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Paper Information

Journal:   INTERNATIONAL JOURNAL OF NANO DIMENSION (IJND)   Spring 2019 , Volume 10 , Number 2; Page(s) 141 To 153.
 
Paper: 

Buckling analysis of a size-dependent functionally graded nanobeam resting on Pasternak's foundations

 
 
Author(s):  Zenkour Ashraf*, EBRAHIMI FARZAD, BARATI MOHAMMAD REZA
 
* Department of Mathematics, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
 
Abstract: 
Buckling analysis of a functionally graded (FG) nanobeam resting on two-parameter elastic foundation is presented based on third-order shear deformation beam theory (TOSDBT). The in-plane displacement of TOSDBT has parabolic variation through the beam thickness. Also, TOSDBT accounts for shear deformation effect and verifies stress-free boundary conditions on upper and lower faces of FG nanobeam. The twoparameter elastic foundation model including linear Winkler's springs along with Pasternak's shear layer is in contact with the beam in deformation. Material properties of FG nanobeam are supposed to vary gradually along the thickness according to both power-law and Mori– Tanaka laws. Small-scale effect of Eringen's nonlocal elasticity theory has been considered. Nonlocal equilibrium equations are obtained based on the minimum potential energy principle and solved analytically. The accuracy of current method is examined by comparing current results with the available ones in literature. Effects of foundation parameters, gradient index, nonlocal parameter and slenderness ratio on buckling behavior of FG nanobeams are examined.
 
Keyword(s): Buckling,Elastic Foundation,Functionally Graded (FG),Nanobeam,Nonlocal Elasticity,Third-Order Theory
 
 
References: 
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Citations: 
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+ Click to Cite.
APA: Copy

Zenkour, A., & EBRAHIMI, F., & BARATI, M. (2019). Buckling analysis of a size-dependent functionally graded nanobeam resting on Pasternak's foundations. INTERNATIONAL JOURNAL OF NANO DIMENSION (IJND), 10(2), 141-153. https://www.sid.ir/en/journal/ViewPaper.aspx?id=668706



Vancouver: Copy

Zenkour Ashraf, EBRAHIMI FARZAD, BARATI MOHAMMAD REZA. Buckling analysis of a size-dependent functionally graded nanobeam resting on Pasternak's foundations. INTERNATIONAL JOURNAL OF NANO DIMENSION (IJND). 2019 [cited 2021December09];10(2):141-153. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=668706



IEEE: Copy

Zenkour, A., EBRAHIMI, F., BARATI, M., 2019. Buckling analysis of a size-dependent functionally graded nanobeam resting on Pasternak's foundations. INTERNATIONAL JOURNAL OF NANO DIMENSION (IJND), [online] 10(2), pp.141-153. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=668706.



 
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