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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 381 results

  1. Bounds Question

    Hi All, Am trying to understand hyperstudy using Shapes and I have encountered a bit of a headscratcher. My plate has a hole with a radius of 50mm and I want to examine the effects of changing that radius. When I apply a shape to it and get to hyperstudy it asks me for an upper and lower bound (default -1 and 1) and an initial of 0. My question is, what exactly do these numbers relate to? When I run it creates a hole 37.5mm and 62.5mm radius respectively, but how does that relate to lower and upper bounds of -1 and 1? OKay it has consistently created a difference of 12.5mm but how did it calculate this? Many thanks in advance. Is there any way I could have just said initial = 50mm, lower = 45mm and upper = 55mm? Regards Andy
  2. Cross section

    Hello I have made a lattice optimization. Now I would like to make some cross section through the model. How can it be done? I thank you in advance for your help!
  3. Hi all, I have imported a line from CATIA, into HyperMesh model (mesh). I need to find using the nodes from the mesh which are located on (near to) that line within certain tolerance. Is there any Tcl command for this purpose? At the moment, I can identify the line using its name from metadata, i.e. *createmark lines 1 "by metadata contains value" TAG Line_101 But I couldn't find any Tcl command for finding the nodes around the line on this mark. I will be very thankful for any useful information. Best regards, Mubeen
  4. Hi all, I am trying to find duplicate surfaces in a model. I couldn't find any Tcl command for searching duplicate surfaces, however there is following Tcl command from HyperMesh Desktop Reference Guide which searches faces: *createmark faces 1 all *facepreviewduplicates 1 0.1 In the status message bar, the message "5 faces are duplicate" appears. However my target is to find out the pairs of duplicate surfaces. Is it possible using HyperMesh Tcl? Best regards, Mubeen
  5. Hello Since I have made the latest update of windows, the whole menu on the bottom of hypermesh (with Geom, 1D, 2D, 3D, Analysis, Tool and Post page) is not shown properly. It looks like in the uploaded file. The selection of the Analysis page, Tool page and so on disappeared. And by selecting one of the new panel, the visualisation struggels. Is this a familiar problem? How can it be fixed? Thank you in advance for your help!
  6. Hi, I am working on OS-1360: NLSTAT Analysis of Gasket Materials in Contact tutorial. But it is showing Gasket error after running. Find the attached image
  7. TCL TO GET MIDLINE

    Hi everyone, i would like to know if there is any tcl that extracts the midline of all displayed thickened pipes comps. If not, is there way we can create a tcl to extract midline for all the displayed hollow thickened pipes.. Thank you in advance
  8. Delayed Convection

    Hi All, I have a question involving the HyperMesh preprocessor. I'm trying to run a transient thermal analysis, where there is a consistent base boundary condition, and convection is applied, but only after a delay. I'm having a hard time figuring out how to apply convection partway through the analysis. For example, I'm allowing the part to heat for 25 seconds, and then turning a fan on and blowing on it for the last 25. I have my TLOAD1, TABLED1, SPCD, and SPC collectors for convection, but I can't figure out how to apply this delay. I tried setting the TABLED1 value to 0 for the first 25 seconds, but that just sets temperature to zero I believe. I imagine the DELAY_OPTION would be helpful, but I don't know how. Thanks very much for any help you can provide.
  9. Where are these nodes from?

    Hello, When I selected nodes,more nodes are selected,but I didn't create them.I am curious that where are they from?How can I select the nodes I wanted only?thank you.
  10. Hello Everybody, I'm trying to use SPH Method with Radioss. I would like to determinate the deformation of a box full of water. I've modeled SPH Particles of water as simple cubic and I've used interface type 7 between water and box. Loads: lock of the base of box and gravity load to water particles. The simulation run without error but results are different than expected: pressure is not uniformly distributed becuase particles don't mantain the initial pitch. What is the error? In attach the .hm file. Could someone help me, please? Thanks in advance. prova_acqua.hm
  11. Hello, i just start to use Tcl script on hypermesh. I've a script who create a simple geometry and mesh on hypermesh. And i need to create boundary conditions. with the commande file I've : *startnotehistorystate {Created Force } *createmark nodes 1 1-19 1920-1945 4553-4559 *loadcreateonentity_curve nodes 1 1 1 -0 -0 50 0 0 50 0 0 0 0 0 *endnotehistorystate {Created Force } The problem is that the nodes are not always the ame (depend on my geometry). Can I create boundary conditions without the number of the nodes ? Like with lines ? Something like : *startnotehistorystate {Created Force } *createmark nodes 1 Line 3 *loadcreateonentity_curve nodes 1 1 1 -0 -0 50 0 0 50 0 0 0 0 0 *endnotehistorystate {Created Force } Thanks Sorry i'm really a beginner with TCL.
  12. plot of force for tensile test simulaion

