Wave Equation Simulation by Finite-Element Method with Perfectly Matched Layer

Hong Wei Guo; Shang Xu Wang; Nai Chuan Guo; Wei Chen

doi:10.4028/www.scientific.net/AMR.524-527.96

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 524-527Wave Equation Simulation by Finite-Element Method...

Wave Equation Simulation by Finite-Element Method with Perfectly Matched Layer

Abstract:

In numerical simulation, the treatment of boundary conditions is of great significance. In this paper, we have deduced the one order governing equations of the acoustic wave finite-element method with perfectly matched layer (PML) for the first time. The one order equations are easier to realize than the two order form and have a good absorption effect. Then, we have analyzed the absorption effect of the absorbing boundary conditions (ABCs) and the PML. Finally, we get some useful conclusions.

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Periodical:

Advanced Materials Research (Volumes 524-527)

Pages:

96-100

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.524-527.96

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Online since:

May 2012

Authors:

Hong Wei Guo, Shang Xu Wang, Nai Chuan Guo, Wei Chen

Keywords:

Finite Difference Method (FDM), Finite Element Method (FEM), Perfectly Matched Layer

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