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HOW TO MODEL ROLLING DISK UNDER FORCE IN ANSYS MECHANICAL APDL

HOW TO MODEL ROLLING DISK UNDER FORCE IN ANSYS MECHANICAL APDL

HOW TO MODEL ROLLING DISK UNDER FORCE IN ANSYS MECHANICAL APDL

(OP)
hello
I am using ansys mechanical apdl.I have plate and disc. i want to impart force on the disc and then to roll it.deformation on the plate is important for me. my question are:
1- can i model disc as rigid body? if yes how?
2- how can i impart force and then roll the disc?
i modeled 2D,defined pilot node on the center of disc,but because i couldn't model disc as rigid body when imparting force, the force distributed on whole of disc.and results are unrealistic.
3- how can I consider force on the disc and roll it?
with imparting boundary condition using by displacement i did it..but with the force,i couldn't..
I recall you i use ansys mechanical APDL. and other version of ansys are unavailable. the photos of program environment has been attached
any point or guidance would be appreciated

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