Learning Forum

[Andres Mayorga]

Hello all,

I am trying to replicate a double lap shear tensile test we did on a composite coupon to check for adhesive failure but I am having issues setting up the bonded interactions between the composite shell and adhesive body.

I set my composite coupon as a surface and did a solid body for the adhesive, as shown below:

For my bonded interactions, I did this:

But the premilinary results I get show like if only 1 side of the composite surface is bonded:

I also tried to set the bonded interactions as 1 command, but I get the same results when I use a surface.

Also, if I suppress the side that looks bonded and leave the other side as is, I get the same mirrored results.

I believe is something related with the surfaces because I did the same test with solid bodies (no surfaces) and the premilinary results look more realistic:

Any ideas what I could be doing wrong?

[ErKo]

Hi

I would suggest to use solsh190 elements (soild shells) instead of only shell elements - see here what solsh190 are and how to mesh with them.

/forum/forums/topic/element-solsh190/

Than it is also much easier to use bonded contact between them since both have a 3D geometry representation.

All the best

Erik

[Andres Mayorga]

Imported composites as solids from ACP and that worked! thanks for your help.