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  1. compositeFEA

    Crack propagation using CGROW command: propagation path NOT flat

    Hello everyone, I am modeling the propagation of a crack in a laminated composite plate. The 2d model is built up with PLANE182 elements (laminated plate) and the interface (crack) is modelled using INTER202. The propagation is simulated with the CGROW command according to the VCCT technique...
  2. compositeFEA

    Inverse matrix in VBA, and VBA equiv. for the ":" in Matlab

    Hello everyone, I am looking for an easy way to calculate the inverse of a matrix in VBA. The matrix is 3-D: 3 x 3 x n (with n variable). What I need is the inverse of each "3x3" plane, therefore I would like to use a For/Next loop from 1 to n to do it. I know I could use the following code in...
  3. compositeFEA

    Testing in hot & wet environment: looking for suitable lighting solution

    Hi everyone, I am working on a design project and I need to find some special lighting equipment. The problem is that the lighting device will work in hostile environment, i.e. hot and wet. The temperature can be as high as 250F (120C) and the relative humidity can be around 95%. The lights...
  4. compositeFEA

    License loss after solving

    Hello Ansys users, My question is about the way that Ansys deals with the license during solving and post-processing. I am using the Academic Research license in Batch mode and we only have 5 licenses of that type in my department. When a license is available, I launch a job with the Product...
  5. compositeFEA

    Restart an analysis after changing element properties

    Hello Ansys users, My question is about the "Restart" technique, which allows to start an analysis from the last converged loadstep. I understand the concept and how to use it, but the problem comes up when I try to change the material number of an element prior to restart the analysis: at each...
  6. compositeFEA

    Ansys in batch mode with shell scripts and qsub command

    Hello all, I've been doing FEA simulations with Ansys for several years now, and recently I have been allowed to use a cluster running on Linux. Since I am quite newbie to this thing, I have read a lot on the internet to get more familiar with Unix language. I found some example codes which are...

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