期刊
NUMERICAL ANALYSIS AND APPLICATIONS
卷 5, 期 2, 页码 136-143出版社
SIBERIAN BRANCH RUSSIAN ACAD SCIENCES
DOI: 10.1134/S1995423912020061
关键词
elastic wave propagation; vector potentials; finite elements; clamped boundary condition
In this article, elastic wave propagation in a homogeneous isotropic elastic medium with a rigid boundary is considered. Amethod based on the decoupling of pressure and shear waves via the use of scalar potentials is proposed. This method is adapted to a finite element discretization, which is discussed. A stable, energy preserving numerical scheme is presented, as well as 2D numerical results.
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