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  1. Dear Prof. Ateshian, thank you very much for...

    Dear Prof. Ateshian,

    thank you very much for the clarification and your precious time.

    Regards,

    Leo
  2. Dear Prof. Ateshian, I had a look at the link...

    Dear Prof. Ateshian,

    I had a look at the link you sent me concerning the fiber-exp-pow fiber formulation:



    but I cuould not find a way to obtain the relation ksi = (H+A - H-A)/4....
  3. Replies
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    Hi Steve, I am facing the same problem. Once i...

    Hi Steve,

    I am facing the same problem. Once i select the "plane cut" feature, it is not possible to select the nodes laying within the plane. I attached a picture showing that the nodes are not...
  4. Replies
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    1,794

    Hi Steve, yes, I think it will be really...

    Hi Steve,

    yes, I think it will be really useful. There is no alternative way to calculate them? My problem is axial-symmetric with just one element in one dimension (cylindrical wedge), using a...
  5. Replies
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    1,794

    Hi Steve, reading the manual I have the...

    Hi Steve,

    reading the manual I have the impression that it is not possible for the nodes, but only for the elements. Isn't it?

    Thanks a lot

    Regards,

    Leo
  6. Dear Prof. Ateshian, thanks a lot for your...

    Dear Prof. Ateshian,

    thanks a lot for your time, and yes I did see the mentioned material properties in the paper but I was wondering if there were other studies. Thank you very much also for the...
  7. Dear Prof. Ateshian, sorry for the insistence...

    Dear Prof. Ateshian,

    sorry for the insistence on the topic but I would like to have an idea about possible values of "ksi", related to a model using continuous fiber distribution, determined for...
  8. Replies
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    1,794

    Dear All, how can I do to export stresses,...

    Dear All,

    how can I do to export stresses, strains, fluid flux and fluid pressure at nodes using the logfile?

    Thanks a lot

    Regards,

    Leo
  9. Replies
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    1,534

    Hi Chang-Kye could you please tell me you...

    Hi Chang-Kye

    could you please tell me you solved the installation issue with MAC? I am new to OS and I am not really understanding how I should do to install FEBio...

    Many thanks

    Best,

    Leo
  10. Dear Prof. Ateshian, thanks a lot for the...

    Dear Prof. Ateshian,

    thanks a lot for the answer. I was referring to papers reporting its application. I was trying to find works using this material model implemented in FEBio. Is the paper that...
  11. Dear Prof. Ateshian, thanks a lot for the...

    Dear Prof. Ateshian,

    thanks a lot for the answer. To your knowledge, there is any published paper using the continuous fiber distribution implemented in FEbio?

    Thank you very much.

    Regards,...
  12. Replies
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    15,714

    Dear Prof. Ateshian, thank you very much for...

    Dear Prof. Ateshian,

    thank you very much for the confirmation.

    Regards,

    Leo
  13. Replies
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    15,714

    Dear Prof. Ateshian, if I would use Matlab to...

    Dear Prof. Ateshian,

    if I would use Matlab to draw the contour plot of the stresses experienced only by the solid matrix, should I use the total effective stresses in the above mentioned equation?...
  14. Dear Prof. Ateshian, considering a continuous...

    Dear Prof. Ateshian,

    considering a continuous fiber distribution and a "Holmes-Mow" solid, are these relations always valid?:

    The properties of a "neo-Hookean" solid are "E" (Young's modulus)...
  15. Replies
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    15,714

    Dear Prof. Ateshian, thanks a lot for...

    Dear Prof. Ateshian,

    thanks a lot for confirmation.

    Regards,

    Leo
  16. Replies
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    15,714

    Solid and fluid phases load support

    Dear All,

    I would like to be sure about the type of the default stresses that are depicted in the contour plot. Just to be 100% sure.

    The stress reported in Postview are related to the total...
  17. Dear Prof. Ateshian, rebuilding the mesh with...

    Dear Prof. Ateshian,

    rebuilding the mesh with Preview the fibers direction are assigned correctly. In this way I can use:
    <mat_axis type="local">0,0,0</mat_axis>
    ...
    <theta>0</theta> ...
  18. Dear Prof. Ateshian, thanks a lot for the...

    Dear Prof. Ateshian,

    thanks a lot for the answer. I see, and how I could define the coordinate system to align the fibers tangentially to the radial direction? I created the mesh in Abaqus, how...
  19. Dear Prof. Ateshian, thanks a lot for the...

    Dear Prof. Ateshian,

    thanks a lot for the answer. In this case the anomaly that I am facing is generated really at the beginning, when I launch FEbio. The application crashes before the simulation...
  20. Dear Prof. Ateshian, thanks a lot for your...

    Dear Prof. Ateshian,

    thanks a lot for your answer, I will apply the modifications that you suggested. I noticed that the loading rate is also affecting the convergence, also in the case of...
  21. Dear All, I am using a solid mixture that...

    Dear All,

    I am using a solid mixture that includes a compressible neo-Hookean solid (type="neo-Hookean") and three orthogonally oriented fibers (type="fiber-exp-pow") to model the top layer of a...
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    Dear Prof. Ateshian, thanks for the answer, I...

    Dear Prof. Ateshian,

    thanks for the answer, I wanted to be sure 100% that I was not doing a mistake. Thanks a lot again.

    Regards,

    Leo
  23. Replies
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    Dear Prof. Ateshian, sorry for the insistence...

    Dear Prof. Ateshian,

    sorry for the insistence but re-reading the post probably I was wrong in interpreting this:

    "It is best to use the biphasic (sliding2) contact interfaces for both cases you...
  24. Transversely isotropic material model (derived from orthotropic)

    Dear All,

    I am trying to run the attached models but they do not converge for low values of E1,2 and E3 and/or high displacement values.

    Is it a limitation of the material model or an error in...
  25. Replies
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    Dear Prof. Ateshian, really sorry for the...

    Dear Prof. Ateshian,

    really sorry for the further following question but I cannot figure out if it is possible to use facet-to-facet sliding between a rigid body and a biphasic substrate to...
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