Finite Element Analysis of Y+41 LiNbO3 Based on SAW Resonators Including Perfectly Matched Layer

Maouhoub, S.; Aoura, Youssef; Fahime, Benaissa El; Radouani, Mohammed; Mir, Abdellah

doi:10.14445/22315381/ijett-v7p243

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2014

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“…The technique of PML keeps improving, and there exist various formulations enhancing its performance for certain problems. Concerning the use of a full-FEM/PML approach to the simulation of SAW devices, we refer to [4], [9], [10].…”

Section: Introductionmentioning

confidence: 99%

Fast full-FEM computation of COM parameters. Application to multilayered SAW structures

Shaposhnikov

Nicolay

2014

2014 IEEE International Ultrasonics Symposium

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We consider a problem of waves propagation in a multi-layered piezoelectric substrate under a periodic electrode grating utilizing a full-FEM approach for a unit cell with periodic boundary conditions. The perfectly matched layer is employed in order to truncate the computational domain. The simulations are done for the structures containing one-and two-layered piezoelectric substrates. The COM parameters obtained by the proposed model are compared with those extracted using a FEM/BEM technique.

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Section: Introductionmentioning

confidence: 99%