
doi: 10.1137/0917008
The author presents two preconditioners for boundary integral equations on nearly symmetric domains. The first preconditioner is obtained by discretizing the integral equation on a related symmetric domain. The second one is derived by solving a minimization problem. Numerical examples demonstrate the efficiency of the proposed preconditioners used within the generalized minimal residual (GMRES) method.
Iterative numerical methods for linear systems, numerical examples, Numerical computation of matrix norms, conditioning, scaling, Boundary element methods for boundary value problems involving PDEs, GMRES, generalized minimal residual method, preconditioners, Boundary value problems for second-order elliptic equations, boundary element methods, boundary integral equations
Iterative numerical methods for linear systems, numerical examples, Numerical computation of matrix norms, conditioning, scaling, Boundary element methods for boundary value problems involving PDEs, GMRES, generalized minimal residual method, preconditioners, Boundary value problems for second-order elliptic equations, boundary element methods, boundary integral equations
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