Damage Prediction of A Composite Laminate Under Quasi-Static Indentation Force

摘要

Composite laminates were tested by using the quasistatic indentation test method. The damage onset and propagation on the laminates was recorded and modeled by using solid46 element of ANSYS. According to the test results,the first unloading point on the contact force/indenter displacement curve doesn't correspond to the initiation of delamination. By using the solid46 element of ANSYS and failure criteria,the finite element model can predict the linear section of the contact force/indenter displacement curve and the contact force of the first unloading point with good accuracy.