نتایج جستجو برای: elasticity system

تعداد نتایج: 2251195  

1999
P. PODIO-GUIDUGLI

In order to clarify common assumptions on the form of energy and momentum in elasticity, a generalized conservation format is proposed for finite elasticity, in which total energy and momentum are not specified a priori. Velocity, stress, and total energy are assumed to depend constitutively on deformation gradient and momentum in a manner restricted by a dissipation principle and certain mild ...

Journal: :J. Comput. Physics 2013
Xiaofeng Yang M. Gregory Forest Huiyuan Li Chun Liu Jie Shen Qi Wang Falai Chen

An energy-based, phase field model is developed for the coupling of two incompressible, immiscible complex fluid phases, in particular a nematic liquid crystal phase in a viscous fluid phase. The model consists of a system of coupled nonlinear partial differential equations for conservation of mass and momentum, phase transport, and interfacial boundary conditions. An efficient and easy-to-impl...

Journal: :Numerische Mathematik 2003
Paulo Goldfeld Luca F. Pavarino Olof B. Widlund

Abstract. Balancing Neumann-Neumann methods are extented to mixed formulations of the linear elasticity system with discontinuous coeÆcients, discretized with mixed nite or spectral elements with discontinuous pressures. These domain decomposition methods implicitly eliminate the degrees of freedom associated with the interior of each subdomain and solve iteratively the resulting saddle point S...

2015
Tien-Dung Nguyen Hong Linh Truong Georgiana Copil Duc-Hung Le Daniel Moldovan Schahram Dustdar

The Data-as-a-Service (DaaS) model enables data analytics providers to provision and offer data assets to their consumers. To achieve quality of results for the data assets, we need to enable DaaS elasticity by trading off quality and cost of resource usage. However, most of the current work on DaaS is focused on infrastructure elasticity, such as scaling in/out data nodes and virtual machines ...

2002
F. BOFILL R. QUINTANILLA

We prove continuous dependence on the intensity coefficient and continuous dependence on the external data in the theory of magneto-elasticity. We do not require the Lamé coefficients to be positive. We use logarithmic convexity arguments similar to those of Ames and Straughan (1992) in classical thermoelasticity. 1. Introduction. In recent years, much attention has been directed to the knowled...

Journal: :The European physical journal. E, Soft matter 2011
P Méléard T Pott H Bouvrais J H Ipsen

We show how to greatly improve precision when determining bending elasticity of giant unilamellar vesicles. Taking advantage of the well-known quasi-spherical model of liposome flickering, we analyze the full probability distributions of the configurational fluctuations instead of limiting the analysis to the second moment measurements only as usually done in previously published works. This le...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده مدیریت و حسابداری 1391

the application of e-learning systems - as one of the solutions to the issue of anywhere and anytime learning – is increasingly spreading in the area of education. content management - one of the most important parts of any e-learning system- is in the concern of tutors and teachers through which they can obtain means and paths to achieve the goals of the course and learning objectives. e-learn...

Journal: :Int. J. Cooperative Inf. Syst. 2015
Georgiana Copil Hong Linh Truong Daniel Moldovan Schahram Dustdar Demetris Trihinas George Pallis Marios D. Dikaiakos

To optimize the cost and performance of complex cloud services under dynamic requirements, workflows and diverse cloud offerings, we rely on different elasticity control processes. An elasticity control process, when being enforced, produces effects in different parts of the cloud service. These effects normally evolve in time and depend on workload characteristics, and on the actions within th...

Journal: :Scientific Programming 2016
Wei Ai Kenli Li Shenglin Lan Fan Zhang Jing Mei Keqin Li Rajkumar Buyya

Elasticity is the foundation of cloud performance and can be considered as a great advantage and a key beneNt of cloud computing. However, there is no clear, concise, and formal deNnition of elasticity measurement, and thus no ePective approach to elasticity quantiNcation has been developed so far. Existing work on elasticity lack of solid and technical way of deNning elasticity measurement and...

2013
Nanhee Kim NANHEE KIM

By introducing some auxiliary functions, an elasticity system with thermal effects becomes a coupled hyperbolic-parabolic system. Using this reduced system, we obtain a Carleman estimate with two large parameters for the linear thermoelasticity system with residual stress which is the basic tool for showing stability estimates in the lateral Cauchy problem.

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