinya Liu, Jeroen Tromp. Geophysical Journal International, 2016, 206 (3), pp.1467-1478. ⟨10.1093/gji/ggw224⟩
Three-dimensional full waveform inversion of short-period teleseismic wavefields based upon the SEM-DSM hybrid method, Vadim Monteiller, Sébastien Chevrot, Dimitri Komatitsch, Yi Wang. Geophysical Journal International, 2015, 202 (2), pp.811-827. ⟨10.1093/gji/ggv189⟩
A 3-D spectral-element and frequency-wave number hybrid method for high-resolution seismic array imaging, Ping Tong, Dimitri Komatitsch, Tai-Lin Tseng, Shu-Huei Hung, Chin-Wu Chen, Piero Basini, Qinya Liu. Geophysical Research Letters, 2014, 41 (20), pp.7025-7034. ⟨10.1002/2014GL061644⟩
Spectral-element simulations of seismic waves generated by the 2009 L'Aquila earthquake, Federica Magnoni, Emanuele Casarotti, Alberto Michelini, Antonio Piersanti, Dimitri Komatitsch, Daniel Peter, Jeroen Tromp. Bulletin of the Seismological Society of America, 2014, 104 (1), pp.73-94. ⟨10.1785/0120130106⟩
Toward real-time regional earthquake simulation II: Real-time Online earthquake Simulation (ROS) of Taiwan earthquakes, Shiann-Jong Lee, Qinya Liu, Jeroen Tromp, Dimitri Komatitsch, Wen-Tzong Liang, Bor-Shouh Huang. Journal of Southeast Asian earth sciences, 2014, 87, pp.56-68. ⟨10.1016/j.jseaes.2014.02.009⟩
Numerical modeling of zero-offset laboratory data in a strong topographic environment : Results for a spectral-element method and a discretized Kirchhoff integral method, Nathalie Favretto-Cristini, Anastasiya Tantsereva, Paul Cristini, Bjorn Ursin, Dimitri Komatitsch, Arkady Aizenberg. Earthquake Science, 2014, 27 (4), pp.391-399
High-resolution seismic array imaging based on a SEM-FK hybrid method, Ping Tong, Chin-Wu Chen, Dimitri Komatitsch, Piero Basini, Qinya Liu. Geophysical Journal International, 2014, 197 (1), pp.369-395. ⟨10.1093/gji/ggt508⟩
Improved forward wave propagation and adjoint-based sensitivity kernel calculations using a numerically stable finite-element PML, Zhinan Xie, Dimitri Komatitsch, Roland Martin, René Matzen. Geophysical Journal International, 2014, 198 (3), pp.1714-1747. ⟨10.1093/gji/ggu219⟩
Energy efficiency vs. performance of the numerical solution of PDEs: an application study on a low-power ARM-based cluster, Dominik Göddeke, Dimitri Komatitsch, Markus Geveler, Dirk Ribbrock, Nikola Rajovic, Nikola Puzovic, Alex Ramirez. Journal of Computational Physics, 2013, 237, pp.132-150. ⟨10.1016/j.jcp.2012.11.031⟩
Seismic image restoration using nonlinear least squares shape optimization, Mathieu Gilardet, Sébastien Guillon, Bruno Jobard, Dimitri Komatitsch. Procedia Computer Science, 2013, 18, pp.732-741. ⟨10.1016/j.procs.2013.05.237⟩
Gravity inversion using wavelet-based compression on parallel hybrid CPU/GPU systems: application to southwest Ghana, Roland Martin, Vadim Monteiller, Dimitri Komatitsch, Stéphane Perrouty, Mark Jessell, Sylvain Bonvalot, Mark Lindsay. Geophysical Journal International, 2013, 195 (3), pp.1594-1619. ⟨10.1093/gji/ggt334⟩
A hybrid method to compute short period synthetic seismograms of teleseismic body waves in a 3-D regional model, Vadim Monteiller, Sébastien Chevrot, Dimitri Komatitsch, Nobuaki Fuji. Geophysical Journal International, 2013, 192 (1), pp.230-247. ⟨10.1093/gji/ggs006⟩
Some illustrative examples of the use of the spectral-element method in ocean acoustics, Paul Cristini, Dimitri Komatitsch. Journal of the Acoustical Society of America, 2012, 131 (3), pp.EL229-EL235. ⟨10.1121/1.3682459⟩
Rapid estimation of damage to tall buildings using near real-time earthquake and archived structural simulations, Swaminathan Krishnan, Emanuele Casarotti, Jim Goltz, Chen Ji, Dimitri Komatitsch, Ramses Mourhatch, Matthew Muto, John H. Shaw, Carl Tape, Jeroen Tromp. Bulletin of the Seismological Society of America, 2012, 102 (6), pp.2646-2666. ⟨10.1785/0120110339⟩
