Formulation and validation of Berenger's PML absorbing boundary for the FDTD simulation of acoustic scattering

  title={Formulation and validation of Berenger's PML absorbing boundary for the FDTD simulation of acoustic scattering},
  author={Xiaojuen Yuan and David T. Borup and J. Wiskin and Mikael Berggren and Richard S Eidens and Sean Johnson},
  journal={IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control},
Berenger's perfectly matched layer (PML) absorbing boundary condition for electromagnetic (EM) waves is derived to absorb 2-D and 3-D acoustic waves in finite difference time domain (FDTD) simulation of acoustic wave propagation and scattering. A PML medium suitable for acoustic waves is constructed. Plane wave propagation in the PML medium is solved for both 2-D and 3-D cases and explicit FDTD boundary conditions are derived. The equations show that a matched PML medium is a perfect simulation… CONTINUE READING
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