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ABAQUS Cylindrical Boundary Conditions

Dear all,

 I am trying to learn ABAQUS using this problem (what I thought would be simple enough):

Intial Geometric Configuration: A Disc (thin) with a finite radius (1 unit) and a wedge (5 degree pie) cut off. So it is basically a disc with material present only from angles 0 to 355 degrees and the material from 355-360 degrees is removed.

Cylindrical Boundary Conditions: Displacements degrees of freedom are UR(r,phi) in the radial direction and Uphi(r,phi) in the tangential direction

   1) Uphi(r,0) = 0

   2) Uphi(r, 355) = 5 (in degrees)

Basically a displacement boundary conidition is applied such that the wedge is closed. I want to find the stress distributions in the final configuration. I have the part and mesh set up but I am not sure how to define these boundary conditions. The boundary conditions that I find for "Displacement/Rotation" are in Rectangular Cartesian Coordinate system. Not sure how to define these displacement boundary conditions in cylindrical coordinate system. Any suggestions are appreciated.

Thanks,

Rakesh 

Hi

See this subject at Abaqus documentation:

 

56.5 Creating analytical fields using expressions

 

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