Zobrazeno 1 - 10
of 41
pro vyhledávání: '"Vladimir Tomov"'
We propose a method that morphs high-orger meshes such that their boundaries and interfaces coincide/align with implicitly defined geometries. Our focus is particularly on the case when the target surface is prescribed as the zero isocontour of a smo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::713a7eafced62ff8537190c1d2f03c11
http://arxiv.org/abs/2208.05062
http://arxiv.org/abs/2208.05062
Publikováno v:
SIAM Journal on Scientific Computing. 43:A221-A241
This work develops novel time integration methods for the compressible Euler equations in the Lagrangian frame that are of arbitrary high order and exactly preserve the mass, momentum, and total en...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::38c9ae80ccf2c302469e94c740f523bd
https://doi.org/10.1137/20m1314495
https://doi.org/10.1137/20m1314495
Autor:
Jean-Sylvain Camier, Veselin Dobrev, Patrick Knupp, Tzanio Kolev, Ketan Mittal, Robert Rieben, Vladimir Tomov
In this paper we present a new GPU-oriented mesh optimization method based on high-order finite elements. Our approach relies on node movement with fixed topology, through the Target-Matrix Optimization Paradigm (TMOP) and uses a global nonlinear sol
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e970a76c029719e878a2f85db284f655
http://arxiv.org/abs/2205.12721
http://arxiv.org/abs/2205.12721
Publikováno v:
SIAM Journal on Scientific Computing. 42:B1271-B1301
This paper derives and analyzes new diffusion synthetic acceleration (DSA) preconditioners for the $S_N$ transport equation when discretized with a high-order (HO) discontinuous Galerkin (DG) discr...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7b5d081a122bb305e6e638a525ac31e7
https://doi.org/10.1137/19m124993x
https://doi.org/10.1137/19m124993x
Autor:
Noel Chalmers, Jean-Sylvain Camier, Tzanio V. Kolev, Yohann Dudouit, Kasia Swirydowicz, Lukas Spies, Thilina Rathnayake, Tim Warburton, Valeria Barra, Misun Min, Veselin Dobrev, Ahmad Abdelfattah, Ian Karlin, Jeremy Thompson, Jack Dongarra, Mark S. Shephard, Stanimire Tomov, Vladimir Tomov, Will Pazner, Ananias G. Tomboulides, Jed Brown, Paul Fischer, Ali Karakus, Natalie Beams, Elia Merzari, Stefan Kerkemeier, David Medina, Yu-Hsiang Lan, Cameron W. Smith, Aleksandr Obabko
Efficient exploitation of exascale architectures requires rethinking of the numerical algorithms used in many large-scale applications. These architectures favor algorithms that expose ultra fine-grain parallelism and maximize the ratio of floating p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::850982f4dd8a5bb5c1c40c219a4e7392
http://arxiv.org/abs/2109.04996
http://arxiv.org/abs/2109.04996
Autor:
Peter G. Maginot, Vladimir Tomov, Ben S. Southworth, Terry S. Haut, T S Bailey, Thomas A. Brunner
Publikováno v:
Nuclear Science and Engineering. 193:746-759
We propose a graph-based sweep algorithm for solving the steady-state, monoenergetic discrete ordinates on meshes of high-order (HO) curved mesh elements. Our spatial discretization consists of arb...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d45d698440f8466d279eb000f5998a3b
https://doi.org/10.1080/00295639.2018.1562778
https://doi.org/10.1080/00295639.2018.1562778
Publikováno v:
SIAM Journal on Scientific Computing. 41:B425-B447
We propose an unified algebraic approach for static condensation and hybridization, two popular techniques in finite element discretizations. The algebraic approach is supported by the construction of scalable solvers for problems involving H(div)-sp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9abbde4d6fa2afbf138ad8b3819256f6
https://doi.org/10.1137/17m1132562
https://doi.org/10.1137/17m1132562
Autor:
Will Pazner, Jakub Cerveny, M L Stowell, Tzanio V. Kolev, Stefano Zampini, R W Anderson, Johann Dahm, Jean-Sylvain Camier, Aaron Fisher, Veselin Dobrev, Ido Akkerman, David Medina, Andrew T. Barker, Jamie A. Bramwell, Yohann Dudouit, Julian Andrej, Vladimir Tomov
Publikováno v:
Computers & Mathematics with Applications, 81
MFEM is an open-source, lightweight, flexible and scalable C++ library for modular finite element methods that features arbitrary high-order finite element meshes and spaces, support for a wide variety of discretization approaches and emphasis on usa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0995c28ca20ad3988c304dc4e58acc24
http://resolver.tudelft.nl/uuid:553103d4-1337-44a3-9638-47ff85dbd5d1
http://resolver.tudelft.nl/uuid:553103d4-1337-44a3-9638-47ff85dbd5d1
Autor:
L. Busby, B. Olson, R.B. Pember, R W Anderson, Kenneth Weiss, Veselin Dobrev, Thomas Stitt, N. S. Elliott, M. Osawe, A. Skinner, J. Ciurej, Richard D. Hornung, D. Stevens, R. Rieben, Vladimir Tomov, A. Black, B. Blakeley, L. R. Taylor, Cyrus Harrison, Daniel A. White, W. Liu, Jean-Sylvain Camier, W. Nissen, Arturo Vargas, J. Grondalski, Matthew Legendre, Andrew W. Cook, Olga Pearce, Ryan Bleile, Tz. V. Kolev, G. Papadimitriou
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7311be2624316052b02ee59b8e997176
https://doi.org/10.2172/1724326
https://doi.org/10.2172/1724326