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  1. Hi, It seems to me that the damage parameters...

    Hi,

    It seems to me that the damage parameters and loading conditions are such that you are loading the model to complete failure. This is going to be very difficult, if not impossible, to...
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    Hi Nataliya, You can export the data from...

    Hi Nataliya,

    You can export the data from PostView (or FEBio Studio) using File\Save and then select the ASCII option. You will see a dialog box popup where you can select what to export.
    ...
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    Hi Jonatas, This is a feature that is...

    Hi Jonatas,

    This is a feature that is currently being developed and will be available in the the near future, but we don't know yet exactly when. I suggest that you follow-up with us in about...
  4. Hi, The "user" type is no longer supported....

    Hi,

    The "user" type is no longer supported. In FEBio3, if you wish to define a custom map, you would do it as follows:



    <mat_axis type="map">my_mataxis_map</mat_axis>


    where...
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    Hi, The density parameter should be recognized...

    Hi,

    The density parameter should be recognized by the micro material, although it could be an error coming from the RVE file. Could that explain it? If not, can you please attach or send me the...
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    Hi Andre, Several contact formulations now...

    Hi Andre,

    Several contact formulations now support friction. I recommend that you take a look at the sliding-elastic contact formulation and let us know if you have any questions.

    Best,
    ...
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    Hi, This is currently not possible, although...

    Hi,

    This is currently not possible, although we are working on expanding the output feature, so I'll keep this in mind. In the meantime, I suggest to output all the nodal displacements and...
  8. Thread: PID Controller

    by maas
    Replies
    9
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    165

    Hi Lance, Can you please send me your model...

    Hi Lance,

    Can you please send me your model (steve dot maas at utah dot edu). I'll take a look at it and see if I can get it to run.

    Thanks,

    Steve
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    Hi Jeff, The main problem is that the two...

    Hi Jeff,

    The main problem is that the two rigid parts (the vertebra and the screws) are not attached to each other. When you apply the force to one of the screws it just flies off to infinity....
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    Hi Alexander, I thought we had fixed the...

    Hi Alexander,

    I thought we had fixed the issues with high-dpi displays (which I assume is what you are using). Are you using the most recent version of FEBio Studio? We released the official 1.0...
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    Hi, I would like to try to reproduce this...

    Hi,

    I would like to try to reproduce this issue on my end. This might make it easier for me to track down the issue. Is it possible to send me the plugin code, as well as the model and...
  12. Hi Anne-Cecile, I did receive the email, but I...

    Hi Anne-Cecile,

    I did receive the email, but I did not get a change to reply to it. I'll try to reply to it within the next few days.

    Cheers,

    Steve
  13. Hi, This should work. I've attached an...

    Hi,

    This should work. I've attached an optimization problem that uses a parameter of the constraint. (This example doesn't do anything useful, but it just illustrates the syntax. I tried this with...
  14. Thread: PID Controller

    by maas
    Replies
    9
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    165

    Hi Lance, The supported variables are any...

    Hi Lance,

    The supported variables are any model input parameter (i.e. any parameter that can be defined in the input file), and a limited number of output variables. There is another mechanism,...
  15. Hi Sam, When I run the model (either in febio2...

    Hi Sam,

    When I run the model (either in febio2 or febio3), I get NANs, so I'm not getting the exact results as you are getting, but nevertheless I think I found the problem. I tracked the issue...
  16. Hi Sam, I cannot access the google page. Can...

    Hi Sam,

    I cannot access the google page. Can you please allow me access it? Otherwise, you may email it to me as well (steve dot maas at utah dot edu).

    Thanks,

    Steve
  17. Hi Sam, Can you please attach this model?...

    Hi Sam,

    Can you please attach this model? There are indeed some odd things going on here, but it's difficult to say what could be causing this, without seeing the actual model.

    Thanks,

    Steve
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    Hi Jeff, We have some support for defining...

    Hi Jeff,

    We have some support for defining equations, but not for all features yet, and I don't think you can use equations in rigid body forces (if that's what you are using?). I can definitely...
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    Hi Ben, The features I was referring to are...

    Hi Ben,

    The features I was referring to are supported in FEBio3. I think some of that initial development was started in FEBio2.9, but I definitely recommend using FEBio3.

    When you install...
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    Hi, We are working on a repository of models...

    Hi,

    We are working on a repository of models that will include examples and tutorials, as well as curated models used in publications, but we only started with that recently. You can access this...
  21. Hi Anne-Cecile, If you are writing your own...

    Hi Anne-Cecile,

    If you are writing your own code for generating the .feb file, then you have to indeed ensure that each element gets a unique id.

    Merging the objects in FEBio Studio preserves...
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    Hi Ben, When looking further into this, I...

    Hi Ben,

    When looking further into this, I realized that this alternative mechanism I mentioned is already partly implemented. (I guess I forgot how far along this implementation was.) Although...
  23. Hi Andi, Thanks for brining this to our...

    Hi Andi,

    Thanks for brining this to our attention. We will look into it. In the meantime, try to install the Microsoft Visual Studio 2017 Redistributable, which can download from:
    ...
  24. Thread: PID Controller

    by maas
    Replies
    9
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    165

    Hi Lance, It looks like that file had some...

    Hi Lance,

    It looks like that file had some formatting issues. I've fixed them and uploaded the new file. That said, the new load controllers, including the PID controllers, are not yet supported...
  25. Thread: PID Controller

    by maas
    Replies
    9
    Views
    165

    Hi Lance, I've attached a simple example that...

    Hi Lance,

    I've attached a simple example that uses a PID controller to control a force between two rigid bodies that tries to reach a desired orientation. I realize we don't have any documentation...
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