نتایج جستجو برای: winkler pasternak elastic foundation

تعداد نتایج: 162063  

Journal: :Machines 2023

This article deals with the problem of loose materials, i.e., wheat grain, when transported by belt conveyors cover belts. For purpose further research, experimental measurements deflections a conveyor material were carried out on self-built laboratory test device. The mechanical contact between and could be suitably approximated using an elastic foundation. measured data evaluated used to obta...

A. Arefi M. Salimi,

Carbon nanotubes have an important role in reinforcing nanocomposits. Many experimental observations have shown that in the most nanostructures such as nanocomposites, carbon nanotubes (CNTs) are often characterized by a certain degree of waviness along their axial direction. In the present paper, the effects of initial curvature, influence of surrounding medium that is modeled as Winkler elast...

E Torkan M Pirmoradian,

The dynamic performance of structures under traveling loads should be exactly analyzed to have a safe and reasonable structural design. Different higher-order shear deformation theories are proposed in this paper to analyze the dynamic stability of thick elastic plates carrying a moving mass. The displacement fields of different theories are chosen based upon variations along the thickness as c...

For dynamic analyses of railway track structures, the algorithm of solution is very important. For estimating the important problems in the railway tracks such as the effects of rail joints, rail supports, rail modeling in the nearness of bridge and other problems, the models of the axially beam model on the elastic foundation can be utilized. For studying the effects of axially beam on the ela...

A Rastgoo A. Ghorbanpour Arani, A.H Ghorbanpour Arani R Kolahchi

The high blood rate that often occurs in arteries may play a role in artery failure and tortuosity which leads to blackouts, transitory ischemic attacks and other diseases. However, vibration and instability analysis of carotid arteries are lacking. The objective of this study is to investigate the vibration and instability of the carotid arteries conveying blood under axial tension with surrou...

Journal: :Revista Facultad de Ingenieria Universidad de Antioquia 2021

This paper describes an analytical approach to conduct analysis of beam-column elements with generalized end-boundary conditions on a homogeneous or non-homogeneous Pasternak elastic foundation. The mathematical formulation utilized herein is that presented by the senior author in recent work. differential equation (DE) governing behavior element solved using transformation method (DTM). DTM of...

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