Parameter optimization for biphasic confined compression stress-relaxation

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  • hipop1901
    Junior Member
    • Dec 2014
    • 27

    #31
    Thank!

    That's clear.

    Best,
    Bo

    Comment

    • brandonz
      Member
      • Oct 2014
      • 48

      #32
      We have updated the optimization file to use optimization version 2.0, released with FEBio 2.8. To run this example, use CCsrlxFit3.feb for the model file and CCsrlxOpt3.feb for the optimization file. Run the optimization with the following command:
      Code:
      febio2 -i CCsrlxFit3.feb -s CCsrlxOpt3.feb
      Brandon

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      • alishah7
        Member
        • Jul 2020
        • 30

        #33
        Hello Dr. Ateshian,

        I have tried to run the CCsrlxOpt3.feb and its optimization model file, but I kept getting " tag "max_refs" (line 7) : unrecognized tag" error. I have looked into the manual, chapter 3, but I did not find anything that could help me find what the problem was. I was wondering if you have any suggestions how to fix it. I also used the last files (Brandon uploaded) to download the file, and I changed the febio_spec version to "3.0" in XML file in FEBio.

        Thanks,
        Alireza

        Comment

        • ateshian
          Developer
          • Dec 2007
          • 1821

          #34
          Hi Alireza,

          You should import CCsrlxFit3.feb into FEBioStudio and export it into 3.0 format. The optimization fils CCsrlxOpt3.feb does not need to be changed. Then run the optimization as shown in Brandon's message, that worked for me.

          Best,

          Gerard

          Comment

          • alishah7
            Member
            • Jul 2020
            • 30

            #35
            Dear Dr. Ateshian,

            That works perfectly.

            Thanks,
            Alireza

            Comment

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