Piezoelectric Models
These material property groups for piezoelectric materials are used by the Acoustics Module, MEMS Module, and Structural Mechanics Module.
Table 9-21: Piezoelectric Material property groups and properties.
Property Group and Property
Name/Variable
SI Unit
Strain–Charge Form
 
Compliance matrix
sE
1/Pa
Coupling matrix
dET
C/N
Loss factor for compliance matrix
sE
1
Loss factor for coupling matrix
d
1
Loss factor for electric permittivity
εT
1
Relative permittivity
epsilonrT
1
Stress–Charge Form
 
Coupling matrix
eES
C/m2
Elasticity matrix
cE
Pa
Loss factor for elasticity matrix
cE
1
Loss factor for coupling matrix
e
1
Loss factor for electric permittivity
εS
1
Relative permittivity
epsilonrS
1