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The material properties for composite material are different than typical isotropic materials, because different directions have different material properties. Also, monocoque typically have a sandwich structure consists of carbon fiber and aluminum core. Steps blow shows how to enter orthotropic properties into Ansys.

T300 Weave

Double click  Engineering Data 

Add a new material by click into the text box, and name the material "T300 weave"

To enter an orthotropic material property, go to  Linear Elastic  > (Drag) Orthotropic Elasticity onto the new material. A lists of property information will appear in the Property Outline as shown below:

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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.

Next step, we need to define the stress limits and tsai-wu constants for failure analysis.
Expand  Strength&nbsp > (Drag) Orthotropic Stress Limits and Tsai-Wu Constants on to the new material, and the properties are shown below:

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following video shows how to mesh composite material and how to attach line bodies to surfaces

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Go to Step 4: Physics Setup

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