Simulation of multistage excavation based on a 3D spectral-element method, Hom Nath Gharti, Volker Oye, Dimitri Komatitsch, Jeroen Tromp. Computers & Structures, 2012, 100-101, pp.54-69. ⟨10.1016/j.compstruc.2012.03.005⟩
Optimized discrete wavelet transforms in the cubed sphere with the lifting scheme - implications for global finite-frequency tomography, Sébastien Chevrot, Roland Martin, Dimitri Komatitsch. Geophysical Journal International, 2012, 191 (3), pp.1391-1402. ⟨10.1111/j.1365-246X.2012.05686.x⟩
Elastic surface waves in crystals. Part 1: Review of the physics, Nathalie Favretto-Cristini, Dimitri Komatitsch, Carcione M. José, Cavallini Fabio. Ultrasonics, 2011, 51 (6), pp.653-660. ⟨10.1016/j.ultras.2011.02.007⟩
Elastic surface waves in crystals - part 2: cross-check of two full-wave numerical modeling methods, Dimitri Komatitsch, José M. Carcione, Fabio Cavallini, Nathalie Favretto-Cristini. Ultrasonics, 2011, 51 (8), pp.878-889. ⟨10.1016/j.ultras.2011.05.001⟩

Chapitre d'ouvrage

Data and Workflow Management for Exascale Global Adjoint Tomography, Matthieu Lefebvre, Yangkang Chen, Wenjie Lei, David Luet, Youyi Ruan, Jeroen Tromp, Ebru Bozdağ, Judith C. Hill, Dimitri Komatitsch, Lion Krischer, Daniel Peter, Norbert Podhorszki, James Smith. Tjerk Straatsma, Katie Antypas and Tim Williams. Exascale Scientific Applications: Programming Approaches for Scalability, Performance, and Portability, CRC Press, pp.279-306, 2017, 9781138197541
Finite and spectral element methods on unstructured grids for flow and wave propagation problems, Dominik Göddeke, Dimitri Komatitsch, Matthias Möller. Volodymyr Kindratenko. Numerical Computations with GPUs, Springer, pp.183-206, 2014, Chapter 9, ⟨10.1007/978-3-319-06548-9_9⟩

Communication dans un congrès

2D numerical modeling for ultrasounds propagation in heterogeneous media - Validation and application in concrete structures, Jean François Chaix, Dimitri Komatitsch, Vincent Garnier, Ting Yu, Jean-Marie Henault, Lorenzo Audibert. International Congress on Ultrasonics, Sep 2019, Bruges, Belgium
A two-way approach to adapt reduced-scale laboratory experiments and corresponding numerical simulations of offshore seismic surveys in complex marine environments, Nathalie Favretto-Cristini, Bence Solymosi, Paul Cristini, Vadim Monteiller, Bjorn Ursin, Dimitri Komatitsch. OCEANS 2019, Jun 2019, MARSEILLE, France
Numerical and experimental study on wave propagation in granular media using a spectral- element method, Katsunori Mizuno, Paul Cristini, Dimitri Komatitsch, Yann Capdeville. OCEANS 2019, Jun 2019, Marseille, France
Mono-hydrophone localization of baleen whales: a study of propagation using a spectral element method applied in Northern Chile, Julie Patris, Dimitri Komatitsch, Maritza Sepúlveda, Macarena Santos, Hervé Glotin, Franck Malige, Susannah Buchan, Mark Asch. Oceans 2019, Jun 2019, Marseille, France. ⟨10.1109/OCEANSE.2019.8867333⟩
Recent modelling advances in NDT to improve safety and sustainability for the next generation of nuclear reactor, J. Moysan, Gilles Corneloup, Jean François Chaix, Cécile Gueudré, Dimitri Komatitsch, Ivan Lillamand, Jean Mailhé, Jean Mailhé, Serge Mensah, Marie-Aude Ploix, C Payan, Sandrine T. Rakotonarivo, F. Baqué, J. Bonnin, M. Cavaro, G. Gobillot, Jp. Jeannot, C. Lhuillier, K. Paumel, Emma Lubeigt, Nicolas Massacret, Lilian d'Hondt, Pierre Kauffmann, Masaru Nagaso,, Quentin Marsac. Anglo-French Physical Acoustics Conference (AFPAC - 2019), Jan 2019, Frejus, France
