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The paper presents a new Rapid Acoustic Boundary Element Method (RABEM) utilizing a Hierarchical GMRES solver for solving 3D acoustic problems. It incorporates Adaptive Cross Approximation (ACA) to efficiently generate system matrices and evaluate potential and particle velocity at internal points, achieving significant reductions in CPU time for both low and high frequency problems. The method is demonstrated to outperform traditional Fast Multipole Methods in specific applications, including noise analysi

Author

Jihuan Tian

Language

EN