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Found 650 results

  1. 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
  2. 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.
  3. 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.
  4. 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.
  5. 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.
  6. 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
  7. 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
  8. 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
  9. 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
  10. 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
  11. 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
  12. 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
  13. Hi, can Non Linear Finite Elements (based on Absolute Nodal Coordinate Formulation or ANCF) be created with Hypermesh preprocessor?
  14. Hi , in current situation we all are working from home with remote desktop to access office machine and work on Hypermesh. We are facing issues with each single hypermesh commands.Its very slow. Do Altair team has some solution to this? Or any reason behind this? Regards, Mayur
  15. Hi everyone, I am new to lattice optimization, and i want to control the diameter beam size and have a better understanding of CLEAN option. If i understood well, CLEAN option can be used with MinRad to delete beams under the radii defined in MinRAD. - When i don't touch the lattice parameter panel, CLEAN is set to YES by default and clean beams with very small radii (E-05 mm) at the end of phase 2 - When i use only MinRad (2mm) and CLEAN set to NO, it get all the beams above the radius defined. - But when i use Minrad with a radius of 2mm and CLEAN set to YES, it has trouble creating a feasible design. Is it because CLEAN option only works with very small radii ? It doesn't simply delete beam under MinRad in the end of optimization? For information, my mesh size is 5 cm, and my objectif is to create à structure with big enought beam, but with less beam without changing the mesh. Thank you in advance.
  16. At the time of splitting solids with planes, some edges are "moved" and give place to new surfaces that I do not want to create in the first place. Has anyone faced this problem in the past or knows how to tackle it? Thanks for your help
  17. Good morning, Could you guys tell me what is the card to put together two TLOAD? For example to put different SPC we can use SPCADD. Thanks a lot in advance!
  18. Good afternoon, I have a BEAM (CBEAM) component and I would like to see how it deforms due to a VARIABLE TEMPERATURE applied to the whole BEAM. Is that possible? Obviously I would only like to see how it deforms on the direction of it's axis (as a BEAM is a 1-D element). The TEMPERATURE would go from 17 to 23 degrees in 6 hours (1 degree increment every hour) Thanks a lot in advance! Sergio
  19. Hi all, I've got myself into a bit of a problem meshing a 'composite' part. I'm investigating the use of continuous fiber reinforced 3D printing as part of a project at Uni, where I'm using the Markforged 3D printer to specify fiber orientation etc for max stiffness/minimum weight. I have successfully simulated my basic tensile tests in ABAQUS but I'm now looking to use OptiStruct to optimise the lay-up of my design, which is a printed joint connecting two tubes at 90-deg angle with a flanged base for mounting. The design is unconventional for composites, ie not a thin shell where 2D elements can be used. I've done a few of the Hyperworks composites tutorials but none are representative of my problem so I'm looking for guidance on the meshing of the part. Being 3D printed, it is manufactured layer by layer, meaning the fibers are all parallel to the base plane, but the part has a complex geometry with different wall thicknesses, tapers etc. I reviewed using midsurfaces but I couldn't make any real progress with it. I know you can use the MAT9 for 3D composites but will this still enable me to optimise the laminate layups? I was maybe thinking of breaking down my model into each part i.e. base, stiffener and joint? I'm looking forward to hearing what people say - I'm fairly new to Hyperworks but I'm really enjoying learning it!!
  20. Hello, I have a persistent error on some elements : ** ERROR ZERO OR NEGATIVE 2D SOLID VOLUME I work with QUAD in Axisymmetrical. Many additional errors were remove during debugging. A similar model (I believe) under an old version worked, however... etienne_AXY_cu_ag.hm
  21. Hi , I want to take screenshots of the HM model. Since my screen is wide, the images that I capture are naturally wider (say 16:9) . I want my images to be slightly narrow (say 4:3) Manually, I achieve this by adjusting left and right tab areas. Is there any way to do this programatically? Thanks!
  22. Hi all I have just discovered aerospace certification stress tool. It uses python scripts to do analytical methods . However i can not get the correct ms vaules. can someone help me to find a way to implement my own method to this tool? regards
  23. Hello, I am facing a problem while creating a 2D surface mesh in TCL Code in hypermesh. The settings done in "*interactiveremeshsurf" and "set_meshfaceparams" seem to be ignored for all surfaces and overwritten by the settings written the GUI at 2D-->Automesh-->Edge deviation. The code can be seen below: *setedgedensitylinkwithaspectratio -1 *elementorder 2 *startnotehistorystate {Automesh surfaces} *createmark surfaces 1 [lindex $List_OP($i) 0] for { set ii 1} {$ii <=[llength $List_OP($i)-1]} { incr ii} { *appendmark surfaces 1 [lindex $List_OP($i) $ii] } if { 1<=$i && $i<=3 } { # markmask, elementsize, elem_type (0 trias, 3 rtrias) *interactiveremeshsurf 1 0.25 3 3 2 1 0 set i_am 0 foreach Element $List_OP($i) { # index (von 0), elem_type, alg_type, elem_size *set_meshfaceparams $i_am 2 3 3 0 1 0.5 1 0 *automesh $i_am 1 3 incr i_am } *storemeshtodatabase 1 *ameshclearsurface *clearmark surfs 1; *endnotehistorystate {Automesh surfaces} Am I missing some command? Thanks and best regards, Henrik
  24. Is it possible to create some commands or steps to follow so that when somebody else opens the file he/she can read them and know how she/he has to hide or show assemblies for a certain type of analysis or load steps? I hope I explained well. Thanks in advance!
  25. Hi, I need to add a customized button in the panel below. Kindly help me find the solution Regards Saumya Mishra
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