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What's the meaning of "the maximum dissipation principle"?

Submitted by Chao Du on

Hi everyone

I am a graduate student.I am trying to formulate a constitutive equation for rock salt based on irreversible thermodynamics theory. Recently,I encounted two prolems:

(1)how to define the damage variable?

(2)what's the meaning of "the maximum dissipation principle"?

could everyone give me some advice?

thanks a lot.

Chao Du

Challenges in the finite element analysis of tire design using abaqus

Submitted by American Engin… on

Finite Element Analysis of Vehicle and Tire has become a very important aspect of a tire design and failure analysis to most Tire companies. Tire modeling with ABAQUS is a very complicated process involving complex materials like hyperelastic rubber and textile reinforcements, large model size, prolonged simulation time and various convergence issues. This white paper intends to help in understanding the challenges in tire analysis and several tips and tricks that makes a difference in the quality of the results and processing time.

A new book chapter of the role of the actin cytoskeleton in mechanosensation

Submitted by Tian Zhi Luo on

We wrote a book chapter about the role of the actin cytoskeleton in mechanosensation. The book title is Mechanosensitivity and Mechanotransduction, edited by A, Kamkin and I. Kiseleva and published by Springer-Verlag, New York.". 

In this chapter, we try to integrate mechanics, materials science, biophysics and biology together to give a most updated view of this field. We also want to introduce the feedback loop concept to mechanicians who are interested in studying biological systems.

Sixth M.I.T. Conference on Computational Fluid and Solid Mechanics

Submitted by Jung W. Hong on

Dear Colleague,



The Sixth M.I.T. Conference on Computational Fluid and Solid Mechanics will be held in June 2011 at M.I.T.

The theme of the Conference is "Solids & Structures", and the topic is interpreted in a very broad way.



The Abstracts for full papers to be published in Computers & Structures are due January 31, 2010.

please see http://www.sixthmitconference.org



Faculty Positions in Computational Multiscale methods at University Paris-Est, France

Submitted by Julien Yvonnet on

The University Paris-Est Marne la Vallée, France, invites applications for two tenure-track faculty positions in multiscale computational mechanics, as assistant professor level, for September 2010 start date. The candidates will be hosted by the Laboratory of Multiscale Computational Mechanics (Laboratoire Modélisation et Simulation Multi Echelle, MSME UMR 8208 CNRS). Successful candidates are expected to teach at the undergraduate and graduate levels, and carry out a research program with potential collaborations at the European and International level.

Promotion at random is better! Tenure makes you more "incompetent" -- Peter's principle proved by two italian scientists!

Submitted by Mike Ciavarella on

If you are upset about promotion system, look at what two italian friends proved recently, which was immediately popular before the paper publication, also because they proved random promotion is more efficient!

Post-Doc Scientist Position in Experimental Mechanics at Columbia University Starting in February 2010

Submitted by yinhm on

POSTDOCTORAL RESEARCH ASSITANT – HYBRID SOLAR PANEL The Department of Civil Engineering and Engineering Mechanics at Columbia University seeks applications for a position as a Postdoctoral Research Assistant. A Postdoctoral Research Assistant is a junior level research position and works under the supervision of a faculty member in the department.  As a postdoctoral research assistant the incumbent will work to further the research of the laboratory, and occasionally may be asked to supervise student projects related to the research and other topics within the scope of the group.

Iain Finnie passed away

Submitted by Mike Prime on

Iain Finnie passed away in December. At the time he was the James Fife Professor Emeritus U.C. Berkeley Dept. of Mechanical Engineering.



Iain had an amazing number of contributions spanning diverse area of mechanics. To the best of my recollection:



He published some great early work on the shear angle in metal cutting in 1953.

He published the first book on creep in 1959 with William Heller.

He published a (the?) pioneering paper on erosion in 1960.

Case Studies in Mesoscale Field Dislocation Mechanics

Submitted by Amit Acharya on

 (in Computational Methods for Microstructure-Property Relationships," Springer. Edited by Somnath Ghosh and Dennis Dimiduk)

Dislocation mediated continuum plasticity: case studies on modeling scale dependence, scale-invariance, and directionality of sharp yield-point

Claude Fressengeas, Amit Acharya, Armand Beaudoin