Perfectly matched layer stability in 3-D finite-difference time-domain simulation of electroacoustic wave propagation in piezoelectric crystals with different symmetry class

Omar Ariel Nova Manosalva (1, 2) , Michel Ney (3, 1) , Nestor Pena (2)

1 MO - Département Micro-Ondes
2 Uniandes - Dept. Electrical and Electronic Engineering (Universidad de los Andes)
3 Lab-STICC_TB_MOM_PIM

Perfectly matched layer stability in 3-D finite-difference time-domain simulations is demonstrated for two piezoelectric crystals: barium sodium niobate and bismuth germanate. Stability is achieved by adapting the discretization grid to meet a central-difference scheme. Stability is demonstrated by showing that the total energy of the piezoelectric system remains constant in the steady state.

Mots clés: Perfectly matched layer (PML); Finite-difference time-domain (FDTD); Stability; Piezoelectric

Domaines: Electronique

Omar Ariel Nova Manosalva, Michel Ney, Nestor Pena. Perfectly matched layer stability in 3-D finite-difference time-domain simulation of electroacoustic wave propagation in piezoelectric crystals with different symmetry class. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 2015, 62 (3), pp.600 - 603. ⟨10.1109/TUFFC.2014.006831⟩. ⟨hal-01174283⟩