Materials
Materials used are summarized here. Make sure the values you are using are identical.
PZT8
rho = 7600 kg·m-3
; s11E = 11.1·10-12
; s12E = -3.7·10-12
; s12E = -4.8·10-12
; s33E = 13.9·10-12
; s44E = 35.0·10-12
N/m2
d15 = 400·10-12
; d31 = -93·10-12
; d33 = 218·10-12
C/N
epsilon11T = 1100
; epsilon11T = 1100
deltam = 0.001
; deltap = 0
; deltad = 0.004
STEEL
E = 210·109 N/m2
; nu = 0.285
; rho = 7800 kg·m-3
E" = 0 ; nu" = 0
ALUMINUM
E = 71.4·109 N/m2
; nu = 0.344
; rho = 2780 kg·m-3
E" = 0 ; nu" = 0
WATER
K = 2.22·109 N/m2
; rho = 1000 kg·m-3
K" = 0