期刊
COMPUTATIONAL MECHANICS
卷 44, 期 1, 页码 31-44出版社
SPRINGER
DOI: 10.1007/s00466-008-0353-4
关键词
Boundary element method; Scalar wave equation; Initial conditions; D-BEM
This work is concerned with the development of a D-BEM approach to the solution of 2D scalar wave propagation problems. The time-marching process can be accomplished with the use of the Houbolt method, as usual, or with the use of the Newmark method. Special attention was devoted to the development of a procedure that allows for the computation of the initial conditions contributions. In order to verify the applicability of the Newmark method and also the correctness of the expressions concerned with the computation of the initial conditions contributions, four examples are presented and the D-BEM results are compared with the corresponding analytical solutions.
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