Modified Global-local theory for investigating composite and sandwich plates under static transverse loading

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Shariyat Mohammad; Ghaznavi Osgoueii Aidin

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Paper Information

Journal: IRANIAN JOURNAL OF MECHANICAL ENGINEERING (ENGLISH) Year:2018 | Volume:20 | Issue:1 Page(s): 132-151

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Title

Modified Global-local theory for investigating composite and sandwich plates under static transverse loading

Author(s)

Shariyat Mohammad | Ghaznavi Osgoueii Aidin | Issue Writer Certificate

Keywords

Global-Local TheoryQ1

deformable coreQ1

sandwich plateQ1

Finite Element MethodQ2

Abstract

In the present article, a Global-Local Theory with three-dimensional elasticity corrections is employed to trace the local and instantaneous variations of various displacement and stress components of sandwich and composite plates. The governing equations are extracted based on Hamilton principle. One of the key features of the proposed theory is incorporation of the transverse flexibility of the core; a fact that is crucial when studying behaviors of thick or soft core sandwich plates. Since the transverse shear stresses are extracted based on the 3D elasticity theory, the interlaminar continuity condition of the transverse shear stresses is met. The verification results show that the presented finite element formulation is efficient and leads to accurate results, even for thick or soft core sandwich plates. A comprehensive parametric study is accomplished to evaluate effects of different parameters such as stiffness of the core material and boundary conditions. Finally, the obtained results verified by the available results existed in the literature.

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APA: Copy

Shariyat, Mohammad, & Ghaznavi Osgoueii, Aidin. (2018). Modified Global-local theory for investigating composite and sandwich plates under static transverse loading. JOURNAL OF MECHANICAL ENGINEERING (ISME) (IRANIAN JOURNAL OF MECHANICAL ENGINEERING-ENGLISH), 20(1 ), 132-151. SID. https://sid.ir/paper/83492/en

Vancouver: Copy

Shariyat Mohammad, Ghaznavi Osgoueii Aidin. Modified Global-local theory for investigating composite and sandwich plates under static transverse loading. JOURNAL OF MECHANICAL ENGINEERING (ISME) (IRANIAN JOURNAL OF MECHANICAL ENGINEERING-ENGLISH)[Internet]. 2018;20(1 ):132-151. Available from: https://sid.ir/paper/83492/en

IEEE: Copy

Mohammad Shariyat, and Aidin Ghaznavi Osgoueii, “Modified Global-local theory for investigating composite and sandwich plates under static transverse loading,” JOURNAL OF MECHANICAL ENGINEERING (ISME) (IRANIAN JOURNAL OF MECHANICAL ENGINEERING-ENGLISH), vol. 20, no. 1 , pp. 132–151, 2018, [Online]. Available: https://sid.ir/paper/83492/en

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