نتایج جستجو برای: visco elastic

تعداد نتایج: 71442  

Journal: :General Relativity and Gravitation 2020

Journal: :The Journal of Physiology 1930

Journal: :Materials research proceedings 2023

Abstract. A comprehensive 3D visco-elasto-plasto-damage constitutive model of concrete is proposed to analyze its behaviour under long-term and cyclic loadings. This combines the visco-elasticy plasticity theories together with damage mechanics. The work aims at providing an efficient capable predicting material behaviour, taking into account time-dependent effects mesoscale. visco-elastic part...

2013
Irena Lasiecka Roberto Triggiani Jing Zhang

We present the salient features of a min-max game theory developed in the context of coupled PDE's with an interface. Canonical applications include linear fluid-structure interaction problem modeled by Oseen's equations coupled with elastic waves. We shall consider two models for the structures: elastic and visco-elastic. Control and disturbance are allowed to act at the interface between the ...

A Ghorbanpour Arani, M.Sh Zarei

In the present work, effect of von Karman geometric nonlinearity on the vibration characteristics of a Y-shaped single walled carbon nanotube (Y-SWCNT) conveying viscose fluid is investigated based on Euler Bernoulli beam (EBB) model. The Y-SWCNT is also subjected to a longitudinal magnetic field which produces Lorentz force in transverse direction. In order to consider the small scale effects,...

2017
Yun Mei Luo Luc Chevalier Eric Monteiro Yun Mei LUO

The mechanical response of Polyethylene Terephthalate (PET) in elongation is strongly dependent on temperature, strain and strain rate. Near the glass transition temperature Tg, the stress vs strain curves present a strain hardening effect vs strain under conditions of large deformations. At a given strain value, the strain rate has also an increasing influence on the stress value. The main goa...

2013
GIANNI DAL MASO

We introduce a model of dynamic visco-elasto-plastic evolution in the linearly elastic regime and prove an existence and uniqueness result. Then we study the limit of (a rescaled version of) the solutions when the data vary slowly. We prove that they converge, up to a subsequence, to a quasistatic evolution in perfect plasticity.

2004
Domenico Prattichizzo Paolo Mercorelli

Robotic grasps exhibiting visco-elastic contact interactions with the manipulated object are considered. Control of internal forces is investigated. The presence of nonnegligible compliance at contacts, implies that the object dynamics cannot be neglected when attempting to control internal forces without affecting the object position. A dynamic internal force control is proposed. It is decoupl...

Journal: :Advanced materials 2015
James O Hardin Thomas J Ober Alexander D Valentine Jennifer A Lewis

Multimaterial 3D printing using microfluidic printheads specifically designed for seamless switching between two visco-elastic materials "on-the-fly" during fabrication is demonstrated. This approach opens new avenues for the digital assembly of functional matter with controlled compositional and property gradients at the microscale.

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