Numerical simulations of ultrasonic wave propagation in concrete for Non Destructive Evaluation applications, Ting Yu, Jean-Marie Henault, Lorenzo Audibert, Jean François Chaix, Vincent Garnier, Dimitri Komatitsch. TINCE 2018, Aug 2018, Paris-Saclay, France
Numerical modeling with high performance computing of seismic waves for complex marine environments: Benchmarking with laboratory experiments, Bence Solymosi, Nathalie Favretto-Cristini, Vadim Monteiller, Paul Cristini, Borge Arntsen, Dimitri Komatitsch, Bjorn Ursin. ASA, May 2018, Minneapolis, United States. pp.1926-1926, ⟨10.1121/1.5036290⟩
Some examples of the application of high-performance computing for time-domain full-wave simulations in underwater acoustics using a spectral-element method, Paul Cristini, Dimitri Komatitsch, Alexis Bottero. ASA, May 2018, Minneapolis, United States. pp.1926-1926, ⟨10.1121/1.5036288⟩
Propagation des ondes ultrasonores dans le béton: comparaison de modélisations numériques 2D et de Contrôles non Destructifs in situ, Ting Yu, Jean François Chaix, Lorenzo Audibert, Dimitri Komatitsch, Vincent Garnier, Jean-Marie Henault. CFA 2018, Apr 2018, Le Havre, France
Non-linear Ultrasonic Computed Tomography (USCT) for soft and hard tissue imaging, P. Lasaygues, J. Rouyer, S. Mensah, E Franceschini, G Rabau, R Guillermin, Samuel Bernard, V. Monteiller, Dimitri Komatitsch. International Workshop on Medical Ultrasound Tomography, Nov 2017, Speyer, Germany
Full-wave numerical simulations of T-waves, comparison to real data, Alexis Bottero, Dimitri Komatitsch, Paul Cristini. Journées Acoustique et Applications Navales, Oct 2017, Olioules, France
Numerical modeling of marine seismic waves for complex geological environments – Benchmarking with laboratory experiments, Bence Solymosi, Nathalie Favretto-Cristini, Vadim Monteiller, Paul Cristini, Dimitri Komatitsch. Journées Acoustique et Applications Navales, Oct 2017, Ollioules, France
Numerical modeling of seismo-acoustic wave propagation in the Grande Rade of Toulon, Fang Wang, Nathalie Favretto-Cristini, Paul Cristini, Olivier Morio, Thierry Garlan, Xavier Mathias, Dimitri Komatitsch, Vadim Monteiller, Anne Deschamps, Éric Beucler, David Ambrois. Journées Acoustique et Applications NAvales, Oct 2017, Ollioules, France
Some numerical simulations of T-wave generation and propagation over sloping bottom with emphasis on source type influence, Alexis Bottero, Paul Cristini, Dimitri Komatitsch. UACE 2017, Sep 2017, Skiathos, Greece
Numerical Simulations of T-wave Generation and Propagation: Comparison Between Earthquake and Explosion-generated T-waves, Alexis Bottero, Paul Cristini, Dimitri Komatitsch. ICTCA 2017, Jul 2017, Vienne, Austria
Numerical simulations of T-wave generation and conversion at shores: Influence of slope angles and of the SOFAR channel., Alexis Bottero, Paul Cristini, Dimitri Komatitsch. Acoustics'17, Jun 2017, Boston, United States
Comparing Spectral-element Numerical Results with Laboratory Data - An Example for a Topographical Model, Bence Solymosi, Nathalie Favretto-Cristini, Vadim Monteiller, Paul Cristini, Bjørn Ursin, Dimitri Komatitsch, Borge Arnsten. 79th EAGE Conference and Exhibition 2017, Jun 2017, Paris, France
2D Numerical Modelling of Ultrasonic Measurement in Concrete: Wave Propagation in a Multiple-Scattering Medium, Ting Yu, Vincent Garnier, Dimitri Komatitsch, Jean François Chaix, Jean-Marie Henault, Lorenzo Audibert. 16th Anglo-French Physical Acoustics Conference, Jan 2017, Marseille, France
Revisiting the 1/L problem in rheological models for time-domain seismic wave propagation, Changhua Zhang, Zhinan Xie, Dimitri Komatitsch, Paul Cristini, René Matzen. Proceedings of the 86th annual meeting of the Society of Exploration Geophysics (SEG'2016), Oct 2016, Dallas, Texas, United States. pp.1-3
