Dynamic Response of Pre-Stressed Spatially Curved by Yury A. Rossikhin,Marina Shitikova

By Yury A. Rossikhin,Marina Shitikova

This brief e-book analyses the dynamic balance with admire to small perturbations, in addition to the neighborhood harm of geometrically nonlinear elastic, spatially curved, open part beams with axial precompression. temporary waves, that are the surfaces of sturdy discontinuity and in which the strain and pressure fields adventure discontinuities, are used as small perturbations; in so doing the discontinuities are thought of to be of small importance. Such waves are initiated in the course of low-velocity affects upon thin-walled beams. the speculation of discontinuities and the tactic of ray expansions which permit one to discover the specified fields at the back of the fronts of the brief waves by way of discontinuities in time-derivatives of the values to be came across, are used because the tools of answer for short-time dynamic strategies. the instance of utilizing the ray expansions for studying the effect reaction of spatially curved thin-walled beams of open profile is tested by means of fixing the matter concerning the common effect of an elastic hemispherical-nosed rod upon an elastic arch representing itself a channel-beam curved alongside an arc of the circumference. The effect of the preliminary stresses at the dynamic fields has been investigated.

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