i am facing problems in modelling CFRP plate in impact machanics.

1-what section type is to be given(homogenious,generelized strrain etc.).

2-what element type in meshing.

i am modelling CFRP sendwitched in between aluminium plates (CARAL).

Please help me if anybody know it.

                                                       THANKS. 

hi everyone,

i am modelling  aluminium laminated cfrp using hashine damage criteria for cfrp in abaqus 6.10.after submitting the job for analysis error encouterdis showing a no. of elements can not be used for HASHIN DAMAGE INITIATION CRITERIA.

If a buddies have any clue please help me.