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Ph.D. Research Assistantship Position in Multi-Scale Computational Study of the Fracture of Concrete at CU Boulder

Submitted by Franck Vernerey on

A Ph.D. Research Assistantship position in multi-scale computational mechanics of fracture of composites (with application on concrete) will be available to start in January 2010 in the Department of Civil Engineering, at the University of Colorado at Boulder, Colorado, USA.

Calculation of potential energy in conditions of prescribed displacement and prescribed loading

Submitted by Liu Jinxing on

A question has arised when I read a book about fracture mechanics recently.

This question is about the calculation of potential energy in "fixed-grips" (prescribed displacement) and "dead-load" (prescribed displacement).

Stresses in Elastic Materials in Non-uniform Cooling

Submitted by shrimad on
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Hi,

 

I am having confusions about the concepts of thermal stresses of an un-constrained elastic body when heated/cooled.

Let's say if I have an elastic body of an arbitrary geometry. If I subject it to a uniform temperature change without any constraints, then there will no thermal stresses at the end of the analysis. I guess I am right till here.