Transient response of an elastic plate on crushable material striking a rigid boundary
作者： Michael El-Raheb
DOI: 10.1016/J.IJSOLSTR.2008.03.010
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摘要: Abstract Transient response of an elastic plate on crushable material striking a rigid boundary is analyzed. The approximated by discrete chain masses and non-linear springs with properties from the constitutive law material. Plate elasticity are uncoupled. Deceleration impact assumes but massive plate. pressure deceleration then applied to evaluate its response. Prior arrest, when strike boundary, temporary drop in observed depending relative density ρ ˜ = f / s where parent densities. This absent strikes at rest. Measured modulated oscillations amplitude obliquity angle setup as it boundary. difference between “moving-crushable” “fixed-crushable” configurations substantial form magnitude. A 2D model strip intermediate flexible supports models thin electronic board transmitted boundaries frame mounted
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