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Dynamic Response of Local Indentation of Sandwich Constructions under Low-Velocity Impact

Sandwich constructions with a lightweight core are more and more widely applied, which are liable to local indentation when subjected to concentrated loading. Dynamic response of sandwich constructions under low-velocity impact is predicted based on the quasi-static indentaion law in our previous study, and the equations of motion are obtained based on damping-mass models. The analytical solutions show a good agreement with numerical ones using the ABAQUS code.