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Buckling of fibrous composite cylindrical shells with non-condtant radius subjected to different types of loading | ||
| Iranian Journal of Science and Technology Transactions of Mechanical Engineering | ||
| شناسنامه علمی شماره، دوره 27، شماره 3، اردیبهشت 2003، صفحه 535-550 | ||
| شناسه دیجیتال (DOI): 10.22099/ijstm.2013.984 | ||
| چکیده | ||
| An analytical investigation of the buckling problem of composite shells with radius variation is presented. Different types of loading such as compressive and external can be applied. Flügge’s shell equations, modified for anisotropic laminated materials are used. The modal forms are assumed to have axial dependency in the form of simple Fourier series. To implement the present method to find the buckling load of composite tubes with different boundary conditions the derivatives of Fourier series are legitimized using Stocke’s transformation. The mathematical model presented includes the radius variations at the cross section of tubes in the form of functions including the imperfection factor. The analytical procedure developed in this work for finding the buckling loads yields an exact equation which is simpler than the exact method adopted by other research workers. The results are presented in the form of buckling diagrams and figures showing the mode shapes | ||
| کلیدواژهها | ||
| buckling؛ Composite؛ shells؛ modified exact | ||
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