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Arc Length Method in cohesive forces modeling
Posted May 24, 2024, 7:53 a.m. EDT Geomechanics, Geometry, Structural Mechanics Version 6.2 1 Reply
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Hi, every one, I have a problem of snap back curve of a crack point advancement. At a certain value of sigma (the applied force), at y axis, and crack propogation, at x axis. as it shows in following capture; the snap-back shows when sigma increases, the crack advances. How to implement the Arc Length method on COMSOL to control the charge increasing and the displacement increasing.
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I think you should first try to adapt the method used in
https://www.comsol.com/model/postbuckling-analysis-of-a-hinged-cylindrical-shell-10257
Introduing an arc length method is more complicated, but here is an example for comparison:
https://www.comsol.com/model/postbuckling-analysis-using-an-incremental-arc-length-method-119001
-------------------Henrik Sönnerlind
COMSOL