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Solid Mechanics Material Properties: Geomechanics Material Model
These material property groups for material models in solid mechanics (including their associated physical properties) can be added to models from the
Material
window. These property groups are used by the Geomechanics Module.
Table 9-16:
Geomechanics Models Materials
Property Group and Property
Name/Variable
SI Unit
Drucker-Prager
Drucker-Prager alpha coefficient
alphaDrucker
1
Drucker-Prager k coefficient
kDrucker
Pa
Hoek Brown
Hoek-Brown m parameter
mHB
1
Hoek-Brown s parameter
sHB
1
Geological strength index
GSI
1
Disturbance factor
Dfactor
1
Intact rock parameter
miHB
1
Lade-Duncan
Lade-Duncan k coefficient
kLade
1
Matsuoka-Nakai
Matsuoka-Nakai mu coefficient
muMatsuoka
1
Mohr-Coulomb
Cohesion
cohesion
Pa
Angle of internal friction
internalphi
rad
Ottosen
Ottosen a parameter
aOttosen
1
Ottosen b parameter
bOttosen
1
Size factor
k1Ottosen
1
Shape factor
k2Ottosen
1
Yield Stress Parameters
Uniaxial tensile strength
sigmaut
Pa
Uniaxial compressive strength
sigmauc
Pa
Biaxial compressive strength
sigmabc
Pa