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  • Users: lodhss
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  1. lodhss

    How to determine variable amplitude in a fatigue analysis

    I am in the process of setting up some mechanical fatigue test of a medical device. I’d like to load the device ___ times with a daily activity load, and then load it once with a high impact load, and then go back to ___ times of a daily activity load. I've seen engineers in other industries...
  2. lodhss

    element number - centroid mises stress

    abaqus 6.10 If I know the element number in question, can I query the centroid mises stress of that element (w/o using probe)? If I have more than one element number in question, can abaqus/cae generate a .txt file for example? Thanks.
  3. lodhss

    abaqus cae contact problem example

    Is there a very good intro contact problem example online you guys can recommend? If you can point me in the right direction, it would be greatly appreciated. Crack propagation would also be something I'd like to take a look at.
  4. lodhss

    How to improve mesh quality

    abaqus 6.10 I have a tet mesh, and have a several element warnings when I go to Mesh->Verify. Can you please walk me through the steps need to improve / remesh the model? Thank you.
  5. lodhss

    Need help applying a concentrated force (units)

    Trying to create a concentrated force Load in CAE. I select a point on my model that I believe is associated with a node. The size of the model is in mm. I would like to apply a force in 3 directions (CF1: -880 Newtons, CF2: 1726N, CF3: 540N). I converted these numbers to -880000 kgmm/s^2...
  6. lodhss

    How do I mesh two different objects of different materials as one (Abaqus CAE)?

    I have two CAD (.stp) parts of somewhat complex geometry. They share a common surface are have two different material properties. I followed rstupplebeen's advice (thread799-284328) "Add material properties to the parts. Add both parts to the assembly. Instance>Merge/Cut (see image)", was...
  7. lodhss

    fatigue - hand calculation help needed

    I'm trying to determine the endurance limit of a cylindrical cantilever beam (e.g. cylinder attached to a wall). Question: if I apply a load to it over and over again, will it eventually fail? Is there a simply engineering hand calculation that can be done to solve this? Thanks
  8. lodhss

    Material Properties for CoCr

    I am looking for material properties of barstock CoCr. Or any document or table that shows material properties of metal. Looking for Yield stress, ultimate stress, tensile stress, shear stress. i heard that shear stress is usually 50-80% of tensile stress. Do you know if there is something...
  9. lodhss

    minimum wall thickness for tapped hole

    Trying to figure out how to calculate the minimum wall thickness of a tapped hole. I’ve seen stuff for sheet metal, but not for a solid block. Right now, the wall thickness is approx 0.25 x set screw diam. The set screw would be torqued to max holding power. If you have any helpful info, that’d...
  10. lodhss

    tapped hole minimum wall thickness

    Trying to figure out how to calculate the minimum wall thickness of a tapped hole. I’ve seen stuff for sheet metal, but not for a solid block. Right now, the wall thickness is approx 0.25 x set screw diam. The set screw would be torqued to max holding power. If you have any helpful info...

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