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Found 4 results

  1. Hi, I did a modal analysis of a 2d plate. I generated a .pch file. Now if I open this file in notepad, I see three columns of data for every mode. Are these columns the x,y,z coordinates of the corresponding modeshape? I am asking this because I would like to plot the modeshape in MATLAB. I tried plotting it but I did not get a proper shape. At first I thought that every row corresponds to the coordinates of a node in the mesh. But later I observed that for every mode, the number of rows in the notepad file is different. This is what made me doubt about it. So what exactly does a pch file contain in the case of a modal analysis? It would be of great help if you can suggest me any other way to plot modeshapes in MATLAB using some result file from my analysis in Hyperworks. regards, Vachan
  2. Hi, I have done the modal analysis of rectangular plates. Each plate has same length and breadth but has holes at different locations. I want to compare the modeshapes of these plates by overlaying them. When I overlay two h3d files, they appear with a 180 degree phase shift with respect to each other, i.e. the crest of one plate meets the trough of the other plate for every mode. How can I change the phase of one of the plates by 180 degrees? Or is there any other way to correct this? regards, Vachan
  3. Is there any tutorials available for Optimization of stiffened plate. In my case my design variable is size of the stiffener and keeping dimension of the plate as constant. And constraint is, max displacement of the plate should not go 1mm..
  4. Hello everbody, could someboby help me? I want to analyze the hertzian pressure between a ball and plate. But there are some mistake (pictures below). Thanks!!
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