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Exact Nonreflecting Boundary Condition For Elastic Waves

✍ Scribed by Keller, Joseph B.; Grote, Marcus J.


Book ID
118194236
Publisher
Society for Industrial and Applied Mathematics
Year
2000
Tongue
English
Weight
367 KB
Volume
60
Category
Article
ISSN
0036-1399

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πŸ“œ SIMILAR VOLUMES


Nonreflecting Boundary Conditions for th
✍ Bradley Alpert; Leslie Greengard; Thomas Hagstrom πŸ“‚ Article πŸ“… 2002 πŸ› Elsevier Science 🌐 English βš– 264 KB

We describe a new, efficient approach to the imposition of exact nonreflecting boundary conditions for the scalar wave equation. We compare the performance of our approach with that of existing methods by coupling the boundary conditions to finite-difference schemes. Numerical experiments demonstrat

Nonreflecting Boundary Conditions for El
✍ Marcus J. Grote πŸ“‚ Article πŸ“… 2000 πŸ› Elsevier Science 🌐 English βš– 197 KB

An exact nonreflecting boundary condition was derived previously for timedependent elastic waves in three space dimensions [SIAM J. Appl. Math. 60, 803 (2000)]. It is local in time, nonlocal on the artificial boundary, and involves only first derivatives of the displacement. Here it is shown how to