材料属性参数说明
MAT1 - Material Property Definition, Form 1Defines the material properties for linear, temperature-independent, isotropic materials.
MID Unique material identification number (Integer > 0).
E Young’s Modulus (Real or blank).
G Shear Modulus (Real or blank).
NU Poisson’s Ratio (-1.0 < Real < 0.5 or blank).
RHO Mass density (Real).
A Thermal expansion coefficient (Real).
TREF Reference temperature for thermal loading. Default=0.0 (Real).
ST, SC, SSStress limits in tension, compression and shear. Used for composite ply failure calculations (Real).
MAT2 - Material Property Definition, Form 2
Defines the material properties for linear, temperature-independent, anisotropic materials for two-dimensional elements.
MIDUnique material identification number (Integer > 0).
GijThe material property matrix (Real).
RHOMass density (Real).
AiThermal expansion coefficient vector (Real).
TREFReference temperature for the calculation of thermal loads (Real or blank) (See Remark 6).
ST, SC, SSStress limits in tension, compression and shear. Used for composite ply failure calculations (Real).
MAT8 - Material Property Definition, Form 8
Defines the material property for an orthotropic material for two-dimensional elements.
MID Material ID (Integer > 0)
E1Modulus of elasticity in longitudinal direction (also defined as fibre direction or 1-direction) (Real 0.0).
E2Modulus of elasticity in lateral direction (also defined as matrix direction or 2-direction) (Real 0.0).
NU12Poisson’s ratio ( for uniaxial loading in 1-direction). Note that for uniaxial loading in 2-direction is related to by the relation . (Real).
G12 Inplane shear modulus (Real > 0.0).
G1,Z Transverse shear modulus for shear in 1-Z plane (Real > 0.0 or blank).
G2,Z Transverse shear modulus for shear in 2-Z plane (Real > 0.0 or blank).
RHO Mass density (Real).
A1 Thermal expansion coefficient in 1-direction (Real).
A2 Thermal expansion coefficient in 2-direction (Real).
TREFReference temperature for the calculation of thermal loads (Real or blank) (See Remark 3).
Xt, Xc, Yt, YcAllowable stresses or strains in the longitudinal and lateral directions. Used for composite ply failure calculations (Real > 0.0).
S Allowable for in-plane shear for composite ply failure calculations (Real > 0.0).
F12 Tsai-Wu interaction term for composite failure (Real).
STRNIndicates whether Xt, Xc, Yt or Yc are stress or strain allowables (Real=1.0 for strain allowables).
MAT9 - Material Property Definition, Form 9
Defines the material properties for linear, temperature-independent, anisotropic materials for solid elements.
MIDUnique material identification number (Integer > 0).
GijThe material property matrix (Real).
RHOMass density (Real).
AiThermal expansion coefficient vector (Real).
TREFReference temperature for the calculation of thermal loads (Real or blank) (See Remark 5).
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