Using large GPU clusters and the race towards exaflops to improve high-resolution acoustic imaging, Dimitri Komatitsch, Vadim Monteiller, Bence Solymosi, Paul Cristini, Nathalie Favretto-Cristini. GPU'2016 conference on Perspectives in GPU computing in Science, Sep 2016, Roma, Italy
High-frequency modeling and imaging based on acoustic waves and HPC in geosciences and non-destructive testing, Dimitri Komatitsch. Italian Society of Industrial and Applied Mathematics (SIMAI) Conference, Sep 2016, Milano, Italy
2D Numerical Modeling of Ultrasonic Wave Propagation in Concrete, Ting Yu, Jean François Chaix, Dimitri Komatitsch, Vincent Garnier, Lorenzo Audibert, Jean-Marie Henault. QNDE 43rd Review of Progress in Quantitative Nondestructive Evaluation, Jul 2016, Atlanta, United States
High-performance computing for whale sound propagation in South American oceans based on accurate numerical techniques, Julie Patris, Hervé Glotin, Dimitri Komatitsch, Elwin Van'T Wout, Franck Malige, Mark Asch. Listening for aquatic mammals in Latin America Conference (LAMLA'2016), Jun 2016, Natal, Brazil
Numerical simulation of ultrasonic wave propagation in a sodium cooling system in an inhomogeneous temperature field using the spectral-element method, Masaru Nagaso, Dimitri Komatitsch, Joseph Moysan, Christian Lhuillier. 19th World Conference on Non-Destructive Testing, Jun 2016, Münich, Germany
Three-dimensional full waveform inversion of short-period teleseismic wavefields based upon a coupled spectral-element method, Dimitri Komatitsch, V. Monteiller. European Congress on Computational Methods in Applied Science and Engineering (ECCOMAS'2016), Jun 2016, Crete Island, Greece
High-resolution imaging of lithospheric structures beneath mountain ranges by full waveform inversion at short period, Dimitri Komatitsch. European Association of Geoscientists and Engineers (EAGE) Annual Meeting, May 2016, Vienna, Austria
Inversion Full Wave Tridimensionnelle de Champs d'Onde Acoustiques Haute Fréquence Grâce à une Méthode d'Éléments Spectraux Couplés, Dimitri Komatitsch, V. Monteiller, S. Chevrot, P. Cristini, A. Bottero. Congrès Français d'Acoustique (CFA'2016), Apr 2016, Le Mans, France
Apport de la Prise en Compte de la Forme d'Onde Complète Grâce aux Éléments Spectraux Axisymétriques, A. Bottero, Dimitri Komatitsch, P. Cristini. Congrès Français d'Acoustique (CFA'2016), Apr 2016, Le Mans, France
Reconstruction de la Carte de Vitesse d'un Milieu Inconnu par Inversion de la Forme d'Onde Complète, E. Bachmann, X. Jacob, Dimitri Komatitsch, V. Gibiat, J. Tromp. Congrès Français d'Acoustique (CFA'2016), Apr 2016, Le Mans, France
Mesures ultrasonores de temps de vol pour caractériser le passage de tourbillons dans l’eau : Expérience et simulations, J. Moysan, N. Massacret, M. Nagaso, M.A. Ploix, Dimitri Komatitsch, C. Lhuillier. Congrès Français d'Acoustique, 2016, Le Mans, France
Simulation numérique de la propagation des ondes T dans la mer ionienne grâce à la méthode des éléments finis spectraux., Alexis Bottero, Paul Cristini, Dimitri Komatitsch, Emanuele Casarotti. Journées Acoustique et Application Navales 2015, Oct 2015, Paris, France
Simulation numérique d'ondes T dans la mer ionienne grâce à la méthode des éléments spectraux, Alexis Bottero, Dimitri Komatitsch, Paul Cristini, Emanuele Casarotti. Assemblée générale "Interférence d'Ondes", Oct 2015, Lyon, France
L'analyse du signal engendré par le contre-minage d'engins explosifs sous-marins (ANR POSA), Thierry Garlan, Anne Deschamps, Éric Beucler, Nathalie Favretto-Cristini, Dimitri Komatitsch, Paul Cristini, Xavier Mathias, Bertrand Delouis. 2e Rencontres scientifiques et techniques RESIF, Oct 2015, La Grande Motte, France
