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).
Based on my limited knowledge of FEM, I find it is difficult to use isoparametric elements for any problem whose governing
functional involve the second (or higher) partial derivatives of the unknown
functions. I hope some computational mechanicians can help me on this. Currently, I have a formulation derived from micropolar elasticity which has a functional involving second partial derivatives of the displacements. Thanks a lot for any of your suggestions.
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
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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.
