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  1. Shahrukh_Islam

    What does Convergence Tolerances mean in Abaqus?

    Hello everyone, I have been asked about the parameters of convergence tolerances for Abaqus - RIKS analysis that I had. I have attached all the parameters to this image that I have used. Could anyone tell me if the "stopping criteria" is similar to "convergence tolerances"? If not, where should...
  2. Shahrukh_Islam

    Regarding Repetitive Monotonic Loading after Riks

    Hi there, So how can I do this repeated loading and unloading easily? Can I use amplitude? If so, could please kindly tell me how to do it and where should I put the amplitude settings after the unloading step? Thank you again for your valuable advice.
  3. Shahrukh_Islam

    Regarding Repetitive Monotonic Loading after Riks

    Hi everyone, I am trying to do a repeated monotonic loading and unloading after Riks analysis. I have done the initial unloading after Riks but am a little bit confused about the repeated loading and unloading. I did the unloading using Static General step post riks by using command prompt. My...
  4. Shahrukh_Islam

    Unloading in Riks

    I am sorry again. But do you have a specific guide to do this step by step? I am new to this process. How do I create the file? Is it using just text editor? I have tried making a file with the following: *Restart, read, step=last ** ** STEP: Unloading *Step, name=Unloading, nlgeom=YES...
  5. Shahrukh_Islam

    Unloading in Riks

    Which file should I edit?
  6. Shahrukh_Islam

    Unloading in Riks

    Do you have a process or a thread or an example? That would be really appreciated. Another thing, so, do I do it using text editor and what files do I modify or alter to do this? Thanks again for all the help
  7. Shahrukh_Islam

    Unloading in Riks

    Thanks for the advice. I had another question. The CAE interface does not allow me to add another step in the steps menu. So, how can I do it? Does it have to be through scripting?
  8. Shahrukh_Islam

    Unloading in Riks

    So, there is one issue now. I am trying to do another Riks to unload it but it is not working. How can I do the unload from the previous Riks analysis? I could get the restart out but no step can be added after the Riks? Could you help me out? I am getting this error...
  9. Shahrukh_Islam

    Unloading in Riks

    But Riks doesn't allow a step to be added after it has been added. How can I do it? Is there a procedure to do it using scripting? If so, what's the process?
  10. Shahrukh_Islam

    Unloading in Riks

    Hi everyone, I am trying to analyse a beam by loading it to a certain point using a displacement controlled parameter. In this case I need to know the postbuckling behaviour, so I am using Static Riks. My question is how to unload after a certain point during the application of displacement...

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