A PML for electroacoustic waves in piezoelectric materials using FDTD

A perfectly matched layer (PML) is introduced for elastodynamic waves in piezoelectric materials. A matching condition is derived for the PML equations to reduce spurious reflections from the boundary. The finite difference time domain (FDTD) is used to model the propagation of the wave in the piezoelectric material. The results show good performance of the proposed PML boundary. © 2011 ACES.