Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Vidhi Zala"'
Publikováno v:
SIAM Journal on Scientific Computing. 43:A3713-A3732
Finite element simulations have been used to solve various partial differential equations (PDEs) that model physical, chemical, and biological phenomena. The resulting discretized solutions to PDEs often do not satisfy requisite physical properties,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0455ad12e2456b783b99afb90b0394ee
https://doi.org/10.1137/20m1337223
https://doi.org/10.1137/20m1337223
Publikováno v:
SIAM Journal on Scientific Computing. 42:A3006-A3029
Approximations of functions with finite data often do not respect certain "structural" properties of the functions. For example, if a given function is non-negative, a polynomial approximation of the function is not necessarily also non-negative. We
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f116816dda57746a6f82ca40bf3c7919
https://doi.org/10.1137/19m130128x
https://doi.org/10.1137/19m130128x
Publikováno v:
HPEC
Multigrid is one of the most effective methods for solving elliptic PDEs. It is algorithmically optimal and is robust when combined with Krylov methods. Algebraic multigrid is especially attractive due to its blackbox nature. This however comes at th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3291a497be93b2bea475308ee1351647
https://doi.org/10.1109/hpec.2019.8916504
https://doi.org/10.1109/hpec.2019.8916504
Publikováno v:
HPEC
Algebraic Multigrid (AMG) is an extremely popular linear system solver and/o $r$ preconditioner approach for matrices obtained from the discretization of elliptic operators. However, its performance and scalability for large systems obtained from uns
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::73ba3455bebfc8ebaa4f42bdc82dd57d
https://doi.org/10.1109/hpec.2018.8547580
https://doi.org/10.1109/hpec.2018.8547580
We present a new iterative technique based on radial basis function (RBF) interpolation and smoothing for the generation and smoothing of curvilinear meshes from straight-sided or other curvilinear meshes. Our technique approximates the coordinate de
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5961e02f78436b5803ba3cdc20551d26
http://arxiv.org/abs/1804.03358
http://arxiv.org/abs/1804.03358
Publikováno v:
Procedia Engineering. 124:135-147
High-order, curvilinear meshes have recently become popular due to their ability to conform to the geometry of the domain. Curvi- linear meshes are generated by first constructing a straight-sided mesh and then curving the boundary elements (and, con
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::195ab91541c2ac244a73fe02fe3d8943