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SEQUENTIAL DROP SIMULATION IN RADIOSS?

User: "Mintu"
Altair Community Member
Updated by Mintu

Hi,

I have to perform drop test simulation twice from 1.5 m of height. I have simulated drop test once in analysis. but i dont know the option or setup to perform sequential drop test simulation. can any body help out in this?

Thanks in advance.

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    User: "Adriano_Koga"
    Altair Employee
    Updated by Adriano_Koga

    i'm not expertn in Radioss, but I believe you can use the /STATE/ card to re-use straesses and strains from a previous run as initial condition to another run.

     

    You can request the first run to save these state files and add them as an include to another run.

    InspireForm use these when you run a multi-stage forming simulation.

    User: "Mintu"
    Altair Community Member
    OP
    Updated by Mintu

    i'm not expertn in Radioss, but I believe you can use the /STATE/ card to re-use straesses and strains from a previous run as initial condition to another run.

     

    You can request the first run to save these state files and add them as an include to another run.

    InspireForm use these when you run a multi-stage forming simulation.

    Dear Adriano, I have tried with STATE Card but the contacts and boundary conditions are not exported. can you help me for sequential drop.

    Thanks in advance,

     

    User: "Adriano_Koga"
    Altair Employee
    Updated by Adriano_Koga

    Dear Adriano, I have tried with STATE Card but the contacts and boundary conditions are not exported. can you help me for sequential drop.

    Thanks in advance,

     

    state files carry only stress/strain and thickness to another model.

    All the other you should build a new model, by keeping the IDs only.

     

    In you case you're probably looking for restarting your analysis from a previous one. Take a look at 'restart' in Radioss documentation.

    User: "Mintu"
    Altair Community Member
    OP
    Updated by Mintu

    Thanks for your reply. I have simulated but i dont know the results prediction.and one more thing how to simulate rebound behaviour in drop test simulation?

     

     

    User: "Adriano_Koga"
    Altair Employee
    Updated by Adriano_Koga

    Thanks for your reply. I have simulated but i dont know the results prediction.and one more thing how to simulate rebound behaviour in drop test simulation?

     

     

    if you define a total time enough to capture rebound, and also include gravity in your simulation, you should capture rebound.