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Orientation of element coordinate system in ANSYS

Orientation of element coordinate system in ANSYS

Orientation of element coordinate system in ANSYS

(OP)
Hi all!

The situation:
I am modelling a Marine propeller blade in Ansys. The blade outter shell or surface(don't consider the inner structure)is built in carbon fibre. I will be using Shell 99 elements for the modelling. I will be writing all comands in a script file using APDL.

The problem:
I was told to use MSC Patran instead so I can use Laminate Modeler for the fibre draping.However I would prefer to use ANSYS. In order to do so I need to do a correct fibre draping in ANSYS. I know how to orient the element coordinate system but this is not enough. I would like to know if anyone has any algorithm (written in APDL)or any other tip which will enable me to workout the orientation of the elements coordinate system in order to have a correct draping of the fibers (at least as good as the laminate modeler from MSC Patran).

Thanks in advance.

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