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X-WR-CALNAME:Mathematical Sciences Department, Numerical Methods Seminar - Bowei (Bobbie) Wu, UMass Lowell "A simple and accurate numerical method for singular and near-singular integration" (SH106)
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SUMMARY: Mathematical Sciences Department, Numerical Methods Seminar - Bowei (Bobbie) Wu, UMass Lowell "A simple and accurate numerical method for singular and near-singular integration" (SH106)
DESCRIPTION:
Mathematical Sciences Department
Numerical Methods Seminar
Bowei Wu, UMass Lowell
Thursday, April 13, 2023
11:00 am - 12:00 pm
Stratton Hall 106
Title: A simple and accurate numerical method for singular and near-singular integration
Abstract: Boundary Value Problems (BVPs) are ubiquitous in engineering and scientific applications. One of the most robust and accurate methods for solving BVPs is the Boundary Integral Equation Method, which has the great advantage of dimensionality reduction: all of the unknowns reside on the boundary surface instead of in the volume. A key challenge when solving integral equations is that special quadrature methods are required to discretize the underlying singular and near-singular integral operators. Accurate discretization of these operators is especially important in, for example, problems that involve close structure-structure or fluid-structure interactions. In this talk, we present some recent advancements on singular and near-singular numerical integration based on one of the simplest quadrature methods -- the Trapezoidal rule.
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