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Hi Arpit, The merging process creates only warning(s) not error, so I think you can proceed with your model. One suggestion, you'd better check the model merging (issue nummrg command twice) to make sure that all nodes and kpoints are merged completely.

Hi Arpit, Correction:You might have to change the constraint (in your input file there is only 1 dir of constraint (Uy)). Since the constraint is only at y direction so the model can actually slide in x direction...

Hi Ian, Have you checked the (target and contact) element's normal orientation ? find ESYS command in ANSYS help, (plot control->symbol->esys). As for element error message, you can get align your workplane to the nodes attached to that element. In the other words, the location of your error...

Hi Bram, Have you tried to use stress linearization (ppath command)? I dont know exactly how the mesh is but you can get like: "Your linearized component stress values are obtained by interpolating each element’s average corner nodal values along the section path points within each path element"...

Hi Arpit, I have run your input file. At first I thought that the problem was because bad mesh, so I changed the mesh. But I found that the mesh was not the problem. We just need to merge you keypoints and nodes for your model using command: nummrg,kp nummrg,node Hope this helps!

Thank you all for the suggestions and advices. In the first model, I have already placed my model to the center of simulation domain. Based on the suggestions, I tried to refine the mesh and re-run the simulation, -> the torque decreased up to micro Nm for a model size 80mm in D and 2mmm gap...

Brian, Thank you for your answer, I agree with you about non-uniform magnetic field distribution. But since I got this result from a simulation, I assumed that the magnetic field produced by each magnet would be identical (if not depend on the mesh). Do you think we have analytical method to...

Hi, I am new in this forum, I hope somebody can help me to answer my question. It seems like a simple problem. I have 2 cylindrical magnet which have opposite magnetic direction,one is placed in the top of the other (with small gap). I have tried to use a FEA-based software (Maxwell) to...