EPSX |
X Normal strain |
EPSY |
Y Normal strain |
EPSZ |
Z Normal strain |
GMXY |
Shear strain in Y direction on YZ plane |
GMXZ |
Shear strain in Z direction on YZ plane |
GMYZ |
Shear strain in Z direction on XZ plane |
ESTRN |
Equivalent strain |
SEDENS |
Strain energy density |
ENERGY |
Total strain energy |
E1 |
Normal strain in the first principal direction |
E2 |
Normal strain in the second principal direction |
E3 |
Normal strain in the third principal direction |
Equivalent strain (ESTRN) is defined as:
ESTRN=2 [(ε1+ε2)/3](1/2)
Where:
ε1 = 0.5 [(EPSX - ε*)2 + (EPSY - ε*)2 + (EPSZ - ε*)2]
ε2 = [(GMXY)2 + (GMXZ)2 + (GMYZ)2] / 4
ε* = (EPSX + EPSY + EPSZ) / 3