Error Analysis for Absorbing Boundary Conditions

نویسندگان

  • Laurence Halpern
  • Jeffrey Rauch
چکیده

An estimate is derived for the error committed by the introduction of artificial boundaries and corresponding artificial boundary conditions when solving wave equations on unbounded domains. The estimate has two terms. One is proportional to the largest reflection coefficient for the artificial boundary condition, the maximum taken only on those rays which appear in the computation. The second term is proport ional to 1/k where k is a measure of the average frequency present in the solution.

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تاریخ انتشار 2005