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Found 620 results

  1. Hey Guys! I've just wondering, it is useful to apply second order element for composite in Hypermesh using Optistruct as a solver? I think the composite theories use pretty much linear approximation between layers that's why I'm asking this "silly" question. Thanks for answers in advance! Have a nice day, Imre ps.: if you have any good tutorial, books etc. for composite modeling I would be grateful if you can share with me! :)
  2. Hello forum, I have been trying to capture the center line of any given pipe/tube. But I don't find any readily available API. So, how should I proceed so that I can create one for myself ? Regards, Brahmadev.
  3. I need help defining the contact between the parts shown in the attached image. The solver is Abaqus. I have given tie constraint between 1st and 2nd part (both master and slave are selected as surface). these two parts should be like glued to each other and no separation between them. but the tie is not working as the 1st part is passing through the other. also, the 1d line element should move with the parts to which it is connected. thank you
  4. i was new to connections. can any one guide me in this?
  5. Hey guys, I want to calculate the mass of my model using a tcl-script. Is there a simple command to do this? (I haven't found one yet.) If this is not the case, do you know another way how to solve this problem? Kind regards Simon
  6. Hi all I made drag and drop feature for Hm https://www.youtube.com/watch?v=ZEjagCOMg0I Hoping new versions will have such feature download here:
  7. 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
  8. Hello experts, I am hypermesh_optistruct user. i have heard about a new feature in OptiStruct 2018 named "initial stress". i have looked at some papers from Altair but all the information is about BULK-DATA in OptiStruct. There is nothing about "how to assign initial stress in HyperMesh interfaces" Can somebody help me? Appreciate any help. Thank you verymuch!
  9. I am positioning a meshed model as per new CAD. However, I also want my systems to position. Is there any way to do so?
  10. Hi, I am attempting to create lattice members using a 3D geometry, I have come across a paper (see attached, pages 3 and 4) that uses the mesh to create derivative bars and nodes, I'm wondering if anyone knows how this could be achieved within Hypermesh and would be willing to talk me through the process. Kind Regards, Laurence Finite-Element-Mesh_Based_Method_for_Modeling_and__(1).pdf
  11. Hi, I have a structure made of 3d solid map hex mesh elements, ie. primitive unit cells (see primitive image attached). I have turned my hex mesh elements into bar2 elements. I would like to create a central node to the primitive unit cell and connect bar elements to this central node (see body centred cubic image). I know this will most likely be a TCL script problem but I'm not sure how the script would be written. I have successfully created the primitive unit cell and used config edit tool to create bar2 elements (CBEAM's) But I would now like to do this with elements connected to a central node. A comparison of what I'm attempting to do can be seen in this paper: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6265793/pdf/materials-11-02073.pdf I look forward to hearing from the community, Kind Regards, Laurence
  12. Hi, I have split my geometry using the trim panel. I did this with a surface. Can anyone tell me why the section that has not been given a mesh in my .fem not mappable? I get the message "non-mappable(2) along-faces form 0 loops need 1." I'm guessing I have to split the geometry further but I'd like to know why this has happened. Thanks, Laurence Actuator_forum.fem
  13. Hi everyone, I am looking for a card image to import node information as text file in a FE model in Optistruct. I have to import residual stresses due to production process, so they are pre-processing information. I found IC card image in GLOBAL_CASE_CONTROL. What about that card? I did not find any description about it. Best regards Martina
  14. Hello All, I want to delete elements on YZ plane. How can i delete elements using tcl commands? Regards, Sanket
  15. Hi, I have written a script in TCL that changes the material properties using an automatic number generator. The script works when I write it into the console, (The interpreter at the bottom of the page, not sure of the correct name). But when I run the script using the run TCL script button nothing happens. I have attached the script. It changes the material properties of a MAT9ORT card. Can someone take a look at my script and give me some advice on how it can be changed to run correctly. I have also attached my hm file for which I am attempting to change the material properties. Kind Regards, Laurence Maskell YMbeamchanger.tcl clevis2.0run.hm
  16. Component tickness unavailable. No templae loaded" Hello! I have a model with 5 components ith small initial penetrations. How can I check for them? I have already tried Tools> Penetration check but it gives me an error "
  17. Hi , Need clarification regarding FRF analysis using Optistruct . What is the need of taking PHASE response in the tutorial - OS-T: 1300 Direct Frequency Response Analysis of a Flat Plate ?? Then what is the use of below responses ??/ Regards, Arul
  18. HI all, I am examining one of my .dat file which i exported from HM. Image attached below is an example of my quality criteria. From the above, i need to Warpage, Aspect Ratio, Skew, Lengths, Angles (all 4) Instead of checking the element quality from HM, is there any options to find the 2D element quality from .dat file. Thanks, Prabhu P
  19. Hi All working on 3D flange having holes..i m trying to write script for 3D mesh of it.. process i am following is : 1. washer split for holes. 2. 2D Automesh surfaces 3. Solid map I want 2D Automesh process to be interactive so that user can adjust mesh around holes to create good washer.. How can i do this..? Regards, PD
  20. Hi All, I am new to Hypermesh. I meshed my geometry using Hypermesh 14, I am trying to export it as an abaqus input file. What are the steps to be done. Thanks in advance. Awaiting for a positive reply.
  21. I am Having toruble importing a tetra mesh into Hypermesh. It is separating the shell mesh from the 3d mesh. The error it shows is: Error: Element type C3D5 is not currently supported by Hypermesh Resolution: Edit the deck to include these elements back. How Can I solve this? Please help
  22. I'm trying to map 'mask' 'reverse all' to a key. I have managed to map 'mask' to a key using hm_pushpanel{mask} but that only takes me to that menu. Does anyone know how to map the 'reverse all' button to a key so that I can toggle between what I have masked and what it unmasked?
  23. hello, How to find element size and mesh setting used for already meshed part. Thanks in advance
  24. Hi all, I have 2 mesh components..yellow and green considering yellow comp size...giving some tolerance of at least 2 elements size of green one...want to delete some portion from green as shown... then create mesh between these two comp...shape can be tri or quad or mixed. This is shell mesh... element size of both are different... no surface available for this 2 I want to automate these things... 1 . Delete some portion from green...considering size of yellow 2. Create mesh between yellow and green keeping connectivity in mind.. please help me out... if any one have any idea... Thanks & Regards, PD
  25. Hi there! I have the following issue: In order to model a 2D airfoil with the help of several points I would like to import a ".dat file" that contains all the point coordinates for the airfoil surface. Is there a possible way to import these data directly without any file transformation? In addition, I would really like to know if it's possible, and if yes how, to connect all the airfoil surface points together with a SMOOTH and nice spline instead of strange linear splines? Thank you very much for your help! Kind regards Martin
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