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PARALLEL HIERARCHICAL MATRIX PRECONDITIONERS FOR THE CURL-CURL OPERATOR
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作者 mario bebendorf Joerg Ostrowski 《Journal of Computational Mathematics》 SCIE CSCD 2009年第5期624-641,共18页
This paper deals with the preconditioning of the curl-curl operator. We use H(curl)- conforming finite elements for the discretization of our corresponding magnetostatic model problem. Jumps in the material paramete... This paper deals with the preconditioning of the curl-curl operator. We use H(curl)- conforming finite elements for the discretization of our corresponding magnetostatic model problem. Jumps in the material parameters influence the condition of the problem. We will demonstrate by theoretical estimates and numerical experiments that hierarchical matrices are well suited to construct efficient parallel preconditioners for the fast and robust iterative solution of such problems. 展开更多
关键词 Computational electromagnetism PRECONDITIONERS Hierarchical matrices Parallelization.
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