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Found 8 results

  1. Dear All, Can anyone help me in developing the scripts for Hex meshing. Thanks in advance. Regards, Mahesh Peram
  2. 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
  3. Hello, everyone I have a model with hex elements, like below(model.png) : I want to get this model's global stiffness matrix. for element stiffness matrix, I use the local coordinate like the coordinate.png show: I ouput the ( node id, node coordinate, element id, node list of element) for get the global stiffness matrix. But it seems the local coordinate or the order of the node list of each element of hypermesh is different from mine. I don't know how to reorder the node list which I get from hypermesh. The node list order Which I get from hypermesh is show in nodeListHypermesh.png. It seems is anti-clockwise. Thank you so much for your time. Any advice will be appreciated. (^_^)
  4. Submitted by Joe on Wed, 09/07/2011 - 18:05 Hi, In a constant block, when I type any value between 0x1 to 0x9, the output is in decimal, i.e, between 1 to 9. If I go beyond that, like 0x10, it shows 16 as output and so on. Why?
  5. Dear All, is it possible to automate hex mesh for Flange (see ref Image attached) with washer around holes (holes may more than 2) . Any idea...Please Suggest... @tinh Regards PD
  6. Why hex mesh is not solving in Optistruct? when i am trying to solve its showing some error. can you please help me with this. Awaiting Reply thank you
  7. Hi, I'm trying to brick mesh a straight pipe for OpenFOAM CFD, meaning I need a boundary layer, shell elements on the outer surfaces and a core - all hex elements. My meshing attempts up to now were only partially successful. I created a boundary layer by splitting the solid in an inner and outer pipe, then subtract one from the other, deleting the solid so I've got the inner and outer surfaces, created a surface mesh, then brick elements by using Element offset for the boundary layer. Unfortunately, the shell elements are lost in the process and I don't quite know how to create shells from the existing solids. Project nodes does not seem to be the right tool. If someone could post a general workflow for this type of brick meshing I'd be very grateful. I've only used CFD tetramesh up to now, but OpenFOAM does seem to prefer brick elements. Unfortunately, I can't use hex core with a tetra oder penta boundary layer and transition, OpenFOAM can't handle different element types at once. Edit: Sorry, this should have been posted in the Hypermesh subforum!
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