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Showing 1 to 2 of 2 for “"quadrature by expansion"”.
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Layer potential evaluations on distributed memory machines
… layer potentials with singular kernels. Quadrature by Expansion (QBX) is a quadrature method to evaluate such layer potentials accurately for targets near or on the source boundary, by forming expansions in the high-accuracy region away from the boundary, and evaluating the targets using …
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High-order numerical methods for layer potential evaluation
… associated with issues of singular/near-singular quadrature and efficient scaling. Quadrature by Expansion (QBX) is a quadrature method that addresses many of the issues encountered in the evaluation of layer potentials, by providing a high-order and kernel/dimension independent quadrature scheme …