Micro-machined Ultrasonic Transducers are sophisticated devices which must take into account 3D effects, multiple element types and nonlinear performance. The capabilities of OnScale is demonstrated by the simple 2D axisymmetric CMUT model which is setup with a variety of design conditions: an initial bias voltage under atmospheric pressure using contact elements to allow Collapse mode operation and shell elements for the membrane layer to overcome the thickness:width ratio.


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