Optimized PML for 3D time-domain full-wave spectral-elements simulations with solid ocean bottoms, Paul Cristini, Dimitri Komatitsch, Zhinan Xie, René Matzen, Roland Martin. Underwater Acoutics Conference and Exhibition 2015, Jun 2015, Chania, Greece
Time-domain full wave SOFAR channel spectral-element simulations: going beyond usual approximations for acoustic wave monitoring, Dimitri Komatitsch, Paul Cristini, Alexis Bottero. Underwater Acoutics Conference and Exhibition 2015, Jun 2015, Chania, Greece
Modeling, inversion and imaging in complex media: a few links between Earth sciences and engineering, Dimitri Komatitsch. GDR Ondes, Jun 2015, Marseille, France
Solving large systems for the elastodynamics equation to perform acoustic imaging, Dimitri Komatitsch. SIAM conference on Parallel Computing for Scientific Computing, Apr 2015, Paris, France
Going to high frequency for full waveform inversion of teleseismic wavefields based upon a SEM-DSM hybrid method and massive High-Performance Computing, Dimitri Komatitsch. European Geophysical Union (EGU) General Assembly, Apr 2015, Vienna, Austria
Modélisation de formes d'onde complètes dans le domaine temporel en acoustique sous marine pour la surveillance du milieu marin et de l'environnement, Dimitri Komatitsch. Journée Modélisation, Simulation Numérique et HPC de l'INSA, Feb 2015, Rouen, France
Acoustic and elastic inversion and imaging on future exascale machines, Dimitri Komatitsch. Symposium on HPC and Data-Intensive Applications in Earth Sciences: Challenges and Opportunities, Nov 2014, Trieste, Italy
Exascale challenges for acoustic waves and inversion, Dimitri Komatitsch. GPU'2014 conference on Perspectives of GPU Computing in Physics and Astrophysics, Sep 2014, Roma, Italy
High-Resolution Teleseismic Array Analysis Based on SEM-FK Hybrid Method and Adjoint Tomography, P. Tong, Q. Liu, Dimitri Komatitsch, C. W. Chen. Asia Oceania Geosciences Society Conference (AOGS'2014), Jul 2014, Sapporo, Japan
Scaling seismic imaging algorithms to petascale computing and beyond, Matthieu Lefebvre, Ebru Bozdağ, Henri Calandra, Dimitri Komatitsch, Wenjei Lei, Daniel Peter, Herurisa Rusmanugroho, James Smith, Jeroen Tromp. 11th World Congress on Computational Mechanics (WCCM XI), Jul 2014, Barcelona, Spain. pp.1-2
Les éléments finis spectraux, un outil performant pour la simulation numérique en acoustique : cas de milieux fluide/solide, Dimitri Komatitsch, P. Cristini, Z. Xie. Congrès Français d’Acoustique, May 2014, Poitiers, France
Comparison of numerical seismic modeling results with acoustic water-tank data : multi-offset experiment, Anastasiya Tantsereva, Bjorn Ursin, Nathalie Favretto-Cristini, Paul Cristini, Dimitri Komatitsch, Arkady Aizenberg. ROSE Meeting, May 2014, Trondheim, Norway
Simulations numériques versus Benchmarks expérimentaux de la propagation des ondes en environnement topographique complexe : résultats d’une méthode d’éléments ﬁnis spectraux et de la méthode d’intégrale de Kirchhoﬀ discrétisée, Nathalie Favretto-Cristini, Paul Cristini, Anastasiya Tantsereva, Bjorn Ursin, Dimitri Komatitsch, Arkady Aizenberg. 12e Congrès Français d’Acoustique, Apr 2014, Poitiers, France
The BENCHIE Project : Numerical modeling of zero-offset laboratory data in a strong topographic environment: Results for a spectral-element method and a discretized Kirchhoff integral method, Paul Cristini, Anastasiya Tantsereva, Nathalie Favretto-Cristini, Bjorn Ursin, Dimitri Komatitsch, Arkady Aizenberg. Assemblée Générale du GDR Ondes, Oct 2013, Dijon, France
Efficient and accurate numerical modeling of acoustic wave propagation in complex structures using a spectral-element method (SEM), Dimitri Komatitsch, Paul Cristini, Zhinan Xie. Assemblée Générale du GDR Ondes, Dijon : France (2013), Oct 2013, Dijon, France
