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An interior penalty discontinuous Galerkin method for the time-domain acoustic-elastic wave interaction problem
- Publication Year :
- 2019
-
Abstract
- In this paper, we consider numerical solutions of a time domain acoustic-elastic wave interaction problem which occurs between a bounded penetrable elastic body and a compressible inviscid fluid. It is also called the fluid-solid interaction problem. Firstly, an artificial boundary is introduced to transform the original transmission problem into a problem in a bounded region, and then its well-posed results are presented. We then employ a symmetric interior penalty discontinuous Galerkin method for the solution of the reduced interaction problem consisting of second-order wave equations. A priori error estimate in the energy norm is presented, and numerical results confirm the accuracy and validity of the proposed method.<br />Comment: Submitted to ESAIM M2AN
- Subjects :
- Mathematics - Numerical Analysis
Computer Science - Numerical Analysis
Subjects
Details
- Database :
- arXiv
- Publication Type :
- Report
- Accession number :
- edsarx.1903.01834
- Document Type :
- Working Paper