نتایج جستجو برای: viscoelastic solids

تعداد نتایج: 35582  

A Ghorbanpour Arani, A Hosseinpour A.A Ghorbanpour Arani H Ashrafi, M Emdadi M Mohammadimehr, S Niknejad

In this article, bending, buckling, and free vibration of viscoelastic sandwich plate with carbon nanotubes reinforced composite facesheets and an isotropic homogeneous core on viscoelastic foundation are presented using a new first order shear deformation theory. According to this theory, the number of unknown’s parameters and governing equations are reduced and also the using of shear correct...

H.R. Eipakchi, Mohammad Tehrani

In this paper, the dynamic response of a viscoelastic beam subjected to a moving distributed load has been studied. The viscoelastic properties of the beam have been considered as linear standard model in shear and incompressible in bulk. The stress components have been separated to the shear and dilatation components and as a result the governing equations in viscoelastic form has been obtaine...

A. Amjadi, F. Motaghian

Background: Laser-tissue interaction on low-level laser therapy (LLLT) has widespread medical applications (e.g., improved wound healing). The tensile strength of radiated tissue by LLLT is known to be increased mainly because of cross collagen bands developed after radiation.Objective: In this work, we studied the instantaneous effect of radiation of polarized laser beam on the viscoelastic ti...

Journal: :EPL 2022

The capillary traction of a liquid contact line causes highly localized deformations in soft solids, tremendously slowing down wetting and dewetting dynamics by viscoelastic braking. Enforcing nonetheless large velocities leads to the so-called stick-slip instability, during which periodically depins from its own ridge. mechanism this periodic motion and, especially, role fluid have remained el...

Journal: :علوم و تکنولوژی پلیمر 0
محمدرضا عرب بافرانی تهران، دانشگاه تربیت مدرس، دانشکده مهندسی شیمی، بخش مهندسی پلیمر، صندوق پستی 114-14115 مهدی رزاقی کاشانی تهران، دانشگاه تربیت مدرس، دانشکده مهندسی شیمی، بخش مهندسی پلیمر، صندوق پستی 114-14115

one of the most important factors that affect tire friction is surface roughness, which determines the size of the real contact area, real pressure distribution on the contact interface, and scales of mechanical engagement between viscoelastic rubber and a rough substrate. the need to predict coefficient of friction (cof) for rubber on rough surfaces for applications such as traction of tires o...

K Kaur R Kakar,

This study is concerned to check the validity and applicability of a five parameter viscoelastic model for harmonic wave propagating in the non-homogeneous viscoelastic rods of varying density. The constitutive relation for five parameter model is first developed and validity of these relations is checked. The non-homogeneous viscoelastic rods are assumed to be initially unstressed and at rest....

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