Laminate Composites > Laminates theory > First order shear deformation theory > Equivalent engineering properties
Coefficients of thermal expansion
Laminate equivalent coefficients of thermal distortion can also be defined according to the following equations:
Membrane Behavior
Bending Behavior
Bending-Membrane Coupling
For membrane-bending coupling behavior, the coefficients of thermal expansion are not directly computed. Rather, the expressions Gα are computed and exported to the NASTRAN MAT2 card:
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Coefficients of thermal expansion, Simcenter 3D 2021.1 Series
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Source: https://docs.sw.siemens.com/en-US/doc/289054037/PL20200601120302950.advanced/id626721 · retrieved 2026-07-17