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Found 663 results

  1. I want to obtain Shear Force and Bending Moment for a cantilever beam with concentrated end load. How can I obtain it? If there are any specific tutorial will be useful.
  2. I am unable to view the full window of the Resultant Force and Moment tab. How to expand the tab?
  3. Hi, I need to create a glued contact between shell and a solid components to do a modal analysis in NASTRAN (the equivalent would be a Freeze contact in Optistruct). Can someone help me on how to create these contacts?
  4. Hello, In Hypermesh I would like to update the node coordinates of the nodes of a certain component in my model (new coordinates based on results of some simulation). I have a separate text file with per node ID the new coordinates. With TCL, I want to go through this list and update the node coordinate, using *setvalue or *nodemodify. However, either of these commands take ~100 [ms] per node to update. Since I have more than 50,000 nodes, this will take too long. Exporting the model to a text file and editing it there is the current workaround but not preferable: I need a hypermesh file with the correct node coordinates and (very important, and the main source of my problem) the connection with the geometry. So, I thought to use threads. However, this does not seem to work in Hypermesh. If I run the example file from some TCL book (which runs fine in the normal TCL shell) nothing happens: threads are created and destroyed but if I send something to the thread to be evaluated, nothing happens. Can anyone help me how I can modify the coordinates of multiple nodes at the same time by using some kind of parallel processing? Edit: I also tried *setvalue with multiple nodes on a mark but then all nodes get the same coordinate. For example: *createmark nodes 1 1 2 3 *setvalue nodes mark=1 coordinates ="[list {0.0 0.0 0.0} {0. 0.1 0.1} {0.0 0.1 0.2}" (without the "" but otherwise it was not shown in this message) results in all 3 nodes having coordinate 0.0 0.0 0.0 Kind regards, Loesje
  5. Hello Altair community, I am working on performing a modal analysis in HyperMesh and am having trouble figuring out how to shorten the ends of the horizontal beams so they do not interfere with the column at this joint: I was able to find this short illustration in a PDF document provided by Altair: However, I cannot find an explanation for how to do this elsewhere in the PDF. If anyone knows how to accomplish this, it would be greatly appreciated! Thanks for your help!
  6. Hello all, is there a way to create sets contain lines, surfaces or points. My aim is the call those sets or lists in a tcl script. thanks in advance
  7. I am able to connect hypermesh from python terminal through dde commands..and successfully able to pass commands to hypermesh . but when requesting [dde request], it is throwing error "remote server cant handle this command" .. request for help/guidance. @tinh Please help me.
  8. hi all, Can anybody help me with this script? problem statement: I have lot of element pockets (or disconnected elements groups ) in hypermesh display window. The process i want to do: 1.select a random element from the window and find attached all elements (first element group). 2. create a set with above selected elements and mask them. Then the step 1. ( a loop till all the elements are added to sets) thanks in advance
  9. Hi, I am a beginner at using HyperMesh and I need some help regarding this issue. I want to achieve Node to Node connectivity between two seperate parts from one Assembly. I meshed both with Volume Tetra Mesh. I have also already found and read an older post where someone asked a similar question on how to achieve this. The way I interpreted it is that I have to mesh first the red Part and then I have to Project the Elements from the red part onto the gray part. The next step would then be to Volume Tetramesh the red part? Unfortunately I cannot get it done, everytime I try these steps there is no Node to Node connectivity. Maybe someone can give me a detailled step by step explanation so I can find what I am doing wrong. Here is a picture of both parts, (i have already meshed them here with volume tetra) Best regards TimM Test Model.hm
  10. Hi everyone, I am on my self paced meshing training using HM desktop. I would like to do 2D cfd simulation. How to do mesh extrusion in HM and reorganize the element to the respective surface (inflow, outflow etc)? In AcuConsole, there is mesh extrusion, is the extrusion feature available in HM as well? I mesh the top first (as shown below) then want to extrude -0.2 m in z direction. then it become volume element. i not sure how reorganize element for surface boundary condition such as inflow, outflow etc which required 2D element. Btw, is mesh extrusion available in HM CFD?
  11. I have followed every step mentioned in the pdf. file but I am not able to get the accurate results . I am not sure whether the values are proper but i dont feel it is correct. and why have they constrained XY direction end nodes to x direction? is it because of symmetry or to fix the component? hull2 nd.h3d hull2 nd.html hull2 nd.mvw
  12. Hello, I am currently on the verge of completing, " Learn pre processing with Hypermesh Part- 1". But I am stuck at the last exercise of 2D shell meshing and topology refinement. I am able to successfully load the 2D model and do the automesh. But the edit parameters window is not opening in the auto cleanup interaction menu. I get an error message I tried closing and reopening the model, used a different model and I even tried restarting the computer. None of these worked. I tried reinstalling Hyperworks. It worked for the first time when I opened the model. But after I closed the application and tried again, it stopped working. Can you please help me with this issue?
  13. Hi all, I'm trying to put a script together which uses tickboxes but can't seem to find the command to produce a tickbox. Anyone have any ideas? Cheers Andy
  14. Model Checker is a very useful tool embed in HyperMesh that performs a series of verifications in your model in order to catch most common errors even before submitting the model to run, as it may take some time to export it and then launch it. To Load the ‘Model Checker’: [HWx and HM Desktop] Ctrl+F >> ‘model checker’ [HM Desktop] Tools > Model Checker Once it is open, you can perform a check by right-mouse click (RMB) and click ‘Run’. Model Checker will verify your model considering the most common ERROR and WARNING scenario for your solver.
