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Can the arc-length algorithm for simulating the plastic collapse of solid structures converge using ANSYS ?

Submitted by pfliu@zju.edu.cn on

For complex composite structures, I have never succeeded in finding the parameter configuration which can reach the convergence using ANSYS. Who can give me some instruction?

Problems of researchers in third world and how IMECHANICA can help them (it is not money).

Submitted by RoozbehSanaei on

many researchers in industrial countries think the only problem of third world researchers is money but it is not true. I worked as a researcher for four years in one of this third world countries.

Computational and Theoretical research dont need much money as like as lab dependent research. because freeware and opensource became popular and (the copyright laws are not strict in these countries unfortunately).many experimental works also can be done with available facilities in these universities.

Ansys Failure Criteria

Submitted by cube on

Hello, I am trying to run a laminted composite plate in ansys. I have all the required mechanical properties and the know how to put some of the information. So far, the many trials I did i can't extract the failure criteria results. I want to know whether the plate fails in normal, shear or compression. I appreciate if someone can give me the map of how to get to that result and at what force. what are the step that i have to take in order to get there.

thanks

Mat

Mechanics of Soft Active Materials

Submitted by Zhigang Suo on

At the invitation of David Clarke on behalf of the UCSB/Los Alamos Institute of Multiscale Materials and Structures, I gave the following three lectures:

  1. Large deformation and instability in dielectric elastomers
  2. Large deformation and instability in swelling polymeric gels
  3. Mechanics and electrochemistry of polyelectrolyte gels

The abstracts follow, and the slides are attached at the end of this post.