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Report 1999-11

Advanced boundary element algorithms

C. Lage and C. Schwab

Abstract: We review recent algorithmic developments in the boundary element method (BEM) for large scale engineering calculations. Two classes of algorithms, the clustering and the wavelet-based schemes are compared. Both have $O(N(\log N)^a)$ complexity with some small $a \ge 0$ and allow in-core simulations with up to $N = O(10^6)$ DOF on the boundary on serial workstations. Clustering appears more robust for complex surfaces.

Paper: Available as PDF (413 KB) or as hardcopy to order reports@sam.math.ethz.ch.

Publishing information: to appear in: Highlights of the MAFELAP X Conference, J. Whiteman (ed.), Elsevier Publ. (2000)

 

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