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    • Rahul Ponginan

      Please click here for a short but important announcement   03/26/17

      Dear Users Our Commercial and Academic users around the world can use these same forums here as before i.e. the Altair Support Forum , Commercial users from India with solver queries can go to the Solver Forum for India Commercial Users , Academic Users from India and AOC India Participants are requested to go to the Forum for India Academic Users and AOC India Participants , We will be tending to all queries in all the forums promptly as before, thank you for your understanding. 

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Found 13 results

  1. Results from Ansys 18.2

    Hello,I want to upload the results from Ansys 18.2 to HyperView.Loading files with RST extension.I do not know what to choose in Select Model Reader and Select Result Reader.
  2. sir, where can i find full vehicle file of taurus for crash in radioss forum?

  3. Missing geometry in results

    Hi all, I am very new to using Optistruct and I'm having a weird issue. I run my model and the output file gives me zero errors. When I open the results some of the geometry from my model is missing. Specifically, it's the part of the geometry where the load is applied. Does anyone know why this happens and how to get the geometry to appear in the results? thank you!
  4. Greetings Forum Members, I am writing to understand the various result options (especially in stresses and strains) available in Optistruct (or any solver) Post-processing. Usually everyone follows the industry thumb rule of looking at VonMises stresses, Displacement (Mag) and Plastic Strain or equivalent plastic strain. But there are a lot of other result options available but many never seem to use it. I have attached screen shots of the some of the various result options (Stresses and Strains) available below:- Could anyone Kindly go through the above results options and explain the differences between them also establish a understanding of when to use them. For example, 1) what is the difference between VonMises, VonMises (Z1), VonMises (Z2), VonMises (mid). What does the Z1, Z2 and Mid imply? 2) what is the difference between P1 Major Z1, P1 Major Z2, P1 Major Mid and P1 Minor ? Even a simple answer in simplistic terms would suffice. Also kindly share any reference material available in understanding the results? What to look for after the analysis has been completed? Thank you. Best Regards, Bharat Pinapati
  5. simulation

    ın radios, while continue simulation can I monitor the results? I wonder how is proccesing the solution and I want to see simulation while radioss run (until solved time step)
  6. Hello, Optistruct stores all iterations of optimization as standard. It is possible to determine what is stored? For example, if i would like to save only the initial, first and last iteration of the topology iteration. Thank you
  7. Hello, i need your help... i have the topology optimization results of different FEA Solvers. Now i would like to reanalyze it in hypermesh. All optimizations based on the same mesh. For the reanalysis i have the .fem Modell. For each optimization i have a result file in the form: element_id density 1 0.1 2 0.121 3 0.9 ... Its a file with several thousand lines.. I would like to do this steps: 1)load the .fem file 2)load the result file 3)create components for the elements with the same density 4)create properties for every density 5)assign the property with the corresponding density to the elements --> reanalyse I dont know how to implement this. I have no experiance with programming in hypermesh. Is there a way to do this? In return, I will present my results here. Thany you Regards Andreas
  8. Query about OptiStruct Topology Optimization

    Hello, can you tell me? I am not getting the complete result of my topology optimization. I wanna do topology optimization of the differential case of differential gear box. My FEA analysis is fine but optimization results are showing only in blue and red region form in element density. and how to compare of our final result from our original model that how much material we can or did remove from the model?
  9. Results list

    Hello, I'm working with linear dynamics (modal, harmonic and transient) analysis in OptiStruct and I wonder if I can extract the results of displacement, velocity and acceleration in list format or export to excel?
  10. Hello all, I am post processing results of my analysis in HyperView. I want to probe results and take screenshots of the same for a report. When I use the 'Query' tool it helps me probe the results however it displays node number on the screen. I want to view stress/strain on the screen instead of the node number as it is easier to see the value on the model instead of reading the node number and then looking it up in the table. Can someone please tell me how to solve this? It will be a big help. Thanks
  11. Evaluate Tensile test results

    Hi, I'm looking for a possibility to evaluate tensile test results. That means I have done a tensile test analysis in hyperworks (imposed velocity...) and the same test also on a test bench in reality. So I have the real results (force/displacement diagram, stress/strain diagram) and want to compare the simulation with these results. But I couldn't find a way to do this comparison. Do you have any idea how to handle the simulation results? Maybe create a stress strain or force displacement result in hyper view/hypergraph? Thank you very much for your help!
  12. When viewing animations and contours in hyperview, I can only see the Von mises stress contour plots. (Scalar) There are no tensor plots. How can I get a contour plot for principal stresses? I tried the /TH/Bric from the output block for a time history. But that only gives a graph in hypergraph for selected elements. I want to be able to see animation like Von Mises animation in hyperview and also know what element is subjected to max principal stress. How to obtain such plots? Thanks, Edit: I think I need to use the Anim options from engine file. But I cannot increase the card count beyond 3. How to get more than 3 anim/keyword2/keyword3 entries?
  13. Hello! I am wondering if there is any way to refresh the result in hyperview while keeping the post-processing style used. Currently, I am saving the session (.mvw) file and reopening it everytime I have new analysis results. If I open the result file, hyperview removes all of the post-processing style I used. It is kind of annoying to reopen the whole session just to update a result from one analysis. I wish there was a refresh result button or an option to keep actual style when opening a result file. I am sure it would be easy to implement this as the "apply style" option easily tranfers a style to a result window. Maybe it exists but I don't know where. Anyone having the same needs? Anyone knows another trick? Thanks in advance!