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Found 637 results

  1. 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
  2. Hi everyone, I have problem obtaining the TCL command of auto contact pair finding. My model contains 6 components, I use the Abaqus contact manager to automatically find contact pairs for me. Manually, I can successfully find contact pairs. Since I want to run this process automatically by TCL script, I do the process manually and check out the code added in the command.cmf file. Unfortunately, the code are very long, approximately 50000 lines. Also, the code are about nodes' data and surface set, which is not I am looking for. I am looking for the command that represents the buttons "auto", "components: all", "find", "create". I will show these buttons in the figures attached. By the way, the file: raw.hm is my model. Again, my goal is to get the TCL code for finding contact pairs. Please help me, thanks! raw.hm
  3. 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.
  4. 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
  5. 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
  6. 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!
  7. 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!!
  8. 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
  9. 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!
  10. 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
  11. 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
  12. Hi all I would like to get a list of thickness for selected elements. I wrote these codes but it gives just one thickness as a result. Could you please help me ? *createmark elements 1 179 79 150 279 35 ... set test [hm_getthickness elements 1] foreach elements $test { puts "$test" }
  13. Hello, I would like to have a node numbering in a prescribed order. Requirement - Nodenumber sequence from top to bottom and follwing the same from left to right in the X-Y plane. This works well as shown in the figure. The requirement is to witness the same numbering order in all the X-Y planes along Z axis. The drag option along Z axis is used to create 3D elements. I dont achieve the node numbering in the same order as that on the 2d plane. The node numbers skip and have no sequential order as shown in the figure below. The renumber option available did not turn out to be of much help. Any sorts of suggestions or help is appreciated. Thanks, Sankalp
  14. 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!
  15. Hello, Is there a direct process for dragging the selected nodes for creating the elements and maintaining their connectivity with nodes along the red line? ( I am asking about a direct process in which I will not require to split / edit the surface or change the number of nodes on an edge) Thanks Bharat
  16. Hi, I need to add a customized button in the panel below. Kindly help me find the solution Regards Saumya Mishra
  17. Hello, I am a civil engineering student who is using HyperMesh to create a model of a small-scale tower as part of a civil engineering design club. I have no prior experience with HyperMesh in the past and am currently learning all of its functionalities and capabilities on the spot. I am currently having a problem with creating a uniform "hex8" solid mesh for the solid in the image below: The mesh, containing 3-D quad elements, has been created, but there are warped mesh elements along the sides of the component: I would like to be able to make all the 3-D mesh elements cubes, all with side lengths of 0.0127 units, and these mesh elements will correspond to only one component. If anyone can offer tips on how to resolve this, that would be much appreciated! Thank you very much for your help!
  18. Hello, I'm a beginner user of HyperMesh and OptiStruct and I have to create a 3D mesh of a solid CAD (1 component) to perform a linear static analysis and to do a lattice topological optimization later on. After the import of the .step component, I tried to mesh it with the Quick TetraMesh tool but it generates a "meshed component" different from the first one, as well as a new material. How can I make the 3D mesh directly on my component (as I can do through "Volume tetra" tool by the onglet "Elems to Surf/Solid Comp")? Or, how can I manage the meshed component and the new material created in order to complete the analysis? Thank you in advance,
  19. Hello, I am using HyperMesh 13.0, and I want to automesh a large number (hundreds) of CAD files containing only 2D surfaces which have minimal geometry deviations such as varying in fillet radii. It is parametric CAD models with fillets as varying parameters. BatchMesher works well for me in generating a 2D surface mesh and the mesh quality it generates generally is acceptable for my purpose. However I want to fix a number of elements in the fillets in my CAD models, and I can't find this option in the BatchMesher parameters. At the moment, some models with smaller fillet radii have insufficient number of elements. I have read the help manual, and it says there is a way to specify the number of elements along the fillet, which is what I want, by modifying the Parameters file. However when I add a number to the "minimum number of rows" box, it does not work. Image is attached here from the help section. Please can someone tell me know how to fix the number of elements along a fillets when using BatchMesher? Many thanks, Hamid
  20. Hi there! I am trying to simulate a flow of humid air running through an helical pipe. As the air flows, it gets cooled from a negative heat flux on the walls of the pipe. Any thoughts on how can I approach this problem? Currently, I am not able to run the simulation because I get an error "Negative absolute pressure for humid air".
  21. Hi, I have a question regarding the Turbulence Intensity parameter that is located under the solver browser in Hypermesh 2019.1 (AcuSolve User Profile). What are the units of this parameter? Is it represented as a percentage or ratio? (I've attached a screen snippet) For example in AcuConsole GUI, the turbulence intensity parameter is input as a percentage (e.g 2.5 for 2.5% turbulence intensity). Best regards Brenton
  22. Here is my .hm file. I would to connect the design and non design component as a whole but i still do not manage to do it. Please help me guysss !!!! TRY.hm
  23. Dear everyone! I want to export my ply-based shell composite laminate from HyperMesh to a STEP or PARASOLID file. I used the following option: File>Export>Geometry Model My composite laminate can not be imported properly into Solidworks 2019. Tried a lot of options but I could not reach that the shell elements (and plies) had the proper thickness. In Solidworks there was only a surface without thickness. I would like to design a tool for manufacturing and I need the proper geometry of my composite part. Thanks for your answer in advance! Imre
  24. 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.
  25. Hi everyone, is it possible to define as input data the behaviour curve of a non linear elasto-plastic matierial in a MAT1 card image material with the NL parameters activated? I tried to import the curve, changing the TYPSTRN value, but the solver Optistruct does not start. The curve has non linear trend both in the elastic that in the plastic phase. Bests Martina
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