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Hello everyone.

I'm trying to apply the Tsai-Wu criteria to a composite plate in ANSYS. I'm using the SHELL99 element.

However, when I input the data for the criteria an error occours and ANSYS won't show me any results on the criteria.

Can someone help me? How do I use this criteria and what data should I use?

Thanks in advance 

A postdoctoral position isavailable in the research group led by Dr. Joseph A. Turner in the Departmentof Engineering Mechanics at the University of Nebraska–Lincoln (UNL).

Via Physical Review Focus:

What you see is an optical fiber recoiling due to pulse of light flowing through it.  The abstract:

Phys. Rev. Lett. 101, 243601 (2008)

Observation of a Push Force on the End Face of a Nanometer Silica Filament Exerted by Outgoing Light

In fatigue analysis, it is common to use S-N curve from database for spesific material, and some time for spesific way of loading. Is there any way to predict fatigue from direct simulation? For example, giving cyclic loading (10^5 times) and the material will suffer damage and eventually failed. In some FEM codes (MARC, LSDYNA, etc) there is Lemaitre-Chaboche model used to analyze material behavior under low cycle cyclic loading.

 Thanks in advance
Chali

The MIT School of Engineering seeks an outstanding individual for a tenure-track position in the area of Computational Engineering at the assistant or untenured associate professor level. In exceptional circumstances more senior candidates will be considered. The position shall be associated with the “home” engineering department most suitable for the selected candidate. Here is a PDF file of this advertisement. 

The Ruhr University Bochum, Germany, invites applications for a PhD / PostDoc position at the Interdisciplinary Centre for Advanced Materials Simulation (ICAMS).

I would like to pursue graduate study in thefield of mechanical engineering design. I am familiar with Stanford's JointProgram in Design which emphasizes Human-Centered Design, Design Creativity,and Desirability along with standard graduate engineering subject matter. Ihave not however been able to locate other graduate schools which emphasizedesign methodology in such a way. I would be very interested if anyone hasknowledge of schools who teach similar design centered graduate programs.

A new section on fatigue and creep rupture has been added to the website:    http://www.FailureCriteria.com. 

Published on pages xv to xxvi of Multiscale Deformation and Fracture in Materials and Structures: The James R. Rice 60th Anniversary Volume, edited by Tze-jer Chuang and John W. Rudnicki, Solid Mechanics and Its Applications, Volume 84, Kluwer Academic Publishers, Dordrecht, 2001.  This text is also available for download as a PDF file or a WORD file.  

Materials Modeling: Recent Progress in Metal and Ceramic Based Systems, http://icces.org/cgi-bin/ices09/pages/index

A Symposium for ASCE-ASME-SES-Conference, Material Response to Shock Loading (Computational and Experimental), http://www.cpe.vt.edu/mech09/index.html

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