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The material properties for composite materials are different than typical isotropic materials, because different directions have different some material properties depend on direction. Also, monocoque typically have a sandwich structure consisting of carbon fiber layups surrounding an aluminum core. The following steps show how to enter orthotropic properties into ANSYS.

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Here are the corresponding properties for this material:

E1 Ex = 8500000 psi
E2 Ey = 8500000 psi
Ez = 1000000 psi
Gxy = 560000 psi
Gxz = 830000 psi
Gyz = 560000 psi
Vxy = 0.06
Vyz = 0.06
Vxz = 0.06
Gxy = 560000 psi
Gyz = 560000 psi
Gxz = 830000 psi

This type of composite is weaved, so you have to define that as well, go to  Physical Properties  > (Drag) Density and Ply Type on to the new material.
In Property out line select  Woven&nbsp from the pull down menu.

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