WIT Press


Efficient Domain Calculation In Direct Boundary Element Method

Price

Free (open access)

Paper DOI

10.2495/BE980201

Volume

21

Pages

12

Published

1998

Size

1,008 kb

Author(s)

L. Gaul, M. Wagner & W. Wenzel

Abstract

A new procedure for calculating field variables with the boundary element method (BEM) is outlined. In the conventional BEM (CBEM) field vari- ables are computed as post-processing by recurrently solving the boundary integral equation with known boundary data for every field point of inter- est. This procedure is very time-consuming. On the other hand, newly developed hybrid boundary element formulations (HBEM) based on varia- tional principles compute field variables from the known boundary solution by using fundamental solutions as field approximation. The advantage of the HBEM method is that the related system matrices are symmetric by construction but the computational effort to obtain the boundary solution is higher than in conventional bo

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