    Hi, I am doing tensile test simulation in hyperworks using imposed velocity load collector, can anyone explain how to get forces in output results.
  13. Hello every body . Do you have experience about seam welding for optistruct . I need some help for tutorial or example how to use seam welding function . Could you please help me ?
  14. Meshing Error

    Hello, I am working on setting up a model for a simple topology optimization and I am consistently running into the same error when trying to form a mesh. I have meshed the entire design space and part of the non-design space but the final solid always results in an error of "1 edges failed nodal setup. Meshing failed". I have not been able to find any information about this error online so far. I have attached a photo of the error message and a photo of my model prior to meshing. The attached model includes the failed mesh as a "tmp" component. Is there an error in my geometry? How would I be able to mesh this final solid? Thanks ComparisonStudyModel.hm
  15. Importing Systems Include File

    Hi, i am working in Hypermesh with Abaqus Standard 3D Template. I try to import a Input file with a reference to a include file with coordinate systems. Incule File looks like: **HMNAME SYSTEMCOL Orient1, 1, 3 *ORIENTATION, NAME = Orient1, DEFINITION = NODES, SYSTEM = RECTANGULAR 3, 1, 2 3,-45.0 I get the following warning: Warning: *ORIENTATION card with DEFINITION= OFFSET TO NODES is not supported in Hypermesh-ABAQUS Resolution: This card would not have read in correctly into Hypermesh. My Question: How can I change the Orientation defintion to get it work in Hypermesh without loosing information about the systems? Thank you.
  16. The tcl command *set_meshedgeparams 0 1 0 does not seem to work in HM 2017 however it works just fine in 14. Is there any reason this could be happening and any way to correct it ? I am trying to use *set_meshedgeparams as a precursor command to *hmmeshspline Are any of the above commands deprecated in HM 2017 ? Thanks. Any help is appreciated.
  17. Skateboard Tutorial

    Hello I'm new to Hyperworks and would like to learn via tutorials, especially Optistuct and Hypermesh for ply and composite analysis and optimisation. I've found a .pdf file and heard about a skateboard tutorial but I can't find the tutorial files anywhere. I'm using Hyperworks 14 (non student edition, I believe). I would be happy if someone could help me with this. Pascal
  18. Hi , I have large amount of nodal temperature loads applied on the model. Is there any way to visualize the temperature load using contour plots in hypermesh. Also , incase of PLOAD cards applied on the elements. Can we visualize applied pressure in hypermesh using contour plots? Thanks in advance. Girish
  19. Hi, i am working on my bachelor thesis at the moment, in which i need to simulate the heat transfer absorbed by a laser. Therefore i want to apply different heat fluxes which overlap and run only for 1 second. After 1 second i want the second heat flux to start and also run for only 1 second. How can i do this? Thanks, Erdinc
  20. Query Node Based on LoadCollector

    Hi, How to export node id based on LoadCollector in .txt file? Thank you Regards, Iron_Man59
  21. Delete sub-layer element

    Dear all: I don't know the reason why there are two layers elements generated in this area. I want to delete the small sub-layer one (The element in Figure 2 is what I want to delete). How can I do that? Thanks~ BR, Yuchi Kang
  22. Exporting Assemblies to Abaqus

    Hi, I am meshing some CAD files, containing different parts, and what I need to do is export these in the Abaqus file format. In order to perform simulations, I need to export from HyperMesh the geometry grouped in parts and instanced in one Assembly, but unfortunately HyperMesh doesn't seem to allow this. In fact, everytime I try, I get Abaqus files that contains only the nodes and the connectivity matrix without the description of parts and assemblies. Help anyone? Thanks in advance
  23. Dear all, I am working as NVH engineer. in our case , we use terta solid mesh. my process : first we will make tria mesh and then we will convert into tetra mesh using ( 3D--> Tetramesh--> tetra mesh --> fixed trais/quads to tetra mesh --> simple pyramid --> create per-volume comps --> create. Then the tetramesh will create in a component vol001 ( name of the newly created component). so i need to delete the 2d mesh component and also again i have to rename the component . so i want to simplify my process. i want to create TETRA MESH (3D) in same component where the TRIA elements (2D) are present. but by deleting the 2D tria elements (automatically) during the tetra-mesh conversation process. ??? IS THIS POSSIBLE ? please give your suggestion. so that i can save some time. becoz for every item i need to rename for more than 50 components. thank you.
  24. Hi All There's an option to change BC icon size in Hypermesh, but nothing like that for load. Where should I change the load vector size with respect to my model?
  25. Solid Mapping

    I would like to request your help to solidmap this ''hm'', i tried to trim it but in the last volume allways appears non-mappable. Can you help me? And explain me why appears this error? V0.hm
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