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Found 656 results

  1. How can I use the *evaltclstring function in a globalpage.mac file in hypermesh when the tcl string inside it also has double quotes, such as, *evaltclstring("set t1 [string map {"\n\n" "\n"} $t1]; puts $t1;",0) Any help is appreciated because the above command results in my hypermesh becoming unresponsive on startup. Thank you.
  2. What is meant by card image? Why we are using? Thanks in Advance
  3. How to undo the last command in HyperWorks? Usually, Analysis software wont allow users to undo. There is no undo option. Is there any possibility to undo the last command?
  4. Hi, Is it possible to do Modal analysis for rotor with shaft ( using 3D elements) using following example in optistruct?. or it is applicable for only 1D elements problem?? I have tried . But it is not working for 3D problems OS-1372: Rotor Dynamics of a Hollow Cylindrical Rotor
  5. Dear Community, I have a problem when creating an Optistruct model for freesize optimization including a ply drop-off (PLYDRP) constraint. In particular, I created such a model in Hypermesh 2017 with different design variables (DSIZE). If I export the model in Optistruct format (.fem) and I import it again in Hypermesh 2017, I am not anymore able to see all the DSIZEs but I can see only one of it. I have created a simple model to give you an example. In the file attached, you will find (among the others) four DSIZEs: top, bottom, left, and right. The PLYDRP constraint is activate for all of these design variables. If I export the model to an Optistruct input file (.fem) and I import it again in Hypermesh, I cannot see anymore the four DSIZEs, but only one of them (top) is still there. This happens only if PLYDRP is activated. I would really appreciate if anybody could give me an explanation about this strange behaviour and what to do to avoid it. Thank you in advance, Alessandro plydrop_issue.hm
  6. I'm working on a project on stress analysis of a typical truck chassis frame. I need to mesh the chassis which contains 400 components, mostly nuts, bolts & washers. Can I eliminate all the nuts, bolts & washers for simplified meshing? Will it have an effect on the result? Kindly help as I'm finding it difficult to mesh 400 components. Thank you (:
  7. i am trying to optimize the topology of this tub chassis to get the load paths of the load applied in the form of torsion,braking,acceleration and lateral acceleration. giving minimum element size as 100 i am doing this but it shows this design is not feasible can anyone suggest what is the problem. i have attached .hm file with the question.finally my objective is to minimize the mass of the chassis to convert this tub in space frame. https://www.dropbox.com/s/mzyq7n9dfd9ds5a/topology2.hm this is the link for the .hm file
  8. Hi, Could you provide me some sources or example codes, where I can see the method & commands to write my own menu in Hypermesh? I want to populate the menu list with the macros and access them much easier than under standard User button. Thank you for your advices, Peter
  9. Hello I'm newbie here and I'm still learning tcl/tk and I have problem with bind function in hypermesh. I would like to run a function when the user clicks the left mouse button. For example I want to read position of pointer. I'm using bind function: bind . <Button-1> {myProc} The problem is that it doesn't work when I click mouse button in graphic area. It works fine when I click toolbars or tab areas, but I want to run my function if I click anywhere in HM window. Instead of Button-1 I can use space button in my bind function: bind . <Key-space> {myProc} It works well but it's pointless and you have to use keyboard. Any idea or suggestions how to deal with this? Thanks a lot for help Regards
  10. Hi All, I am selecting component using *createmarkpanel comps 1 " " ; Now i want to know selected component contains 2d 0r 3d element; Regards, PD
  11. I am trying to squeeze a femur model with two sets of stiff springs top and bottom, and allow it to rotate with the other (spring BCs come from a research paper). Instead, the model bends where the mesh meets the springs that should remain mostly straight. However, I have tried adjusting all DOF stiffnesses in the PBUSH card without luck. All springs have been assigned to the local coordinate system (shown in right on photos) using CBUSH card. It seems to me I need to stiffen K2 or K6 (y-tension, z-moment), but neither of these solves the issue. Attached graphs show "TY" stresses. Femur_Model_6_26.fem
  12. Hello everybody . Please support for me ! For example, i have 5 components and set properties . I want to edit card element . Convert option from BLANK to OFFSET . Offset value = 1/2 thickness of component . Then show 2D detailed to check Thickness . How to write a tool tcl to perform that operation ?
  13. how to subtract two tetramesh components from one another in hypermesh? I was having stl files, then I have converted them into 3D tetramesh. Now i want to subtract volume of one part from other.
  14. Hi, I need SCRIPT for automatically saving Hypermesh with an intravel of time. Please help anyone. Thanks in advance. Thanks, Dinesh chellaiya
  15. Hi! I'm trying to mesh a solid with TetraMesh and it states the following error: "2 edges failed nodal setup. Meshing failed". But I can't see anything wrong or red colored or anything that tells me where the mistake is. Even with visualisation options. The solid is created properly with bounding surfaces so I guess there are not free edges. Could you help me?
