A postdoctoral research position is available immediately in the Johnson research group at the University of Illinois at Urbana-Champaign. The position will involve continuum finite element modeling of multiphysics and interfacial phenomena in micro- and nanoscale electronic materials processing applications.
Dear all,
I am improving the cohesive zone model in 2-D proposed by Y.F. Gao to simulate delamination between sub-micron thick films in 3-D. However, I did not find the potential function proposed by Xu and Needleman in 3-D. If you know it please tell me
Here is the potential function proposed by of Xu and Needleman in 2-D (in Y.F Gao’s paper)
The potential function proposed by Xu and Needleman in 3-D ??????
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I was browsing the discussion page for Stress in Wikipedia when I came upon this interesting comment:
"
Refutation of Cauchy stress
The theory of stress based on Euler & Cauchy is now refuted. The profound incompatibility of this theory with the rest of physics, especially the theory of potentials and the theory of thermodynamics, has been documented in
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We are interested in highly motivated Ph.D. candidates with an academic background (B.S. and M.S.) in either Mechanical Engineering, Civil ngineering or Computational Materials Science.
Surface:
If it's a free surface, the dislocation can penetrate through the surface easily, but, if it's a coating or oxide layer, it will be hard for dislocation to glid out of the surface
Grain boundary:
In discrete dislocation dynamic simulation, some authors take grain boundary as a impenetrable, such as a rigide wall, But in other papers, grain boundary was thought to be a penetrable wall.
So,Is there somthing or simillar property for us to derive.
I am studying crack simulations.I am familar with ansys,and i know franc3d files could output into ansys files ,but i don't know how. I just get .fem files from franc3d. But how could .fem files be read into ansys? Could anyone give me some details? I'll be very grateful.
Hi everyone,
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Hi ,everyone I find this page very useful ,it has many free mechanical luctures,maybe you well find something useful like me .Please enjoy!
