IBBM 2017

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Type: Posts; User: julianatk

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    spring/force sensitivity

    Hi there

    I am running a knee bending simulations but I am struggling a lot with some of the more simple elements in my model.

    I am attempting to model the patella tendon as 2 rigid springs, and...
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    Negative Jacobians at arbitrary points

    Hi there

    I am attempting to get a knee extension model working, but there are some basics I can't get working before I even get there.

    I am first prescribing a displacement and pushing the...
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    Preview "Select Part" crash

    Hi there

    When I click on the "Select part" in PreView it crashes. The error message "PreView has stopped working" appears and I am forced to close the program.

    Regards,
    Julian
  4. Hi there I am having a very similar problem. I...

    Hi there

    I am having a very similar problem. I tried to apply the non-symmetric description but it is still reducing my dt value and creating tiny time steps and then diverging. I am also unclear...
  5. Negative Jacobians at random points

    He there

    I am attempting to get a knee extension model working, but there are some basics I can't get working before I even get there.

    I am first prescribing a displacement and pushing the...
  6. Update: I am now able to apply the motions to...

    Update:

    I am now able to apply the motions to the tibia, and I am modelling the patella tendon as just a rigid element. Now I need to apply the quadriceps force to the patella. I have the force in...
  7. Hi Steve Thank you for the response. I am...

    Hi Steve

    Thank you for the response.

    I am struggling to recreate a few things from this knee set. Currently, I am able to input the bone and cartilage structures with their mesh. I have then...
  8. Importing from Abaqus: Spring and Connector elements

    Good day

    I am attempting to import a number of files from ABAQUS. Specifically the Natural Knee Data from the University of Denver (The finite element model for knee extension testing:...
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