research
Fatigue
Dear all,
I would like to ask you, how is it possible to simulate fatigue in Abaqus. I have created my loading. But if I run it as it is it will never reach a critical value, so you could say there is no damage evolution. Is it the only way is to apply some type of hysteresis loop evolution and say that after some cycles the hysteresis loop changes?
Any advice is more than welcome!
Regards,
Panos
Unit cell modeling using Abaqus submodeling
Hi,
I was going though papers related to micromechanical modeling of composites using unit cell approach. Usually in this procedure, a unit cell is isolated from the material and to ensure the compatabilty of the unit cell boundary, periodic boundary conditions are applied.
To ensure the compatabilty of the boundary and to apply loads, can we use submodeling techniques available in ABAQUS.
Thank you
Regards
Ghouse
Post-doctoral position at University of Cape Town, South Africa
The Centre for Research in Computational and Applied Mechanics (Cerecam) at the University of Cape Town, South Africa, invites applications for a post-doctoral fellowship in nonlinear computational mechanics. Further information about the position may be obtained from Professor
Daya Reddy (daya.reddy [at] uct.ac.za).
meshfree shape function
This is regarding the MLS shape functions, used in meshfree methods. How the number of sampling point affects the plot of shape functions for the nodes? Is the "peak values" fall down as the sampling points are increased?
Dominant frequency of an earthquake wave
Hi all,
How to find the dominant frequency of a seismic wave?
ADINA Electromagnetics
We have recently added the ADINA Electromagnetics module (ADINA-EM) to our wide range of multiphysics offerings. Using this module, the general Maxwell's equations can be effectively solved and the resulting electric and magnetic fields can be coupled to the fluid flow. For details please see:
http://www.adina.com/adina-electromagnetics.shtml
For an overview of other multiphysics capabilities of ADINA please refer to:
Drilling of E-glass/polyester composites optimization
A new paper where IOSO Optimization Technology was involved
http://nopr.niscair.res.in/bitstream/123456789/10872/1/IJEMS%2017(6)%20463-470.pdf
On proposals
Every year I try to get funding for things that I'm personally interested in but which may not have any immediate economic benefits. A couple of years ago, after reading Penrose's "Road to Reality", I thought about applying Clifford algebra ideas to fracture mechanics and wrote up a proposal to that effect. The proposal wasn't funded, but I think the idea is worth exploring.
The summary of the proposal was
From the literature
Naturally negative bulk modulus material.
Negative Linear Compressibility and Massive Anisotropic Thermal Expansion in Methanol Monohydrate
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