نتایج جستجو برای: pasternak medium

تعداد نتایج: 236917  

In this paper, Asymmetric buckling analysis of functionally graded (FG) Circular plates with temperature dependent property that subjected to the uniform radial compression and thermal loading is investigated. This plate is on an elastic medium that simulated by Winkler and Pasternak foundation. Mechanical properties of the plate are assumed to vary nonlinearly by temperature change. The equili...

2002
Gabor Karsai Gautam Biswas Sriram Narasimhan Tal Pasternak Tivadar Szemethy

Gabor Karsai, Gautam Biswas, Sriram Narasimhan, Tal Pasternak, and Tivadar Szemethy Institute for Software Integrated Systems Vanderbilt University PO Box 1829 Station B Nashville, TN 37235,USA {gabor,biswas,nsriram,tal.pasternak,tivadar}@vuse.vanderbilt.edu Gabor Peceli, Gyula Simon, and Tamas Kovacshazy Department of Measurement and Information Systems Technical University of Budapest, H-1521...

2009
R. Ta A. Li M. Suchy R. Hudson S. Pasternak R. Bartha

R. Ta, A. Li, M. Suchy, R. Hudson, S. Pasternak, and R. Bartha Imaging Research Group, Robarts Research Institute, London, Ontario, Canada, Medical Biophysics, University of Western Ontario, London, Ontario, Canada, Chemistry, University of Western Ontario, London, Ontario, Canada, Molecular Brain Research Group, Robarts Research Institute, London, Ontario, Canada, Clinical Neurological Science...

F Saadi M Goodarzi, M Khooran M Mohammadi

In this study, the vibration behavior of functional graded (FG) circular and annular nanoplate embedded in a Visco-Pasternak foundation and coupled with temperature change is studied. The effect of in-plane pre-load and temperature change are investigated on the vibration frequencies of FG circular and annular nanoplate. To obtain the vibration frequencies of the FG circular and annular nanopla...

Journal: :journal of computational applied mechanics 0
ali ghorbanpour arani 1. institute of nanoscience & nanotechnology, university of kashan, iran 2. department of mechanical engineering, university of kashan, iran elham haghparast department of mechanical engineering, university of kashan, iran zahra khoddami maraghi department of mechanical engineering, university of kashan, iran

in the present research, nonlinear vibration in a coupled system of boron-nitride nano-tube reinforced composite (bnntrc) oil pipes is studied. single-walled boron-nitride nano-tubes (swbnnts) are arranged in a longitudinal direction inside poly-vinylidene fluoride (pvdf) matrix. damping and shearing effects of surrounded medium are taken into account by visco-pasternak model. based on piezoele...

Journal: :Mathematical and Computer Modelling 1989

The effect of central opening on the buckling and nonlinear post-buckling response of carbon nanotubes (CNTs) reinforced micro composite plate embedded in elastic medium is considered in this paper. It is assumed that the system is surrounded by elastic medium, therefore; the influence of Pasternak foundation on buckling and post-buckling behavior are analyzed. In order to derive the basic form...

A Ghorbanpour Arani, I Alinaghian M Jamali M Mosayyebi R Kolahchi

In this study, a realistic model for dynamic instability of embedded single-walled nanotubes (SWCNTs) conveying pulsating fluid is presented considering the viscoelastic property of the nanotubes using Kelvin–Voigt model. SWCNTs are placed in longitudinal magnetic fields and modeled by sinusoidal shear deformation beam theory (SSDBT) as well as modified couple stress theory. The effect of slip ...

In this study, using the non-local elasticity theory, the buckling and vibration analysis of triple- walled ZnO piezoelectric Timoshenko beam on elastic Pasternak foundation is analytically investigated under magneto-electro-thermo-mechanical loadings. Using the Timoshenko beam free body diagram, the equilibrium equation of Timoshenko nano-beam model is obtained and solved by Navier’s method fo...

Journal: :Russian Studies in Philosophy 2020

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