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Journal of Applied Mechanics and Technical Physics

2017 year, number 4

Inertialаstage of Bar Buckling under Longitudinal Compression

M. A. Il'gamov1,2
1Blagonravov Institute of Mechanical Engineering, Moscow, 117901 Russia
2Mavlyutov Institute of Mechanics, Ufa, 450054 Russia
Keywords: стержень, динамическое сжатие, инерционные и упругие силы, динамическое выпучивание, bar, dynamic compression, inertial and elastic forces, dynamic buckling

Abstract

The problem of dynamic buckling of a bar under the influence of a compressive force is solved with inclusion of inertial and elastic forces in different stages of the process. The duration of the inertial phase is determined. It is shown that in solids and gas-liquid media, the duration of the inertial stage for real parameters of structural members can be longer than the duration of impact loading.