Domain Decomposition Techniques for Boundary Elements

Domain Decomposition Techniques for Boundary Elements

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The sub-domain techniques in the BEM are nowadays finding its place in the toolbox of numerical modellers, especially when dealing with complex 3D problems. We see their main application in conjunction with the classical BEM approach, which is based on a single domain, when part of the domain needs to be solved using a single domain approach, the classical BEM, and part needs to be solved using a domain approach. This has usually been done in the past by coupling the BEM with the FEM, however, it is much more efficient to use a combination of the BEM and a BEM sub-domain technique. The advantage arises from the simplicity of coupling the single domain and multi-domain solutions, and from the fact that only one formulation needs to be developed, rather than two separate formulations based on different techniques. There are still possibilities for improving the BEM sub-domain techniques. However, considering the increased interest and research in this approach we believe that BEM sub-domain techniques will become a logical choice in the future substituting the FEM whenever an efficient solution requires coupling of the BEM with a domain technique.CIMNE, GID, The Personal Pre/Postprocessor Manual, International Center for Numerical Methods in Engineering, Barcelona, Spain. ... Duff, I.S., ME28: A Sparse Unsymmetric Linear Equation Solver for Complex Equations, Technical report, anbsp;...


Title:Domain Decomposition Techniques for Boundary Elements
Author: L. Škerget, H. Power, Viktor Popov
Publisher:WIT Press - 2007
ISBN-13:

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