Numerical simulation of time-harmonicscattering problems with an optimal PML

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A. Bermúdez
A. Prieto
L. Hervella-Nieto
Rodolfo Rodríguez

Resumen

We present an optimal bounded Perfectly Matched Layer (PML) by choosing a particular absorbing function with unbounded integral. With this choice, any spurious reflection is avoided even when the thickness of the layer is finite. We show that such choice is easy to implement in a finite element method and overcomes the dependency of parameters for the discrete problem. Finally, we presents some numerical tests.

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Bermúdez, A., Prieto, A. ., Hervella-Nieto, L., & Rodríguez, R. (2025). Numerical simulation of time-harmonicscattering problems with an optimal PML. Scientia, 13, 58-71. https://doi.org/10.71712/