![]() Let's go through the step by step tutorial and see how to simulate this PZT Disc in OnScale! Step 1 - Create a New Project In the results, the model will appear as a half cylinder when plotted in the post processor. It is a 2D axi-symmetric model, which means that our model will be in 2D, but it will be transformed by the solver into a 3D model by automatically revolving the 2D model around the given Symmetry Axis (Y-Axis here). The model is a Disc in Lead Zirconate Titanate (PZT) inside a cylindrical water tank. The water around the PZT Disc will vibrate according to the vibration of the disc. In this simulation we will apply 2 electrodes on both sides of the PZT Disk and observe the deformation of the disc in function of the voltage load applied. PZT material is a piezo-electric material, it can thus deform under a certain voltage. You can check this page if you want to understand the relation between those parameters. Note: Material Data in OnScale are generally defined using the bulk velocity and the shear velocity parameters instead of the more traditional Elastic Modulus and Poisson's Ratio. Time History of Acoustic Pressure on top of the disc at mm It is used in a number of practical applications such as ultrasonic transducers and piezoelectric resonators. Also called PZT, it is a ceramic perovskite material that shows a marked piezoelectric effect, meaning that the compound changes shape when an electric field is applied. ![]() What is PZT?: Lead zirconate titanate is an inorganic compound with the chemical formula PbO3 (0≤x≤1). ![]()
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