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How to enforce minimum gap between two vibrating structures- FSI

Posted 20 mar 2015, 03:52 GMT-4 Fluid & Heat, Computational Fluid Dynamics (CFD), Mesh, Modeling Tools & Definitions, Parameters, Variables, & Functions, Studies & Solvers, Structural Mechanics Version 4.4 0 Replies

Parichay Garg
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Hey,

I am working on vocal fold aerodynamics. I am trying to perform 2D Fluid Structure Interaction simulations in which the air flows between the two vocal folds. The gap between them is very small(~2mm) through which the air flows. I am unable to get convergence. The error is "Failed to find consistent initial value". I am also getting a warning of inverted mesh in the gap between the two structures.
I think so the structures are coming in contact and hence the error. Can anyone help me out to understand how to enforce a minimum gap between the two.

PFA the image of the model

Thanks in advance!!

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0 Replies Last Post 20 mar 2015, 03:52 GMT-4
COMSOL Moderator

Hello Parichay Garg

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