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Finally, let's add the shear stress in the r-theta direction. To do this, we go to Solution > Stress > Shear. You'll notice that now, in the details view window, the stress needs two directions to define it. In order to solve for the r-theta shear, we need to change the Coordinate System parameter from the Global Coordinate System to Polar Coordinates. Also, ensure that the Orientation is in the XY direction (in polar, this will be r_theta by the coordinate system we created). Rename the stress to Tau_r-theta.

Solve!

To solve for the stresses and deformation, we now hit the solve button.

Keep going! Almost done! [Step 6 -