Orthotropic material properties for 2D elements

The following table shows which properties are required by Laminate Composites and which values are assumed for undefined optional properties.

Orthotropic Property	Component	Required / Optional	If undefined
Mass Density (RHO)		Optional
Mechanical page
Young's Modulus (Ei)	E1, E2	Required
Poisson's Ratio (NUij)	ν12	Required
Shear Modulus (Gij)	G12, G13, G23	Optional
Strength page
Tsai-Wu Interaction Coefficient (F12)		Optional	Set to 0.0.
Stress Limits group
**Tension (ST1)**Tension (ST2)	XT, YT	Optional	Computed using the strain limit values, if defined.Set to 0.0.
**Compression (SC1)**Compression (SC2)	XC, YC
Shear (SS12)	S
Strain Limits group
**Tension (XT1)**Tension (XT2)	XTε, YTε	Optional	Computed using the stress limit values, if defined.Set to 0.0
**Compression (XC1)**Compression (XC2)	XCε, YCε
Shear (XS12)	Sε
Thermal/Electrical page
Temperature (TREF)		Optional	Overridden by the laminate Reference Temperature, if defined.
Specific Heat (CP)		Optional	Set to 0.0.
Thermal Expansion Coefficient	α1, α2	Optional	Set to steel: 1.18e-5 m/m/°C
Thermal Conductivity	K11, K22	Optional	Set to steel: 45 J/°K/m/sec

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Orthotropic material properties for 2D elements, Simcenter 3D 2021.1 Series

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