Numerical modeling of the stress-strain state of a ceramic plate under impact loading

The impact interaction of a steel spherical striker with a ceramic thick-walled plate is considered. The dynamic stress-strain state is determined using a nonlinear finite element calculation model, which takes into account the variable area of ??the contact spot of the interacting bodies. The calculation technique makes it possible to determine the critical stress-strain state and the nature of spallation failure of a ceramic plate. The proposed calculation model is built and tested in the FEMAP NASTRAN software package.
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