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 FormStrai
•Accelerometer •Gyroscope •Load Cell •Pressure Sensor •Energy Harvester Actuators and Sensors RF MEMS Flow Control Acoustic Devices. Piezoelectric Effect Voltage Displacement Force Voltage Inverse effect Direct effect. Coupled Constitutive Equations D eS E T c S e E S T E H T = stress; S = strain
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