The question is, can I treat a Carbon/Epoxy pre-preg fabric as transversely isotropic? If not, how do you determine the shear modulus of the fabric, G12? MIL-HDBK-17 does not list G12 in the tables of properties for various pre-pregs, so I assume there must be an easy way to determine it, such...
I am trying to model a composite plate in ANSYS using SHELL91 or SHELL 99 elements and it seems that the results are highly dependent on the mesh no matter how fine or 'clean' the mesh is. I have tried many variations of mapped and free meshes with different area divisions, and I seem to get...
