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Found 5 results

  1. Hi, I am trying to mesh a cylinder with internal profile. I have created a design space and non design space separately in solidworks. I joined them into a new part and imported it into hypermesh. I am able to select design and non-design spaces very easily. The problem is with meshing. I think there are duplicate surfaces and free edges which created. So I have been trying this since long and it is giving meshing errors. When I do tetrameshing, a temp 2d element component is created. I tried equivalence, removing free edges and T connections. Still not able to resolve. I wanted to try deleting duplicate syrfaces, but it gives an error saying surfaces attached to solids cannot be deleted. Is there any way to mesh this model. I have attached the .hm file here THanks in advance. help_altair.zip
  2. The acuSolve utility 'acuSif' (which is for Split Internal Faces) has an option to create thermal shell elements. The attached example illustrates the process from creating the base mesh in AcuConsole, using acuSif to create the thermal shells, and using Package Mesh to bring the updated mesh back toAcuConsole.
  3. Hi there, I am a student working on the pre processing part of CFD analysis of Francis type turbine. I have created the 3D geometry(assembly) in Solid Works(I have 4 main parts namely, the Volute, Guide vanes, Impeller and Diffuser). These are simplified geometries, meaning I have removed all holes or gaps and have a 3D solid model with 4 main parts. I wish to export this model to hypermesh, but need help on how to set up the model. I can individually load the model and mesh it, but I am facing difficulty if I load the complete assembly. Hence I want to know if I can mesh all the components separately and then assemble the meshed geometries in one hypermesh file. Also, since the impeller is rotating, how do I impose sliding mesh condition in this case?. I want to get started as soon as possible as there a no Tuitorials of such kind for CFD meshing in Hypermesh. Any information will be useful to get started off. Thanks
  4. Hi, After viewing the 2D meshing web tutorials, I have a question regarding the midsurface. Do we always need to do the midsurface for 2D meshing? Can we just keep the original geometry and mesh it? As I am new to Hypermesh and learning 2D meshing, I am trying to outline the general steps. Thanks, Hoa
  5. HI All, I have a very large model which has a lot of rivet connections which I plan to model using CBUSH elements. In order to easily model this, I need a list of the nodes where the rivets are to connect. I've already created fixed points at these locations in the Geometry. The way I thought to create the list of nodes is to manually create nodes at the points and renumber them 1->X. Then mesh the parts and equivalence the nodes so that it keeps the lower node ID (my logic may be flawed as I'm new to Hyperworks and this is something that would work in PATRAN). I've tried this on a small scale test model. I created the nodes (which I believe are temporary nodes) by going Geom > Nodes > Points and selecting the fixed points. I've then meshed the part, but when I equivalence (either in edges or faces) it says 0 nodes found. I assume this is because the nodes I've created are temporary or geometry nodes and not related to the mesh. However, I've exported the model as a .bdf and both the temporary nodes and the mesh nodes are recorded. Thus I'm at a loss for why equivalencing is not working! Is there any way to create mesh nodes without actually meshing, or easily create a list of the nodes I need? Cheers
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