Fiber expon

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  • hipop1901
    Junior Member
    • Dec 2014
    • 27

    Fiber expon

    Hi,

    I created a simple steady-state free swelling case of soft tissueAF.zip, in which fiber is modeled as fiber exponential law. The model works only when I have a very small <ksi> like 0.0001 (it fails at 0.00015). Is there any idea about why it fails when tissue becomes stronger.

    Thanks,
    Bo
  • ateshian
    Developer
    • Dec 2007
    • 1824

    #2
    Hi Bo,

    For this model you chose to use an osmotic coefficient Phi=0.93, but all your boundary conditions and initial conditions for the effective fluid pressure were calculated using Phi=1.0. You need to be consistent in these choices, then your model will converge properly.

    Best,

    Gerard

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