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AN ASYMPTOTICALLY COMPATIBLE COUPLING FORMULATION FOR NONLOCAL INTERFACE PROBLEMS WITH JUMPS

delete2023-06-16
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OA
AI
C
Christian Glusa *
M
Marta D’Elia
G
Giacomo Capodaglio
M
Max Gunzburger
P
Pavel B. Bochev
DOI:10.1137/22M1490351delete
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摘要

摘要

En 中文
We introduce a mathematically rigorous formulation for a nonlocal interface problem with jumps and propose an asymptotically compatible finite element discretization for the weak form of the interface problem. After proving the well-posedness of the weak form, we demonstrate that solutions to the nonlocal interface problem converge to the corresponding local counterpart when the nonlocal data are appropriately prescribed. Several numerical tests in one and two dimensions show the applicability of our technique, its numerical convergence to exact nonlocal solutions, its convergence to the local limit when the horizons vanish, and its robustness with respect to the patch test.
Keyword:
nonlocal equations
interface problems
imperfect interfaces
finite element discretizations
coupling
asymptotic behavior of solutions

期刊

SIAM Journal on Scientific Computing 封面图
SIAM Journal on Scientific Computing
IF:
2.6
论文数:
5.1K
被引数:
1.8W

机构

U
united states department of energy (doe)
学者数:
11.3W
论文数: 9.6W
被引数: 246
S
Sandia National Laboratories
学者数:
5.5K
论文数: 3.8K
被引数: 6.4K
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