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A domain decomposition method for the acoustic wave equation with discontinuous coefficients and grid change. (English) Zbl 0877.35066

MSC:
35L05 Wave equation
65M99 Numerical methods for partial differential equations, initial value and time-dependent initial-boundary value problems
65N99 Numerical methods for partial differential equations, boundary value problems
65M12 Stability and convergence of numerical methods for initial value and initial-boundary value problems involving PDEs
65M55 Multigrid methods; domain decomposition for initial value and initial-boundary value problems involving PDEs
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