Exascale challenges for acoustic waves: the SPECFEM3D package, Dimitri Komatitsch. INTEL European Research and Innovation Conference (ERIC) - HPC Exascale track, Oct 2013, Nice, France
Forward and Inverse Problems in Acoustics and Seismic Modeling: An Optimized Spectral-Element Approach, Dimitri Komatitsch, Z. Xie. SIAM Conference on Mathematical and Computational Issues in the Geosciences, Jun 2013, Padova, Italy
Numerical modeling of zero-offset acoustic data by the tip-wave superposition method, Anastasiya Tantsereva, Bjorn Ursin, Nathalie Favretto-Cristini, Paul Cristini, Dimitri Komatitsch, Arkady Aizenberg. 75th EAGE Conference & Exhibition incorporating SPE EUROPEC 2013, Jun 2013, London, United Kingdom. pp.1-5
Numerical modeling of zero-offset acoustic data by the Tip-Wave Superposition Method and the Spectral-Element Method, Bjorn Ursin, Anastasiya Tantsereva, Nathalie Favretto-Cristini, Paul Cristini, Dimitri Komatitsch, Arkady Aizenberg. Conference "3D Wave Propagation and Imaging through the Earth's Interior", May 2013, Wuhan, China. pp.1-2
Modeling of transmitted and reflected waves in layered media, Anastasiya Tantsereva, Bjorn Ursin, Nathalie Favretto-Cristini, Paul Cristini, Dimitri Komatitsch, Arkady Aizenberg. ROSE (ROck SEismic research project) meeting, Apr 2013, Trondheim, Norway
High performance numerical simulations for propagating waves and performing imaging, Dimitri Komatitsch. TURBINTERMED Turbulence and Internal Waves in Mediterranean Sea ERCOFTAC 2013 Conference, Apr 2013, Toulon, France
Forward and adjoint simulations of seismic wave propagation on emerging large-scale GPU architectures, Max Rietmann, Peter Messmer, Tarje Nissen-Meyer, Daniel Peter, Piero Basini, Dimitri Komatitsch, Olaf Schenk, Jeroen Tromp, Lapo Boschi, Domenico Giardini. Proceedings of the ACM / IEEE Supercomputing SC'2012 conference, Nov 2012, Salt Lake City, United States. pp.article n° 38
Forward and Adjoint Simulations of Seismic Wave Propagation on Emerging Large-scale GPU Architectures, Max Rietmann, Peter Messmer, Tarje Nissen-Meyer, Daniel Peter, Piero Basini, Dimitri Komatitsch, Olaf Schenk, Jeroen Tromp, Lapo Boschi, Domenico Giardini. Proceedings of the ACM / IEEE Supercomputing SC'2012 conference, Nov 2012, Salt Lake City, United States. pp.1-11
Modèles multi-échelles de métamatériaux pour le contrôle des ondes élastiques, Sébastien Guenneau, André Diatta, Mohamed Farhat, Stefan Enoch, Emmanuel Javelaud, Stéphane Brule, Guillaume Dupont, Bernard Molin, Dimitri Komatitsch. Journées MAIRCI, Bull (MESOIMAGES), Sep 2012, Grenoble, France
Seismic metamaterials, S Brûlé, E Javelaud, Sebastien Guenneau, S Enoch, Dimitri Komatitsch. ETOPIM9 book abstract, S. Guenneau, S. Enoch, Sep 2012, Marseille, France
Spectral-element numerical modeling for acoustic and elastic wave propagation, Dimitri Komatitsch, P. Cristini. 13èmes Journées de la Matière Condensée, Aug 2012, Montpellier, France
Comparison of numerical seismic modeling results with acoustic water-tank data, Anastasiya Tantsereva, Bjorn Ursin, Arkady Aizenberg, Paul Cristini, Nathalie Favretto-Cristini, Dimitri Komatitsch. Lofoten seminar, Aug 2012, Lofoten, Norway
Some Examples of the Use of a Spectral-Element Method for Forward and Inverse Problems in Solid or Fluid-Solid Media, Dimitri Komatitsch. 8th European Solid Mechanics Conference (ESMC, EUROMECH), Symposium on Computational Strategies for Waves in Solids: Direct and Inverse Problems, Jul 2012, Graz, Austria
Application of a Spectral-Element Method in the time domain for wave propagation and diffraction modelling in underwater acoustics, Paul Cristini, Dimitri Komatitsch. 11th European Conference on Underwater Acoustics, Jul 2012, Edinburgh, United Kingdom
