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International Journal of Engineering، جلد ۲۹، شماره ۵، صفحات ۶۹۷-۷۰۵
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| عنوان فارسی |
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| چکیده فارسی مقاله |
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| عنوان انگلیسی |
Nonlinear Buckling of Circular Nano Plates on Elastic Foundation |
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| چکیده انگلیسی مقاله |
The following article investigates nonlinear symmetric buckling of moderately thick circular Nano plates with an orthotropic property under uniform radial compressive in-plane mechanical load. Taking into account Eringen nonlocal elasticity theory, principle of virtual work, first order shear deformation plate theory (FSDT) and nonlinear Von-Karman strains, the governing equations are obtained based on displacements. The differential quadrature method (DQM) as a numerical procedure is applied for solving the equations. In this analysis, for solving the stability equations, adjacent equilibrium methodis employed. In nonlinear buckling analyses and for obtaining the buckling load, generally the available nonlinear terms of the stability equation are neglected. However, in this study, for getting the most accurate data, nonlinear terms are considered and the non-dimensional buckling load is compared with the condition of considering or neglecting that of terms and the effect of that of terms are also studied. The accuracy of the present results is validated by comparing the solutions with available studies. The effects of nonlocal parameter, thickness, radiusand elastic foundation are investigated on non-dimensional buckling loads. The results of analyses based on local and non-local theories are compared. From the results, it can be seen that the effect of nonlocal parameter on simply support condition is less than clamped condition. It can be observed that with increasing the radius of the plate, the difference between local and non-local analyses,increases. |
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| نویسندگان مقاله |
Mostafa Sadeghian |
, Islamic Azad University of Mashhad
Mehrdad Jabbarzadeh |
Mechanical Engineering, Islamic Azad University of Mashhad
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| نشانی اینترنتی |
http://www.ije.ir/article_72725_e75ff43da98bbc64ec377287c19a4753.pdf |
| فایل مقاله |
اشکال در دسترسی به فایل - ./files/site1/rds_journals/409/article-409-2062319.pdf |
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| زبان مقاله منتشر شده |
en |
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