You will need to use Ansys Composite PrepPost for modeling composite layups. Ansys Composite PrepPost (ACP) is an add-in to Ansys Workbench and is integrated with the standard analysis features. As a result, the entire workflow for a composite structure can be completed from design to final production information.
Please take a look at https://ansyshelp.ansys.com/account/Secured?returnurl=/Views/Secured/corp/v231/en/acp_tut/acp_tut.html and https://ansyshelp.ansys.com/account/Secured?returnurl=/Views/Secured/corp/v231/en/acp_ug/acp_ug.html for more information.
Please refrain from posting duplicate posts.
-Aniket
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