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Recent content by Me09

  1. Me09

    Displacement-Controlled Indentation of Rubber Membrane--Reaction Forces too Low

    check the material property. Mooney–Rivlin method is an alternative to neo-Hookean method.
  2. Me09

    Dynamic Gear Contact Problem

    it seems the problem raise because of the interaction. you can do following: 1- remove the interaction and let model run with no interaction. if it is running fine the problem is definitely for the interaction. 2- if the problem is on the interaction, then try to play with: load/boundary...
  3. Me09

    Dynamic Gear Contact Problem

    I think you need to couple each reference point to the relevant gear first, then apply the loading (rotation) on the reference points.
  4. Me09

    fluid/structure interaction (FSI)

    anyone knows about the examples of fluid/structure interaction?
  5. Me09

    fluid/structure interaction (FSI)

    Has anybody work with fluid/structure interaction(FSI)? My problem is about an object sinking into the water. I want to model the full sinking of the object into the water. I have created the object (metal) in 3D (solid deformable) with explicit step. the water was created as an Eulerian part...
  6. Me09

    plotting disp-real time

    my theoretical calculation shows the object should fully sink about 24 hours but the the time from displacement and velocity graphs talk about few seconds. what do you think guys? thnx
  7. Me09

    plotting disp-real time

    Just one more thing, it took about 20 hours to run the program. the CPU time was showing this but when I calculated the time from displacement and velocity graphs the time of traveling of the object was much different. does anyone know how I can request the time of traveling of the object along...
  8. Me09

    plotting disp-real time

    Hi, I have a basic question on plotting the disp-real time. My problem is on sinking an object into the water. I have run the problem in Explicit and it was working fine. Now I want to get the result of sinking of the object versus the time. if i go for disp-time it shows the disp against step...
  9. Me09

    Plate with thickness variation

    Thanks shingouz I am not sure if we model the minimum and maximum geometry can get good result as the geometry randomly changing along the part so we need a logic behind this to explain about the effect of random geometry changing. I have heard using Ansys we are able to define the geometry...
  10. Me09

    Plate with thickness variation

    Thanks Rob, the problem is about modelling of a cantilever which is a part of machine. the machine sensitive to the frequency of the cantilever and I have found that the thickness of the cantilever is not the same. I only can measure the cantilever thickness from the edges and can not measure it...
  11. Me09

    Plate with thickness variation

    so if we have a plate and thickness is not regular how we can define the dimension? how we can define the thickness 2 ± 0.15 mm?
  12. Me09

    fold formation in a sphere

    Does anyone know how to introduce initial periodic defects to trigger folds? Spheres under compression normally respond in folded dents. I want to simulate 4- and 5-fold formations under a compressive impact in a sphere with 1 mm thickness.
  13. Me09

    Plate with thickness variation

    Hi Guys, I want to model a plate with thickness variation. the nominal thickness is 2 mm but after measurement found the thickness is vary from 1.85 to 2.15 mm. My question is how I can model the plate? if I make the plate as a part with nominal thickness how I can apply the thickness variation?
  14. Me09

    Spring element between two RP

    is there a tip to get rid of mass definition for the RPs? obviously I don't want to connect the the spring directly to a node on the body as I believe it causes local effect on the body. is it right?
  15. Me09

    Spring element between two RP

    so, in explicit, if I want to connect a spring between two reference points which are coupled with two bodies, do i have to define mass for the reference points?

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