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Differential Equations and Nonlinear Mechanics - Volume 2006 2006, Article ID 18572, 12 pages



Department of Mechanical Engineering, Texas A and M University, College Station, TX 77845, USA

Dipartimento di Ingegneria dell-Innovazione, Università degli Studi di Lecce, Lecce 73100, Italy

Received 18 June 2005; Accepted 22 August 2005

Copyright © 2006 K. R. Rajagopal and Giuseppe Saccomandi. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

In classical particle mechanics, it is well understood that whileworking with nonholonomic and nonideal constraints, one cannotexpect that the constraint be workless. It is curious that incontinuum mechanics, however, the implications of the result inclassical mechanics have not been clearly understood. In this paper,we show that in dealing with the response of dissipative systems,one cannot require that constraints do no work or ignore the factthat the material response functions depend on the constraintreaction. An example of this is the viscosity of a fluid dependingon the pressure.





Autor: K. R. Rajagopal and Giuseppe Saccomandi

Fuente: https://www.hindawi.com/



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