Recently, we have developed multi-level boundary element methods (MLBEM) for the solution of the Laplace and Helmholtz equations that involve asymptotically decaying non-oscillatory and oscillatory singular kernels, respectively. The accuracy and efficiency of the fast boundary element methods for steady-state heat diffusion and accoustics problems have been investigated for square domains. The current work extends the MLBEM methodology to the solution of Stokes equation in more complex two dimensional domains. The performance of the fast boundary element method for the Stokes flows is first investigated for a model problem in a unit square. Then, we study the performance of the MLBEM algorithm in a C-shaped domain.
A Fast Multi-Level Boundary Element Algorithm for Stokes Flows in Two-Dimensions
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Dargush, GF, & Grigoriev, MM. "A Fast Multi-Level Boundary Element Algorithm for Stokes Flows in Two-Dimensions." Proceedings of the ASME 2004 Heat Transfer/Fluids Engineering Summer Conference. Volume 2, Parts A and B. Charlotte, North Carolina, USA. July 11–15, 2004. pp. 663-674. ASME. https://doi.org/10.1115/HT-FED2004-56327
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