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Accurate, robust and accelerated implementation of the mass-loading effect in non-periodic micro-acoustic device structures continues to be a challenging undertaking. Existing works, nearly exclusively, apply the (Finite Element Method) FEM / (Boundary Element Method) BEM hybrid technique to periodic structures. Application of the FEM/BEM to non-periodic structures is excessively time consuming and...
In this paper, we develop a theoretically rigorous method to fundamentally eliminate the low-frequency breakdown problem. The key idea of this method is that the original frequency-dependent deterministic problem can be rigorously solved from a generalized eigenvalue problem that is frequency independent. Hence, the lowfrequency breakdown problem is naturally bypassed. In addition, we found that the...
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