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How to find the end-state shape of a Hyperelastic Device Upon Pressure Variation
Posted 27.02.2021, 19:19 GMT-5 General, Acoustics & Vibrations, Structural Mechanics Version 5.6 0 Replies
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Hi, I'm totally new to the COMSOL Software environment and I would like to know how it would be possible to find the end-state shape of a 3D structure upon both pressurisation and de-pressurisation.
Currently, I have chosen a structural mechanics physics with a Stationary Study. I had created the part in Solidworks and imported the geometry into COMSOL Multiphysics. I have chosen a Hyperelastic Gent Material Model for the 3D Structure and had entered the material properties accordingly.
A negative pressure is being applied on the inner cavity of the 3D structure as a boundary load. One vertex is made as a fixed constraint.
The error I'm getting is "Failed to find a solution. Maximum number of Newton iterations reached. Returned solution is not converged. Not all parameter steps returned."
I had also tried increasing the number of iteration steps to 100 but this too did not prove to be helpful.
Thanks in advance.
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Hello Midhun Varghese
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