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FEA
Sergio
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Comments
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Dculp, you can do a mesh refinement based on a node directly, no need to touch the geometry. When you postprocess, select a node with high stress, and then in the contextual menu there is an option to create a mesh refinement in that specific positi…
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Is not possible in Mecway, use Paraview fot that.
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Is a slide control on the icon bar
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Use the Slice tool on Mecway to slice the view.
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That was the problem, I start with a modal analysis to check that all the parts of the assembly stay glued, and then change to dynamic response analysis... one hour solving and have finish without velocity results.
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As far as I know there is no way to save the view in mecway, maybe you can do it in Paraview.
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A technical report should solve you problem as well :-)
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I use something similar, by means of the RIGID BODY card to atach the movil nodes to one pilot node, then apply the bc and ask the reactions forces to this single node.
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If you have the dimentions/material of the oring and groove, I could try to reproduce the simulation and see the force.
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Dave, the NODE PRINT cards by default gives you all the time increments and steps, there is a modifier to made every n increment. About your problem, guess that you miss to attach the file.
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Hi @DaveStupple, what I do normally in these cases is define a node set "MOVIL", on the upper surface of the movil part, then create a custom CCX card with *NODE PRINT,NSET=MOVIL, TOTALS=ONLY U,RF CCX will create a separate .dat file with the data…
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You could try to teach to you CAD team to design with FEA in mind, leaving small features as small radius, chamfers and holes to the end of the model, so is easy then to export a simplified model for FEA without need to further simplification or def…
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I will try to export as 3D DXF as @ehoule says, maybe the Salome meshing could be avoided.
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Just to share my procedure, have worked months ago with roll cages made of tubes. The best way that I found was to model the assembly as wires in FreeCAD, using standard 2D sketchs for the tubes lying in a plane (most of them), and 3d curves (Dwires…
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The only solution for this cases that I have found is just finish the work and export the mesh as .unv.
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Mishal, the customer ask for 3D elements and FEA checking.
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If your model is made by standard beam profiles, you should mesh in Salome in order to use hexa elements and keep the node/element count low, otherwise using automatic tet mesh and at least two element in thikness would lead to unsannely big mesh. C…
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Thanks Victor, will try at least to solve in 2.16. It's incredible, I have working in this issue for at week at least :-(
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Hi Victor, related to this issue, could it be the solver log be saved within the liml file? Sometimes one want to know why it has failed or time to solve after the window has been closed.
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I prefer to be plastic strain only to keep in line with CalculiX documentation
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Looks like the Pastix build has matured, is available compiled for Windows or one must do the procedure?
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Would be great to have this instruction (install Pardiso and configure multiprocessor) as a stikie post in the forum (very like the welcome post), lot of people ask for them.
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Hi, maybe you could do the first point using the CCX solver and Cyclic Symmetry boundary condition (you model one slice and you have the result for the whole pizza), about stacking... that could be done on Paraview translating the CCX results to rme…
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Have tried SharkCAD and ViaCAD years ago, they are not better than the Alibre basic package. These days have a project where I need to model tubular frames, did the first one with FreeCAD, and start to try Alibre, but they lack some basic feature as…
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I add another, in the Stress Linearization feature, can be the SCL visible when is definied? Now is only visible the nodes, and the line appear when the stress linearization window is closed. Also, when the saved SCL is clicked on the model tree, wi…
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That's the exactly procedure, normally you should mold standard samples (cilinders about 32 diam and 18 in heigh if I remember well) with your specific rubber, then you measure on a dinamometer the load deflection curve in compresion. After that you…
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I just trying (suffering) FreeCAD also, but you can take a look at Alibre, they have a basic CAD package for about usd 120 that... has less features than FreeCAD but at least a civilizated interface. You can try also Onshape or Fusion360.
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There is an option to launch Mecway from command line to solve a problem without opening the GUI. Anyway being able to it directly from the interface would be great, now for big problems take a lot of memory to show it plus to solve it. Look in the …
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As everybody says, I'm waiting also an inspired hero that compile this new version.
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Since I installed Pardiso never back to Spooles!
