Defining contact between composite and rigid body

Hello,

I am running a simulation where a composite panel is being constrained by a rigid body, and I am having trouble properly defining the contact between the bodies. I created the composite in ACP Pre and the rigid body in Mechanical Model, and combined them in Static Structural like so:

I am running a three-point bending test and a perimeter shear test, and in both cases the force-applying body clips through the composite panel:

As you can see, the cylinder in the shear test completely ignores the contact with the composite, while in the three-point test I was able to improve the contact by increasing the normal stiffness factor to 5. I currently have contact regions between the bodies set as frictionless. What would be the best method to ensure that there is correct contact between the composite and the rigid bodies? Thank you in advance.

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