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Wendy Kress, Stefan Sauter, Numerical treatment of retarded boundary integral equations by sparse panel clustering, IMA Journal of Numerical Analysis, Volume 28, Issue 1, January 2008, Pages 162–185, https://doi.org/10.1093/imanum/drm021
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Abstract
We consider the wave equation in a boundary integral formulation. The discretization in time is done by using convolution quadrature techniques and a Galerkin boundary element method for the spatial discretization. In a previous paper, we have introduced a sparse approximation of the system matrix by cut-off, in order to reduce the storage costs. In this paper, we extend this approach by introducing a panel clustering method to further reduce these costs.
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© The author 2007. Published by Oxford University Press on behalf of the Institute of Mathematics and its Applications. All rights reserved.
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