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Found 72 results

  1. MartinM711

    Export of 2D Mesh to CGNS-file

    Hello Guys, I have the following questions: - I just made a 2d Mesh and would like to export the mesh data for an external solver. This solver accepts CGNS-Mesh files. Is it possible to create a CGNS-file via Hypermesh Export? - Is it possible to create a structured 2D Mesh in HyperMesh with quads in which the quads take their orientation from geometry (e.g. lines or curves) so that the Mesh is really clean and structured? Thank you very much in advance! Regards
  2. Tom Barnes

    Simple Mesh With Uniform Elements

    Hello, I'm trying to mesh a simple rectangular beam (200mmx50mmx50mm) with a uniform mesh throughout as seen in the example photo. When I carry out a 5mm volume tetra mesh it generates uniform elements on the surfaces but this is not the case inside as seen in the attached photo. How can I achieve a uniform element pattern throughout as seen in the example photo? Thanks in advance, Tom
  3. Hello, I need to calculate RCS of large cube (8x2x1.5 m) at 70 GHz. Unfortunatelly, FEKO solver triangulates my object in too dense grid. Is there any way to reduce total simulation time? Are there any settings which I can play with to optimize my simulation? I used the most coarse settings of the meshgrid in my simulation. But it still works to loooooong.... BR, Dimon
  4. The geometry was output from Solidworks. I did the mesh in Hypermesh by creating a vertical 2D element and spin 180 degrees and then reflect another half. No connectivity issue in check element tool. The .inp file was imported in Abaqus, a pressure was added to the upper surface of the inner part, and the results were as follows: the elements of the inner part overlapped each other. Since I have meshed model directly in Abaqus before, as for the same force they should be sinking down together instead of separated into two parts. Is there anything wrong with the mesh connectivity or any advice for meshing in Hypermesh? Attached the before and after loading, as well as the .inp exported from Abaqus. hpmtest.inp
  5. lanwujiu

    Solid mappable issue

    I have a model with 5 parts and it is symmetric. I partitioned as much as I can, but still, have an issue in mappable solid as the picture below (this is the simples and most complex part in the model) Any advice on partitioning? Thanks!
  6. AlessandroBB

    Simlab

    Hello everybody, I'm using Simlab 2017.1 and I would like to automatically set some mesh constrains to a specific colored CAD face. I import CAD file with colors, so I'm able to see them. Unfortunately the only way I know to get all surfaces of the same color is "Inspect-->faces-->by color", but in this case I have to select at least one face directly on CAD model (and it is recognized by its ID, that could change from one CAD file to another one). Is it possible to create different groups (containing colored CAD faces) for each color? Thank you very much. Best regards, Alessandro
  7. Hello Everyone, i am having a problem with Hyperworks version 2017.2. I have an already meshed model.When i delete a mesh on one surface and then mesh that surface again, the new elements don't attach to the ones on the adjasent surface, although both surfaces are attached to each other. Does anyone know how to solve this probelm, without having to remesh the model? Also when remeshing a surface without deleting the mesh on it before, the new mesh just sits above the old one as if it were not there... So i get 2 meshes above each other. Can someone please help? Thank you!
  8. Roshni

    Horn Antenna Mesh

    How do I create mesh for horn antenna?
  9. Roshni

    Field Request

    How to request near and far fields for horn antenna in FEKO?
  10. Hello, I would like to tetra mesh my component from a 2D mesh of trias that already exists. The 2D mesh must remain constant as it has a load applied to it that cannot be changed. The problem I am having is that the tetra mesh option 'fixed trias to tetra mesh' produces large size elements in the middle of the model. I would like to constrain the maximum size of the 3D tetra mesh so its does not increase in size in this way. Is this possible? Thank you in advance
  11. Hi, I've been provided with a hm model and need to carry out some geometry changes. However, the component I have been given is 3D tetrameshed without any surfaces. Is there anyway I can generate a surface from the provided tetra? I've tried using the surface from FE function but as I only have a 3D this wouldn't work. Thanks in advance, Tom
  12. Alex.01

    Element size?

