Orthotropic material properties for 3D 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, E3	Required
Poisson's Ratio (NUij)	ν12, ν13, ν23	Required
Shear Modulus (Gij)	G12, G13, G23	Required
Strength page
Tsai-Wu Interaction Coefficient (F12)		Optional	Set to 0.0.
Tsai-Wu Interaction Coefficient (F13)
Tsai-Wu Interaction Coefficient (F23)
Stress Limits group
**Tension (ST1)****Tension (ST2)**Tension (ST3)	XT, YT, ZT	Optional	Computed using the strain limit values, if defined.Set to 0.0.
**Compression (SC1)****Compression (SC2)**Compression (SC3)	XC, YC, ZC
**Shear (SS12)****Shear (SS13)**Shear (SS23)	S12, S13, S23
Strain Limits group
**Tension (XT1)****Tension (XT2)**Tension (XT3)	XTε, YTε, ZTε	Optional	Computed using the stress limit values, if defined.Set to 0.0
**Compression (XC1)****Compression (XC2)**Compression (XC3)	XCε, YCε, ZCε
**Shear (XS12)****Shear (XS13)**Shear (XS23)	Sε12, Sε13, Sε23
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, α3	Optional	Set to steel: 1.18e-5 m/m/°C
Thermal Conductivity	K11, K22, K33	Optional	Set to steel: 45 J/°K/m/sec

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

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