  16. I have a mesh in component1 and another mesh in component2. Is there a way to do a node equivalencing operation from comp1 to comp2? What I mean is, while I do this operation, I don't want the nodes on comp1 to equivalence to nodes on comp1 (no node equivalencing on the same component) Thanks!
  17. Hi, I have a model with multiple components that shares several materials/properties. I want to know the number of elements associated to each material/property within each component. For example, one component is made of 100 elements which are assigned to 22 different materials. I want to know how many elements within Mat1, Mat2, Mat3, etc. Right now I am doing this manually by isolating each material and counting displayed elements. But this takes long time and very tedious. Is it possible to automate this task by writing a TCL script or exporting a custom output file? It would be very nice if I can get something like: Mat1 Mat2 Mat3 Mat4 Matx Component1 10 9 50 0 XX Component1 15 55 4 22 YY Thanks, Mselim
  18. Hi everyone, I am modeling a 3D hollow element made by more components in Hypermesh to conduct NLQS analysis with Optistruct. My system is symmetric and I want to know if there is the possibility to tell the software that the unmodeled part is the mirror of the modeled part, so that it considers the constraints due to the symmetry. I know the software allows to reflects elements, but I would like to not works with too many nodes. I attach pictures: 1 is the modeled/discretized part; 2 is the entire system (modeled, unmodeled parts) Thanks Martina
  19. Hi Everyone, I am working with Radioss. I use TYPE 7 and TYPE 2 contact for this model (You can see from an image below). I set the Engine file as shown in image below. In the beginning, Radioss run normally. But later found a problem, Time Step Less or Equal Zero Error. (Previous model, I set nodal time step in engine file less than zero but Radioss run normally.) Can anyone take a look into my model what's wrong. what change, I have to make. Thank you in advance.
  20. Hi everyone, I am simulating a tensile test with Optistruct. The analysis is NLQS and the material is isotropic. I set the analysis as proposed in the eBook "Introduction of Non linear finite element analysis using Optistruct", section 3.1.5 Tutorial: Small-Strain and Large-Strain Plasticity in a Test Coupon. I would like to understand how to set the CELAS1 element in order to use it for the building of the force-displacement output curve. I created the element, but the output curve results flat, so I think the problem is the Set. Attached is the .fem file, is usefull. Bests Martina MODEL2_surfs_JarvO1_NLQS.fem
  21. Hi , Is there a way to edit panels created using *createmarkpanel? we get a panel by using the command " *createmarkpanel nodes 1". We have only proceed option in that panel. Is there any way i can edit the panel and create 2 buttons called "Reject" and "Return" Thanks, Bharath
  22. Hello all, In a part of my script the vector coordinates are pulled for a later use. When I execute I have the following error message --------------------------------------------------------------------------------------- Error: can't read "vx1": no such variable while executing "*createvector 1 $vx1 $vy1 $vz1" --------------------------------------------------------------------------------------- Code: *vectorcreate_twonode $x $y set vectorList [ hm_getmark vectors 1 ]; foreach vct $vectorList { set vx1 [ hm_getentityvalue vectors $vct "xcomp" 0 ] set vy1 [ hm_getentityvalue vectors $vct "ycomp" 0 ] set vz1 [ hm_getentityvalue vectors $vct "zcomp" 0 ] return "{ $vx1 } { $vy1 } { $vz1 }" } *createmark nodes 1 $x *duplicatemark nodes 1 25 set r [hm_entitymaxid nodes 1] *createvector 1 $vx1 $vy1 $vz1 *translatemark nodes 1 1 10 ------------------------------------------------------------------------------------------------------------- Would be great if someone could tell how to reference the coordinates vx1, vy1 and vz1 in the other parts of the code. Thanks in advance
  23. Hi everyone, I am simulating a tensile test of a homogeneous isotropic material, according to the coupon bar example in "Introduction of Non Linear Finite Element Analysis using Optistruct". I imported a different material and the coupon bar geometry is a bit different. I do not understand why the numerical force -displacement curve decreases after the yielding point, while, for example in the ebook, it follows the input trend. I though the possible problems could be the definition of the true stress-strain curve, or the NLQS parameters NINC and NLOUT, the chosen finite elements (tetrahedral; I used this type because I have to calibrate the material to perform analyses on more complex geometries). Can anyone find the problem? I attach the .fem file (ModelB_prova_NLQS). In additiion I attach a model that behaves as expected (Model2_surf_prova10_NLQS ModelB_prova_NLQS.fem MODEL2_surfs_prova10_NLQS.fem
  24. Hello everyone I have a quite complexe geometry to mesh. For this I have applied 'Check Elements Quality Index', where it shows the quality of the elements. Now I would like to know, if there is a possibility to cut the model, to be able to see the inner contours and how the elements looks there. Then I could have a better overview of the situation and know what to change for the mesh. I thank you in advance for your help!
  25. Is there any way to display the reference geometry in HyperWorks 2019.1 X? In HyperCrash there is an option to display it. But in HyperWorks X I cannot find the way to show the reference geometry, even the "Preview" option does not make it. See the same opened file side by side.
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