نتایج جستجو برای: pasternak model

تعداد نتایج: 2104596  

Journal: :European heart journal 2009
Alexander Weymann Alexander Lembcke Wolfgang F Konertz

Pasternak RC, Smith SC Jr, Stone NJ. Implications of recent clinical trials for the National Cholesterol Education Program Adult Treatment Panel III Guidelines. J Am Coll Cardiol 2004;44:720–732. 30. McQueen MJ, Hawken S, Wang X, Ounpuu S, Sniderman A, Probstfield J, Steyn K, Sanderson JE, Hasani M, Volkova E, Kazmi K, Yusuf S. Lipids, lipoproteins, and apolipoproteins as risk markers of myocar...

A.R Shaterzadeh, K Foroutan

In this paper, semi-analytical method for asymmetrical eccentrically stiffened FGM cylindrical shells under external pressure and surrounded by a linear and non-linear elastic foundation is presented. The proposed linear model is based on two parameter elastic foundation Winkler and Pasternak. According to the von Karman nonlinear equations and the classical plate theory of shells, strain-displ...

Journal: :journal of nanostructures 2013
a. ghorbanpour-arani a. shiravand a. h. ghorbanpour-arani s. amir e. haghparast

in this study, forced-vibration analysis of a coupled system of single layered graphene sheets (slgss) subjected to the moving nano-particle is carried out based on nonlocal elasticity theory of orthotropic plate. two slgss are coupled with elastic medium which is simulated by pasternak and visco-pasternak models. using hamilton’s principle, governing differential equations of motion are derive...

2003
Prakash C. Deedwania Stephan D. Fihn

Committee Members Raymond J. Gibbons, MD, FACC, FAHA, Chair; Jonathan Abrams, MD, FACC, FAHA; Kanu Chatterjee, MB, FACC; Jennifer Daley, MD, FACP; Prakash C. Deedwania, MD, FACC, FAHA; John S. Douglas, MD, FACC; T. Bruce Ferguson, Jr, MD; Stephan D. Fihn, MD, MPH, FACP; Theodore D. Fraker, Jr, MD, FACC; Julius M. Gardin, MD, FACC, FAHA; Robert A. O’Rourke, MD, FACC, FAHA; Richard C. Pasternak, ...

Journal: :Comptes rendus 2022

The nonlinear static bending analysis of microplates resting on imperfect Pasternak elastic foundations is carried out in this paper. finite element method based the modified couple stress theory used to derive formulations. present and mathematical model are validated by comparisons work’s results with those other reputable publications, which show a very good agreement. influences length-scal...

Journal: :Mechanics of Composite Materials 2023

The scale effect of carbon nanotubes (CNTs) in the macro CNT-reinforced composites (CNTRCs) is analyzed, and free vibration characteristics a composite beam resting on viscoelastic foundation were studied. By combining nonlocal theory with Eshelby–Mori–Tanaka (EMT) method, EMT constitutive equation considering CNTs CNTRCs proposed. Based Timoshenko theory, governing equations corresponding boun...

Journal: :journal of nanostructures 2015
a. ghorbanpour-arani m. sh. zarei

surface and small scale effects on free transverse vibration of a single-walled carbon nanotube (swcnt) fitted with y-junction at downstream end conveying viscose fluid is investigated in this article based on euler-bernoulli beam (ebb) model. nonlocal elasticity theory is employed to consider small scale effects due to its simplicity and efficiency. the energy method and hamilton’s principle a...

M Shaban M Shariyat, M.M Alipour

In the present research, free vibration and modal stress analyses of thin circular plates with arbitrary edge conditions, resting on two-parameter elastic foundations are investigated.  Both Pasternak and Winkler parameters are adopted to model the elastic foundation. The differential transform method (DTM) is used to solve the eigenvalue equation yielding the natural frequencies and mode shape...

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