    Hi all, Does anyone know if there is a tool in Hypermesh which says the average element size of a 2D mesh? I could use the measure tool and get the distance between two nodes of an element, but I am interested in get the average of all elements. Thanks in advance, Alex
  13. charlotte

    Progressive Mesh

    Hi, I would like to know how to mesh a component more and more thinner with a growth rate like on this figure. Can anyone help me to find out how to do it please ? It for a rectangle (2D component). Thanks, regards, Charlotte
  14. Romain B

    View Flux mesh in SimLab

    Hi. At a recent Flux conference, I heard that SimLab has very interesting tools for viewing a mesh and I was hoping to use it to observe the meshing of the air in my 3D models, which is an absolute pain in Flux itself. Is there any documentation on how I can open my meshed geometry from Flux in SimLab? Thank you in advance! Romain
  15. captainhaddock

    mesh quality statistics

    I have got a question, concerning the mesh quality. Can you please tell me, what these values, from the MeshSim.txt file are standing for?
  16. Hi All I know that in shell structures, when we have the midsurface, we verify that there are no free edges, what about two solid bodies, specially if I have had to trim the solid, since a part is revolutio and the other part is an extrusion, so they might need different meshing techniques ? how can I assure the mesh in continuous ?
  17. malcolmdinovitzer

    Meshing Error

    Hello, I am working on setting up a model for a simple topology optimization and I am consistently running into the same error when trying to form a mesh. I have meshed the entire design space and part of the non-design space but the final solid always results in an error of "1 edges failed nodal setup. Meshing failed". I have not been able to find any information about this error online so far. I have attached a photo of the error message and a photo of my model prior to meshing. The attached model includes the failed mesh as a "tmp" component. Is there an error in my geometry? How would I be able to mesh this final solid? Thanks ComparisonStudyModel.hm
  18. The tcl command *set_meshedgeparams 0 1 0 does not seem to work in HM 2017 however it works just fine in 14. Is there any reason this could be happening and any way to correct it ? I am trying to use *set_meshedgeparams as a precursor command to *hmmeshspline Are any of the above commands deprecated in HM 2017 ? Thanks. Any help is appreciated.
  19. Hi all what is the meaning of the number in tetcollpase blank which is by default set to 0.3 ?
  20. Hi All If I get mesh quality error, and even after disabling the mesh quality check I get a fatal error. how is it possible to remesh a meshed part ? does the mesh overwrites ? should I apply the correlating BC and loads again ? what about material and properties?
  21. Hi All How do we assure a mesh continuity on the border between two spherical parts, one inside the other one, in contact with each other?
  22. frzti

    Solid Map

    Is the Solid map option usable only in case the solid volume between the two meshed surfaces does not contain any voids , like bolt holes ? in the case of contrary what can be the mesh strategy to mesh a volume that has some holes that pass through the body ?
  23. Ariane Rebelato

    Element equivalent to 2D Bernoulli-Euler

    Hello, I would like to know the equivalent element of 2D Bernoulli-Euler in Hypermesh?
  24. Hello everyone, I am having trouble exporting the mesh from Hypermesh. Some white spaces separating the fields are missing. *) With the RADIOSS profile, the first three nodes of the grid data look like this. 1 10.4352852680878 0.374999999999996 1.69690861652916 2 10.0920996147679-3.8857805861880E-15 1.59540682856021 3 10.2957517115474-3.5527136788005E-15 1.49409343503715 *) The situation is even worse with OptiStruct. The output file (first three nodes) looks like this. GRID 1 10.435290.375 1.696909 GRID 2 10.0921 0.0 1.595407 GRID 3 10.295750.0 1.494093 I don't want to create white space manually because the meshes I work with, in general, contain thousands of nodes. So, I need a proper solution for this issue. I am using the HyperWorks14.0 - student version. Thanks, Chenna.
  25. George P Johnson

    Guidelines for meshing

    I am new to HyperWorks.I have to mesh a complex profile in HyperWorks. Please go through the shared model. Please give me some suggestions, and I need hexa mesh. Thanks, Rahul
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