Transcription of Piezoelectric Simulations - COMSOL Multiphysics
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Piezoelectric Simulations - COMSOL Multiphysics
Piezoelectric SimulationsOutline Overview Examples Relevant Products Useful FeaturesOverviewIndustries Using Piezoelectric DevicesPiezoelectric DevicesAerospaceAutomotiveAcousticsBiome dicalMEMSOil & GasPiezoelectric Devices Synthetic Jet Inkjet Printer Active Valves Micro Pump Flow Sensor SONAR Hydrophone Speaker Microphone Hearing Aid RF MEMS Switch SAW Filter BAW Filter Tunable Cavity Filter Linear and Rotary Motors Position Controller Accelerometer Gyroscope Load Cell Pressure Sensor Energy HarvesterActuators and SensorsRF MEMSFlow ControlAcoustic DevicesPiezoelectric EffectVoltageDisplacementForceVoltageInv erse effectDirect effectCoupled Constitutive EquationsEeSDEeScTSTE T= stress;S= strainE= electric fieldD= electric displacementcE= elasticity matrix (rank 4 tensor cijkl)e= coupling matrix (rank 3 tensor eijk) S= permittivity matrix (rank 2 tensor ij)EdTDEdTsSTTE Stress-Charge FormStrain-Charge FormTETSEEE ddsdsesc111 In COMSOL , you can choose any one of these equation forms based on the material data you haveExamplesA PiezoceramicTubeThis model performs a static 2D axisymmetric analysis of a Piezoelectric actuator.
c E = elasticity matrix (rank 4 tensor c ijkl) ... –Obtain impedance (Z), admittance (Y) and S-parameters • Terminal Sweep –Feature for obtaining lumped parameter matrix in a multi-terminal system • Electrical Circuit –Interface to create a lumped electrical circuit
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