Abstract
In this talk, we present a parallel Helmholtz solver for the solution of acoustic and structural acoustic problems in the frequency domain. The solver is based on overlapping Schwarz domain decomposition concepts for parallelism, and artificial structural damping is introduced in the preconditioner to deal with resonant or near resonant conditions at the subdomain level. An efficient method to solve problems over a range of frequencies is also described. Numerical examples are presented for acoustic and structural acoustic problems, as well as a study of solver performance for higher order finite element discretizations.
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