Dynamic Buckling of Elasto-Plastic Cylindrical Shells Under Axial Fluid-Solid Impact Load

(整期优先)网络出版时间:1994-03-13
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-Thedynamicbucklingofelasto-plasticcylindricalshellsunderaxialfluid-solidimpactisinvestigatedtheoretically.Asimplifiedliquid-gas-structuremodelisgiventoapproximatelyimitatetheproblem.Thebasicequationofthestructureisderivedfromaminimumprincipleindynamicsofelasto-plasticcontinuaatfinitedeformation,andtheflowtheoryofplasticityisemployed.Theliquidisincompressibleandthegasiscompressedadiabatically.Anumberofnumericalresultsarepresentedandthecharacteristicsofthebucklingbehaviorunderfluid-solidimpactareillustrated.