Constructing absorbing boundary condition
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- journal_title：Bulletin of the Seismological Society of America
- Contributor：Jianwei Zhou ; Nader Saffari
- Publisher：Seismological Society of America
- Date：1997-
- Format：text/html
- Language：en
- journal_abbrev：Bulletin of the Seismological Society of America
- issn：0037-1106
- volume：87
- issue：5
- firstpage：1324
- section：Articles
摘要
New absorbing boundary conditions for numerical modeling of elastic-wave propagation and scattering are constructed in terms of six prescribed wave incidences. By further constraining these prescribed incidences, we derive three types of absorbing boundary conditions all in the form of a simple second-order differential equation. These conditions have different effectiveness in absorbing compressional and shear incident waves.