quasi-static indenation test simulation in ansys Question ?

Dear all,

I have aproblem with contact peoblem.

I am working in indentation in composite laminate plate the simulation was done using ANSYS. i define surface to surface contact between the rigid indneter and the laminate plate. then, a small displacemnt is applied to the indenter (.005mm) to check the conatct condition.

THE problem?

when applying this small displacemnt i get very large penetration of indneter in the specimen. and i don't know why?

If any one can help me?

Regards

Ahmed