  15. Hi all, how can single data points be excluded from the source in HS 2019.1? I have a model from Hypermesh with a few solid elements showing stress singularities due to a freeze contact with beam elements which are physically not valid. Is there a way to exclude single element IDs, a range of IDs, a set or exclude all elements above a certain stress threshold? I could not figure out how to correctly use the filter field in the data source menu.
  16. Hi everyone, i want to solve this problem where there are forces on the 4 point and check the FBD forces at the constraints. i run it in the solver optistruct and got the result. When i open the fem and op2 file in hyperview to check the FBD then it opens the file but when i select an element or node an error message showing 'no valid cross-section for plotting' and doesn't work.
  17. Hi, I did mesh in hypermesh. Now i want to export those mesh in STL format but when i am exporting it shows elements not defined in the template. How to overcome this problem. I want to export the mesh as STL file. Can anyone help me please.
  18. Hello, i have a curved shell-geometry on which i like to reorient the nodal coordinate systems to follow the curvature. I only like to do that for the nodes on the edge. With that nodal systems i like to assign rotational boundary condition following the curvature of the shell-geometry. I am using OptiStruct for Solving. How do i proceed to achieve this goal? Thank you very much for your help! With kind regards Tim
  19. Hi all There are a lots of bdf file from different team mates. I would like to use hypermesh to check all bdf file for duplicate elements or free nodes etc.. Is it possible to select multiple bdf files once and run these check rules? Best Regards
  20. Hi, I would like to reflect a previously created co ordinate system. I'm able to reflect all nodes & elements (here in need the same FE for RH side as well). I do not see an option for the same. Alternatively, any tcl command also would help me since I'm familiar with it. Regards, Gokul
  21. Hi, I wanted to do a simulation of a 2D-problem, but when I did the mesh it is obtained differnte size of elements for the left-face and up-face, what I wanted is the left-face obtaine the size of the up-face. I defined both two face wit the same size in the meshcontrol, but at the moment of truth this doesn't happen, so I want to know if it's possible change this above the mesh that alrady is, or if there is some parameter in the meshcontrol that allows to establish the number of element or node for a face or edge. Thank you in advance
  22. Hello everyone, I am attempting to mesh a full vehicle model of an open-wheel racecar in Hypermesh, for export to Virtual Wind Tunnel. So far, I have been successful in meshing the model without the suspension components and wheels. However, when the suspension and wheels are attached, it seems like there are way too many intersections/penetrations and free edges to fix. Does anyone have any tips on how to cleanup the geometry to get rid of most of the intersection and free edges issues? Thanks for your help, Tommy
  23. Hello everyone, I did a 1D topology optimization of a lattice structure (composed of a large amount of PBeamL elements). I want now to perform a Size Optimization of each beam section. Is it possible to generate automatically the design variables (and design variables property relationship), of the lattice structure at this point ? Thank you in advance for the help. Nathalie
  24. 固有値解析のFEMモデルをFemap with NASTRANで作成しました。 ファイル拡張子はdatです。 NASTRANで解析したところ、非常に長い時間がかかりました。 時間短縮のため、HyperMeshにインポートしてOptistructで固有値解析を実行したいと思います。 しかし、図のように操作すると、次のエラーが発生しました。 *** ERROR # 827 *** Invalid ASET run, PARAM,EXTOUT,DMIGPCH or PARAM,EXTOUT,DMIGBIN must be specified for DMIG output. エラーを解決するにはどうすればよいでしょうか? 参考資料があるとより助かります。 また、同じモデルでOptistructを使用して周波数応答解析も実行したいと思っています。 以下は、datデータの抜粋です。 INIT MASTER(S)NASTRAN SYSTEM(319)=1ID Neo66B,FemapSOL SEMODESTIME 10000CEND TITLE = MSC/MD Nastran モード 解析セット ECHO = NONE MFLUID = 1 DISPLACEMENT(PLOT) = ALL METHOD = 1BEGIN BULK$ ***************************************************************************$ Written by : Femap with NX Nastran$ Version : 11.1.1$ Translator : MSC/MD Nastran$ From Model : D:\Neo66BC_Hull-vibration_Standard.modfem$ Date : Mon Jul 14 08:00:18 2014$ ***************************************************************************$PARAM,POST,-1PARAM,OGEOM,NOPARAM,AUTOSPC,YESPARAM,GRDPNT,0EIGRL 1 .5 30. 0 MASSCORD2C 1 0 0. 0. 0. 0. 0. 1.+FEMAPC1+FEMAPC1 1. 0. 1. CORD2S 2 0 0. 0. 0. 0. 0. 1.+FEMAPC2+FEMAPC2 1. 0. 1. $ Femap with NX Nastran Constraint Set 1 : ASETASET 3 123...ASET 50126 123$ Femap with NX Nastran Property 20108000 : Mat01_t8.0PSHELL 20108000 1 8. 1 1 0.... ELIST 1 200001 200002 200003 200004 200005 200006 200007+ ...+ 208872 208873 208874 208875 208876 208877 $ Femap with NX Nastran Region 1 : 無題MFLUID 1 0 5375. 1.025-9 1 N NENDDATA
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