Bending analysis of sandwich beams with FGM core resting on elastic foundation using FBT
محل انتشار: سومین کنفرانس ملی و اولین کنفرانس بین المللی پژوهش هایی کاربردی در مهندسی برق، مکانیک و مکاترونیک
سال انتشار: 1394
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 573
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شناسه ملی سند علمی:
ELEMECHCONF03_0003
تاریخ نمایه سازی: 9 مرداد 1395
چکیده مقاله:
In this paper, bending analysis of sandwich beams with functionally graded materials (FGM) core resting on Winkler foundation are investigated using first order shear deformation beam theory (FBT). Material properties of the FGM layer change in the thickness direction according to power-law distributions. The governing equations and the related boundary conditions are derived using the principal of the minimum total potential energy. The Navier-type solution is used for simply-supported boundary conditions, and exact formulas are proposed for bending. The method is validated by comparing numerical results with the results obtained in the literature. Good agreement is observed. Numerical results are presented to investigate the influences the different material distributions and foundation stiffness on the bending behavior of sandwich beams with FGM core.
نویسندگان
Davoud Sirati
Department of Mechanical Engineering, Islamic Azad University, Karaj Branch, Karaj, Iran
Mohamad Reza Farhangi
Department of Mechanical Engineering, Islamic Azad University, Karaj Branch, Karaj, Iran
Masood Askari
Department of Mechanical Engineering, Islamic Azad University, Karaj Branch, Karaj, Iran
Sakine Bayat
Department of Mechanical Engineering, Islamic Azad University, Karaj Branch, Karaj, Iran