Abstract
A theoretical analysis is presented which examines the dynamic response of thin rectangular plates struck transversely by a wedge. The analysis employs a pure membrane model with two traveling hinge phases. Material strain rate sensitive effects are considered with the aid of the Cowper-Symonds equation and the Perrone and Bhadra's approximation. A new phenomenon called effective area ratio has been found for relatively narrow plates. The displacement produced by traveling hinge phases is significant and dominant for high speed impact. Good agreement between the theoretical predictions and the experimental results has been obtained on the maximum permanent deflections for various impact energies.
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