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Cosmos FEA bevel gear restraints

Cosmos FEA bevel gear restraints

Cosmos FEA bevel gear restraints

(OP)
Hi,


im doing an FEA of an entire bevel gear but am confused about the restraints. I am using cylindrical restraints on the inside bore / diameter of the gear and have set both the radial and axial translations to zero. The problem is the circumferential: in real life the gear is free to rotate on its own axis, but if i make the circumferential too big (degrees) then i get the 'large displacement' error message when solving the problem.

Does anyone know what the best / accurate way to approach this?

Thanks.

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