Using them as receivers to detect sound coming from the surrounding fluids.Using piezoelectric transducers as transmitters to radiate sound to the surrounding fluids.Typical applications usually fall into two categories: The Acoustics Module allows you to model acoustic–piezoelectric interaction problems with predefined multiphysics couplings that combine the Pressure Acoustics, Solid Mechanics, and Electrostatics interfaces. It is the only product that offers built-in features for capturing wave behavior in fluids and porous materials. The Acoustics Module includes dedicated tools for modeling wave generation and propagation in: Overview of Modules for Modeling Piezoelectricity Acoustics Module The diagram below illustrates the most commonly used features related to piezoelectricity modeling that these modules provide. There are three modules within the Structural Mechanics & Acoustics Modules branch that offer this feature for simulating piezoelectricity: The piezoelectric coupling can be formulated using either the strain–charge or stress–charge form. Both direct and inverse piezoelectric effects can be modeled. The Piezoelectricity interface combines the Solid Mechanics and Electrostatics interfaces with the constitutive relationships required to model piezoelectric phenomena. Let’s take a closer look at these different products and see what they offer. It depends on the types of materials included in the system and the specific features you want to use in the analysis. You may wonder which of the add-on modules to the COMSOL Multiphysics® software you should use to model piezoelectric devices.
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