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  1. sprashanth

    Simulating nut & bolt preload in FEA

    Oops, apologies for leaving the first paragraph incomplete, so I'll fill in the missing details in this post (as I'm unable to edit my last post): At our company, we have so far been following option-1, but we are not satisfied with the results - therefore, we are looking at alternate options...
  2. sprashanth

    Simulating nut & bolt preload in FEA

    Thanks for your valuable post, izax1. But unfortunately, the FEA software at our company does not have non-linear analysis capability & for the time being, we are stuck with being able to do only Linear Static analysis. Keeping these constraints in mind, which do you think would be the best...
  3. sprashanth

    Simulating nut & bolt preload in FEA

    I'm only a beginner at FEA & this is one of the exercises that I'm practising, but why do you ask so?
  4. sprashanth

    Simulating nut & bolt preload in FEA

    I'm using Solidworks SImulation 2009 for my FEA
  5. sprashanth

    Simulating nut & bolt preload in FEA

    I'm trying to do an FEA which involves an assembly of two steel plates which are bolted-onto each other. The preload due to tightening the nut & bolt is applied in the form of tensile force or pressure on the contact areas (acting in opposite directions to each other) between the bolt & plate...
  6. sprashanth

    Preload of Bolts and Nuts

    Oh, and the above attachment opens only if you have Office 2007 installed. For those with Office 2003 and older, I am attaching the drawing/document in a compatible format for your reference.http://files.engineering.com/getfile.aspx?folder=e4e1409a-09ae-4155-9f77-4da9bb916733&file=bolt_nut[1].doc
  7. sprashanth

    Preload of Bolts and Nuts

    I'm trying to do an FEA which involves an assembly of two steel plates which are bolted-onto each other. The preload due to tightening of the nut & bolt is applied in the form of tensile force or pressure on the contact areas (acting in opposite directions to each other) between the bolt & plate...
  8. sprashanth

    Part analysis - create/display load transfer surfaces

    Oh, and you can apply your force or any boundary conditions on the newly created patch as required
  9. sprashanth

    Part analysis - create/display load transfer surfaces

    You can do it using the 'Split Line' option. To do so, open the part separately & on the face of the part where you want to make your "patch", create a sketch and draw the shape of the patch as necessary. Then use the Split-Line option (go to Insert > Curve > Split-Line) to create the patch as...
  10. sprashanth

    Solidworks Simulation 2009 runs too slow - what could be the reason?

    @GRF: I heard that meshing was supposed to be the single-core operation, whereas the solver would actually utilize all the processors during the operation. Anyway, I will check out what the resource meter on the system shows while running an FEA and get back to you. @GregLocock: I would like...
  11. sprashanth

    Solidworks Simulation 2009 runs too slow - what could be the reason?

    Our company recently purchased a couple of HP workstations with Quad-Core processor and 8GB RAM to run High-mesh FEA simulation on our CAD models, since we were unable to do so effectively with our existing dual-core systems with 2GB RAM. But unfortunately, the new workstations have not yielded...
  12. sprashanth

    Relationship between axle torque and wheel torque

    Knowing the torque transmitted from the engine onto an axle of a vehicle, how do you find out the torque on each of the wheels? Is it the same as the axle torque or is it half or it? Assuming of course, two wheels on the axle - one on each side
  13. sprashanth

    Doubt regarding Symmetry condition in CosmosWorks

    When you apply Symmetry Restraint on the faces lying on the plane of symmetry of a half-symmetric model, then does the symmetry apply only for the model or also for the boundary conditions which are applied to the half-model (such as force, pressure etc.)?
  14. sprashanth

    Formula for number of bolts/bolt-holes required on a wheel

    How do you determine the optimum number of bolt holes or bolts required on an automotive wheel (like the wheels of cars or trucks), when you only have data on the tyre size, the corresponding wheel size and the load rating for the wheel? And for instance, why is it that tractor wheels have...
  15. sprashanth

    In MotionStudy, the rotary motor doesn't rotate the assembled model

    I have created a Wheel using Solidworks, basically an assembly of a wheel's rim with the wheel disc and bolts and nuts. I would like to make a simulation where the whole wheel rotates at a certain constant speed, say 50rpm. I went to motion study, and I chose the RotaryMotor and set constant...
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