Stability of wide-angle absorbing boundary conditions for the wave equation

Rosemary Renaut, J. Petersen

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

Numerical solution of the two-dimensional wave equation requires mapping from a physical domain without boundaries to a computational domain with artificial boundaries. For realistic solutions, the artificial boundaries should cause waves to pass directly through and thus mimic total absorption of energy. An artificial boundary which propagates waves in one direction only is derived from approximations to the one-way wave equation and is commonly called an absorbing boundary. Here we investigate order 2 absorbing boundary conditions which include the standard paraxial approximation. -from Authors

Original languageEnglish (US)
Pages (from-to)1153-1163
Number of pages11
JournalGeophysics
Volume54
Issue number9
DOIs
StatePublished - 1989

ASJC Scopus subject areas

  • Geochemistry and Petrology

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