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xrek

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xrek last won the day on March 10

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  1. Hello, How did you fix it? I assigned and re-assigned the material properties on the pyramids and continues the same error. Thx
  2. Hello, does anyone know how many units 3D printing analysis by inspire requires?
  3. xrek

    ESL w Radioss

    Great thx Simon
  4. Hello andyer, Thank you very much for the info!! Really helpful and I appreciate it. In the mean time I developed two models my self that they seem to work. I am attaching them. If you have any suggestions recommendations fell free to tell. Kind regards,PMSM_FOC_SVPWM_torque.scmPMSM_FOC_SVPWM_rpm.scm Christoforos
  5. Hello, does anyone know how can I set (/DESOBJ, /DESVAR, /DVPREL1, /DRESP1 and /DCONSTR) to initiate the optimization response? In addition a simple example tutorial tutorial for this process it would very useful!!! Thx
  6. Hello Roberta, yes unfortunately I have looked but it isn't located there. Any other thoughts?
  7. Hello, Is there anywere available the PMSM Speed control (https://www.altair.com/resource/pmsm-simple-speed-control) available. Or a tutorial of this example? Thx
  8. @Hyperman ty very much for your response. For a quasi static simulation with an explicit solver it is required mass increase but the balance is fragile between the added mass the solution time and the time step. But if mat 37 is not suited for such an application I probably move the analysis to optisturct acusolve coupling for a DC-DFI. Thx again
  9. Hi luclore which failure model did u use? thx
  10. Hello, I am trying to perform a quasi-static simulation using radioss. The initial model entailing solely hyper-elastic materials is working fine. Now I replaced a material type 42 with material type 37 that is a bi-phase material. My problem is that when enabling a mass scaling through /DT/NODA/CST in order to reduce the kinetic energy of the model and perform a quasistatic analysis, the model doesn't follow the requested time step. And then the solver stops due to negative volumes. Is there a way perform a quasistatic FSI with radioss? If so which are the appropriate values for MAT37? Is it better to choose a different material? or it isn't possible to perform such an analysis and thus move it to acusolve. Here is my .hm file Quasistatic_indentation_fluid.hm
  11. Good evening guys, I am trying to model a composite structure with delamination capabilities by using Prop/type17. Even though I am reading that it entails the capabilities of plyxfem and to determine interply material by the flag Mint_IDi . Those two flags are not visible. Does anyone has faced the same problem? Is there a chance that are not visible by my model setut of they should have been visible by default. I am attaching the respective file. Thx. plate_impactor_rigid_delamination.hm
  12. Hi guys and how is the connection between the faces and the "connection elements" (MAT59) is achieved? arent we suppose to enforce a contact between them? and the this material law is combined with lad_dama failure? Thx
  13. Good evening, was there any progress on ply xfem? are there any tutorials, examples available? ty
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