Mixed Elastic Variational Formulation of Composite Plates Based on Dimension Reduction Method
Publish Year: 1396
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
WMECH04_029
تاریخ نمایه سازی: 11 خرداد 1397
Abstract:
In the present research, a new modeling approach for elastic composite plates is studied. By adopting mixedvariational formulation and dimension reduction method along the thickness, a general plate model is derived. Firstly,shape functions weighted with arbitrary coefficients adopted along the thickness of plate for both displacement andstress field and then, partial differential equation system of plate is derived by using the Hellinger-Reissner principle.Moreover, a comparison between current work and other theories such as Classical and First Order ShearDeformation Theory has been done, and advantages of this method are discussed Needless of shear correction factor,more accurate results and independent stress from displacement filed are some advantages of this approach.
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Authors
M.J Khoshgoftar
Assistant Professor, Department of Mechanical Engineering, Faculty of Engineering, Arak University, Arak, Iran
M Karimi
MSc Student, Department of Mechanical Engineering, Faculty of Engineering, Arak University, Arak, Iran