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MPC Constraint in Abaqus

thread1630-493632

MPC Constraint in Abaqus

MPC Constraint in Abaqus

(OP)
Hello,
I am having some troubles in Abaqus with some MPC constraint and BC.
I have kind of a ring, where the external surface is fixed, and the internal surface should rotate on the circumferential direction, without moving in radial direction. It is actually a torsion experiment.


I tried all the different kind of MPC constraint, but with BEAM there is radial displacement, even if I limit it with another boundary condition. Has anyone experienced something similar?

RE: MPC Constraint in Abaqus

Maybe you could use rigid body constraint or kinematic coupling constraint. They are usually utilized for torsion analyses.

RE: MPC Constraint in Abaqus

(OP)
Thank you for your advice, I tried both but still I have the same result. BMC Beam should work because I have it on another file, but for some reason on my work fails

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