Laboratory benchmarks vs. Synthetic modeling of seismic wave propagation in complex environments (BENCHIE Project): Results for a spectral-element method and the Tip Wave Superposition Method, Paul Cristini, Nathalie Favretto-Cristini, Anastasiya Tantsereva, Bjorn Ursin, Arkady Aizenberg, Dimitri Komatitsch. ECUA 2012 11th European Conference on Underwater Acoustics, Jul 2012, Edinburgh, United Kingdom. pp.1-10
Comparison of numerical seismic modeling results with acoustic water-tank data, Anastasiya Tantsereva, Bjorn Ursin, Nathalie Favretto-Cristini, Paul Cristini, Dimitri Komatitsch, Arkady Aizenberg. 74th EAGE Conference & Exhibition incorporating SPE EUROPEC 2012, Jun 2012, Copenhagen, Denmark. pp.1-5
THIS COMMUNICATION IS CANCELLED (PAPER IS AVAILABLE). Laboratory benchmarks vs. Synthetic modeling of seismic wave propagation in complex environments (BENCHIE Project), Nathalie Favretto-Cristini, Paul Cristini, Dimitri Komatitsch, Bjorn Ursin, Anastasiya Tantsereva, Arkady Aizenberg. Acoustics 2012, Apr 2012, Nantes, France
Laboratory Benchmarks vs. Synthetic Modeling of Seismic Wave Propagation in Complex Environments (BENCHIE Project), Nathalie Favretto-Cristini, Paul Cristini, Dimitri Komatitsch, Bjorn Ursin, Anastasiya Tantsereva, Arkady Aizenberg. ACOUSTICS 2012, Apr 2012, Nantes, France. pp.1-5
Comparison of numerical seismic modeling results with acoustic water-tank data, Anastasiya Tantsereva, Bjorn Ursin, Nathalie Favretto-Cristini, Paul Cristini, Dimitri Komatitsch, Arkady Aizenberg. Consortium ROSE Meeting, Apr 2012, Trondheim, Norway
Solving large forward and adjoint/inverse elastic wave propagation problems on GPU clusters, Dimitri Komatitsch. Speedup 2012 / Annual Swiss Workshop on High-Performance Computing, Feb 2012, Basel, Switzerland
High-order Finite-Element Seismic Wave Propagation Modeling with MPI on a large GPU Cluster, D. Göddeke, Dimitri Komatitsch, G. Erlebacher, David Michéa. AGU Fall Meeting, Dec 2011, San Francisco, United States
Modélisation numérique et calcul haute performance pour la simulation de la propagation des ondes acoustiques ou sismiques en milieu complexe, Dimitri Komatitsch. Journée Annuelle de la Recherche de l’École Centrale, Nov 2011, Marseille, France
FTI: high performance Fault Tolerance Interface for hybrid systems, Leonardo Bautista-Gomez, Dimitri Komatitsch, Naoya Maruyama, Seiji Tsuboi, Franck Cappello, Satoshi Matsuoka, Takeshi Nakamura. Proceedings of the ACM / IEEE Supercomputing SC'2011 conference, Nov 2011, Seattle, United States. pp.1-12, ⟨10.1145/2063384.2063427⟩
Scattering by elastic objects in the time domain for underwater acoustic configurations by means of a spectral-element method, Paul Cristini, Dimitri Komatitsch. 162nd meeting of the acoustical society of america, Oct 2011, San Diego, United States
Solving large inverse problems in seismology using hybrid computing, Dimitri Komatitsch. Fifth workshop of the Joint INRIA Laboratory for Petascale Computing, Jun 2011, Grenoble, France
A hybrid technique for 3-D modeling of high frequency teleseismic body waves in the Earth, Vadim Monteiller, Sébastien Chevrot, Dimitri Komatitsch, Nobuaki Fuji. Proceedings of the European Association of Geoscientists and Engineers EAGE'2011 conference, May 2011, Vienna, Austria. pp.1-5
Spectral-element simulations of seismic waves and coseismic deformations generated by the 2009 L'Aquila earthquake, F. Magnoni, E. Casarotti, A. Michelini, A. Piersanti, Dimitri Komatitsch, J. Tromp. AGU Fall Meeting, Dec 2010, San Francisco, United States
