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We propose a new computation model for simulating elastic thin shells at interactive rates. Existing graphical simulation methods are mostly based on dihedral angle energy functions, which need to compute the first order and second order partial derivatives with respect to current vertex positions as bending forces and stiffness matrices. The symbolic derivatives are complicated in nonisometric element...
We present our recent modeling results on power transmission through an elastic wall by piezoelectric transducers and acoustic waves. This includes the case of finite piezoelectric transducers on plates, power transmission through circular cylindrical shells, and mechanical nonlinearity due to large deformations near resonance.
Trapped energy modes of thickness twist and thickness shear vibrations in a plate have been widely used in quartz crystal devices for frequency generation and selection. Similar trapped energy modes can exist in torsional waves in a solid cylinder, axially symmetric torsional waves in a plate, torsional waves in a hollow cylinder and circumferential thickness twist waves in a hollow cylinder. Piezoelectric...
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