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Finite element methods are often used to simulate surface acoustic wave (SAW) resonators. Usually, only bi-dimensional or periodic models are practical on long resonators. The hierarchical cascading method proposed in 2016 uses the repetitive structure of a SAW resonator to obtain a computation time proportional to the logarithm of the electrode number. Using this approach, a full 3D simulation of...
The normal way to simulate SAW resonators is to use a phenomenological model like coupling of modes or P matrix. Numerical methods can also be used but are very costly in computing resources. Models based on combination of finite elements and boundary elements models are a possible approach but are mostly limited two dimensional models. Also, they are less versatile than models using only finite elements...
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