Accelerating spectral-element and finite-difference wave propagation algorithms using a cluster of GPU graphics cards, Dimitri Komatitsch, P. Le Loher, David Michéa, G. Erlebacher, D. Göddeke. Workshop Défis actuels de la modélisation électromagnétique : gestion de la complexité, multi-échelle, multi-physique, gestion des incertitudes, statistiques, Dec 2010, Saint Malo, France
Modélisation de la propagation des ondes sismiques en multi-GPUs, Dimitri Komatitsch. GDR Calcul, Nov 2010, Lyon, France
Apport des cartes graphiques GPU au calcul scientifique, éléments finis d'ordre élevé sur un réseau de cartes graphiques GPU pour la modélisation numérique des ondes sismiques, Dimitri Komatitsch. Académie des Sciences, Institut de France, Nov 2010, Paris, France
The spectral-element method and three-dimensional seismology, Dimitri Komatitsch. Tenth UNESCO ICTP Workshop on three-dimensional modeling of seismic wave generation, propagation and their inversion, Sep 2010, Trieste, Italy
A spectral-element seismic wave propagation algorithm on a cluster of 192 GPUs, Dimitri Komatitsch, G. Erlebacher, D. Göddeke, David Michéa. 6th International Workshop on Parallel Matrix Algorithms and Applications (PMAA'10), Jun 2010, Basel, Switzerland
Simulation d’un tremblement de terre à l’échelle planétaire, Dimitri Komatitsch. Académie des Sciences, Institut de France, Jun 2010, Paris, France
Numerical simulations of source processes and seismic wave propagation associated with hazardous earthquakes in Taiwan, S.-J. Lee, Dimitri Komatitsch, B.-S. Huang, J. Tromp. 2010 Western Pacific Geophysics Meeting, Jun 2010, Taipei, Taiwan
Running 3D finite-difference or spectral-element wave propagation codes 25x to 50x faster using a GPU cluster, Dimitri Komatitsch, David Michéa, G. Erlebacher, D. Göddeke. Proceedings of the European Association of Geoscientists and Engineers EAGE'2010 conference, Jun 2010, Barcelona, Spain
Running 3D finite-difference or spectral-element wave propagation codes faster using a GPU cluster, Dimitri Komatitsch, David Michéa, G. Erlebacher, D. Göddeke. 2nd European Association of Geoscientists & Engineers (EAGE) conference, Jun 2010, Barcelona, Spain
High-order finite-element seismic wave propagation modeling on a cluster of 192 GPUs, Dimitri Komatitsch, D. Göddeke, G. Erlebacher, David Michéa. International Supercomputing Conference (ISC'2010), May 2010, Hamburg, Germany
Modeling of seismic wave propagation using high-order finite elements with MPI on a cluster of 192 GPUs, Dimitri Komatitsch, G. Erlebacher, D. Göddeke, David Michéa. 4th European Congress on Computational Mechanics (ECCM/ECCOMAS'2010), May 2010, Paris, France
Convolution and non convolution Perfectly Matched Layer techniques optimized at grazing incidence for anisotropic, poroelastic or viscoelastic high-order wave propagation modelling, Roland Martin, Dimitri Komatitsch, S. D. Gedney, E. Bruthiaux. 4th European Congress on Computational Mechanics (ECCM/ECCOMAS'2010), May 2010, Paris, France
Accelerating a 3D finite-difference wave propagation code and a spectral-element code using a cluster of GPU graphics cards, Dimitri Komatitsch, David Michéa, Gordon Erlebacher, Dominik Göddeke. Annual meeting of the European Geophysical Union, May 2010, Vienna, Austria
Portage d'une application de propagation d'ondes sismiques en multi-GPUs, Dimitri Komatitsch. Aristote/OpenGPU workshop, Mar 2010, Paris, France
Le calcul parallèle haute performance sur des clusters de cartes graphiques (NVIDIA GPUs) et certaines applications en sismique, sismologie et industrie pétrolière, Dimitri Komatitsch. Groupe Thématique Mathématiques Appliquées, Informatique, Réseaux, Calcul, Industrie de la Société de Mathématiques Appliquées et Industrielles (SMAI), Mar 2010, Paris, France