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Help with Hyperstudy and EDEM to make different tests for clay sticking inside a dumper.

User: "Karl_H"
Altair Community Member

 Hello!

I am both using Hyperstudy 2025 and EDEM 2025.

I am working on a project where I fill up a dumper with particles and then dump it. I have had some problems to find good combinations of surface energy and other parameters for the physics models so the particles stick naturally to the dumper, so the residue in the dumper looks like real world examples. I was thinking on if I could use Hyperstudy to try different parameter combination but I have had some issues. I was thinking if it was possible to make Hyperstudy save only the last timestep so I can look at each trial and see how the particles behave with the different combinations of parameters. Is this possible? and if so how?

BR

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    User: "jerrinjobs"
    Altair Employee
    Updated by jerrinjobs

    Hi Karl

    In your EDEM base model that you use for HyperStudy, please set your save intervals high enough that you only get the last interval saved. In this way, HyperStudy will only save the last timestep for you.

    Hope this helps.

    Thanks,
    Jerrin Job

    User: "Karl_H"
    Altair Community Member
    OP

    Thank you, but it still seems to not want to start. I have imported the settings and changed the parameters interval in Hyperstudy, after this every guide I have looked at puts in an output and I am not sure on what output to choose in this kind of study. Is it possible to make Hyperstudy only run the different kind of combinations?

    User: "jerrinjobs"
    Altair Employee
    Updated by jerrinjobs

    Hi Karl

    You do not necessarily need to set an output for HyperStudy. HyperStudy should work even without it.

    Please make sure you have the latest connector installed. You can find the connector installers here:

    Also, please take a look at this video to see if the setup is right:

    If you do not need an explicit DOE tool like HyperStudy to run your different combinations, I encourage you to also check out EDEMCal. You can find it within your EDEM installation folder: <EDEM_INSTALLATION_FOLDER>/EDEMCal/bin/EDEMCal.exe.
    EDEMCal has a much easier setup. However, you are limited to using a full-factorial algorithm to run the combination of parameters.
    You can find more information about EDEMCal here: https://help.altair.com/edem/topics/edem_cal_utility/introducing_the_edem_cal_utility_c.htm

    Hope this helps.

    Thanks,
    Jerrin Job

    Hi Karl,
    You do need an output or HyperStudy won't execute the EDEM model. You can trick it by making a dummy response like a constant.

    Best regards,

    Stefan

    User: "Karl_H"
    Altair Community Member
    OP

    Hi Stefan, I had to work with some other stuff but have revisited this project and I have some issues with making a dummy response. Do you have any tips?