Meshing RVE of fiber reinforced composite for muscle tissue modeling

[stefgrez]

Hello Nick,

I’m currently exploring GIBBON for my thesis work, which involves simulating aspects of muscle tissue. Would it be possible to recreate a meshed model, similar to the one attached using GIBBON? It's modeled using two differently sized 3D representative volume elements. The elements are periodic, so the large RVE is a multiple of the smaller one. Both
RVEs are discretized with linear fully integrated hexahedral elements.

I have tried doing a 2d face mesh of the rve using multiRegionTriMesh2D, with the thought of being able to extrude it to form a 3d mesh. But I ran into the issue bellow when trying to "substract" the quarter circles in the egdes from a rectangle enclosing the RVE, as the boundary curves input .

The third image is the closest I have gotten, but then I ran into the issue of the nodes not being shared on the interfaces between the fibers and the matrix.

Is there a way to circumvent those issues in order to be as close to the original meshed model?

Thank you very much for your time. I appreciate any guidance you can provide.

[Kevin-Mattheus-Moerman]

@stefgrez let me know if you still need help with this. It is probably easier to trouble shoot over a video call some time. You can email me at [email protected] if you are still stuck.

[stefgrez]

Hello Kevin, Thank you for your response and willingness to help. Sadly, due to mandatory military service in Greece, I will only be available for a call after the 28th of February. Would it be possible to arrange a meeting sometime after that date? Thanks again for your support ! Best regards, Stephen.

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On Sun, 2 Feb 2025 at 22:06, Kevin Mattheus Moerman < ***@***.***> wrote: @stefgrez <https://github.com/stefgrez> let me know if you still need help with this. It is probably easier to trouble shoot over a video call some time. You can email me at ***@***.*** if you are still stuck. — Reply to this email directly, view it on GitHub <#192 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/BMTYOH3BOMVGTAFWB6JYUIT2NZ3C3AVCNFSM6AAAAABVV6UKCOVHI2DSMVQWIX3LMV43OSLTON2WKQ3PNVWWK3TUHMZDMMRZGUZTKNZWGQ> . You are receiving this because you were mentioned.Message ID: ***@***.***>