Piezoelectric actuator
(Bimorph laminar design based on d31)


Bimorph actuation


Vertical displacement field distribution
(deformed state 2500 times magnified)
Vertical displacement field distribution


Analytical evaluation (by V.Piefort)



Comparison of different solutions
d31 = -1.75 10-10 [m/V],   f   =  100 [V],   L/h = 5
 

uz [m m]

Analytics -0.657
Scalar potential formulation -0.676
Vector potential formulation -0.655


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