Abstract
A simulation tool based on P-Matrix model is presented. This tool is designed to be efficient and precise and to take into account for various phenomena such as : capacitive solver, resistive losses, SAW directivity, multi-modes analysis, acoustic energy and charge distribution, frequency dependent parameters. General description of every feature is given and some examples are presented. Emphasis is put on resonator design using altogether multi-mode simulation, transducer apodization and natural SAW directivity. Finally the acoustic energy distribution of a DMS on LiTaO3 is compared to experiment with the aid of a finite transducer simulation.
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