Buckling analysis of FML cylindrical shells under combined axial and torsional loading
Publish place: Mechanics of Advanced Composite Structures، Vol: 7، Issue: 2
Publish Year: 1399
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_MACS-7-2_008
تاریخ نمایه سازی: 16 بهمن 1399
Abstract:
Generally, in-served cylindrical shells buckling usually takes place not merely under one of the basic loads, i.e., axial compression, lateral pressure, and torsion, but under a combination of them. The buckling behavior of fiber-metal laminate (FML) cylindrical shells under combined axial and torsional loading is studied in this paper. The Kirchhoff Love-type assumption is employed to study the axial buckling load. Then, an extended finite element (FE) model is presented and results are compared. A number of consequential parameters such as lay-up arrangement, metal type and metal volume fraction are employed and enhancement of buckling behavior of the shell is also studied. Finally, the interaction of axial /torsional loading is analyzed and discussed. The results show that as the metal volume fraction rises to 15%, the endurable buckling load increases almost 43% more than the state in which there is no metal layer. The numerical results show that increasing the metal volume percentage leads to a decrease in buckling performance of the structure under axial loading.
Keywords:
Fiber metal laminates (FMLs) , Cylindrical shell , Buckling Analysis , Finite element method (FEM) , Torsional Buckling
Authors
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Composite and Nanocomposite Research Laboratory, Department of Solid Mechanic, Faculty of Mechanical Engineering, University of Kashan, Kashan, Iran
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Composite and Nanocomposite Research Laboratory, Department of Solid Mechanic, Faculty of Mechanical Engineering, University of Kashan, Kashan, Iran
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Composite and Nanocomposite Research Laboratory, Department of Solid Mechanic, Faculty of Mechanical Engineering, University of Kashan, Kashan, Iran
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