نتایج جستجو برای: hyper viscoelastic model

تعداد نتایج: 2132984  

Ehsan Amani Fariborz Rashidi, Fatemeh Goharpey Mahmoud Mirzazadeh Mohammad Reza Khorsand Movagar

In this study prediction of the steady-state flow of branched polymer melts in pipe geometry with finite volume method is presented. Our analysis in this study revealed that;for normal-stress tqq , the XPP model can predict this tensor unlike the other viscoelastic models such as PTT or Gieskus which can not predict tqq...

Journal: :journal of mahani mathematical research center 0
l. torkzadeh islamic azad university kerman h. hojat islamic azad university kerman

in this paper rst we de ne the notions of positive implicativehyper mv -ideals of types 1,2,3 and 4 in hyper mv -algebras and we investigatethe relationship between of them . then by some examples we show that thesenotions are not equivalent. finally we give some relations between these notionsand the notions of (weak) hyper mv -ideals and (weak) hyper mv -deductivesystems of hyper mv -algebras.

2016
Yueting Sun Xiaoqing Xu Chengliang Xu Yu Qiao Yibing Li

Elastomeric cellular structures provide a promising solution for energy absorption. Their flexible and resilient nature is particularly relevant to protection of human bodies. Herein we develop an elastomeric cellular structure filled with nanoporous material functionalized (NMF) liquid. Due to the nanoscale infiltration in NMF liquid and its interaction with cell walls, the cellular structure ...

Journal: :International Journal of Impact Engineering 2021

• A new kerogen aggregate with Gaussian molecular weight distribution was established. The dynamic response of obtained under different strain rates. microscopic mechanism the plastic stress oscillation and fracture clarified. compressible hyper-viscoelastic constitutive model built to describe mechanical behaviour aggregate. As main organic component shale, has a direct impact on shale reservo...

Journal: :The Journal of the American Osteopathic Association 2008
Hans Chaudhry Bruce Bukiet Thomas Findley

CONTEXT Because of the lack of accurate values for mechanically applied forces in osteopathic manipulative treatment, osteopathic physicians must apply mechanical forces intuitively. However, excessive loading and high velocity maneuvers carry risks for patients. OBJECTIVE To determine the loads required to produce compression, shear, extension, and twist on biceps muscle during manual therap...

2006
Qingli Dai Martin H. Sadd Zhanping You

This study presents a finite element (FE) micromechanical modelling approach for the simulation of linear and damage-coupled viscoelastic behaviour of asphalt mixture. Asphalt mixture is a composite material of graded aggregates bound with mastic (asphalt and fine aggregates). The microstructural model of asphalt mixture incorporates an equivalent lattice network structure whereby intergranular...

In this paper, the transient response of a viscoelastic annular plate which has time-dependent properties is determined mathematically under dynamic transverse load. The axisymmetric conditions are considered in the problem. The viscoelastic properties obey the standard linear solid model in shear and the bulk behavior in elastic. The equations of motion are extracted using Hamilton’s principle...

Fatouraee, N., Mokhtari-Dizaji, M., Saberi, H., Soleimani, E.,

The aim of this study is to evaluate the changes of effective stress distribution in plaque by progressing to the stenosis throat and to assess the pulsatile pulse pressure effect on effective stress of a viscoelastic finite-element model of carotid arteries having less and more than 50% stenosis. In-vivo geometries of the arteries were reconstructed using consecutive transverse ultrasound imag...

ژورنال: توانبخشی 2013
Abdollahi, Iraj, Rostami, Mostafa, Soleymanzadeh-Ardabili , Nima, Tabatabai Qomshe, Farhad, Vahdat, Iman,

Objective: The goal of the present study was to improve the extension and flexion of the elbow joint for rehabilitation purposes, in terms of energy dissipation and of injuries caused by stress imposed on connective tissue by exercise equipments during force transfer , by investigation of viscoelastic property variations during change in speed of motion. Materials & Methods: A sample of five...

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