Perfectly Matched Layer for the Wave Equation Finite Difference Time Domain Method
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概要
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The perfectly matched layer (PML) is introduced into the wave equation finite difference time domain (WE-FDTD) method. The WE-FDTD method is a finite difference method in which the wave equation is directly discretized on the basis of the central differences. The required memory of the WE-FDTD method is less than that of the standard FDTD method because no particle velocity is stored in the memory. In this study, the WE-FDTD method is first combined with the standard FDTD method. Then, Berenger's PML is combined with the WE-FDTD method. Some numerical demonstrations are given for the two- and three-dimensional sound fields.
- 2012-07-25
著者
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Tsuchiya Takao
Department Of Electronic Engineering Okayama Universiy
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Miyazaki Yutaka
Department of Information Systems Design, Doshisha University, Kyotanabe, Kyoto 610-0321, Japan
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