Propagation of Finite-Amplitude Waves in Unidirectionally Reinforced Composites

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Abstract
The behavior of unidirectionally reinforced composites under intense‐impact conditions is considered. Based on asymptotic expansions of the basic equations it is shown that the composite behavior can be asymptotically described in terms of effective conservation equations and associated jump conditions. In particular, it is found that such equations differ from the ordinary balance equations by the presence of a compaction ratio which appears as a measure of compactibility of composite materials. An effective caloric equation of state is also derived from the expansions as the weighted geometric mean of the constituent equations of state.

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