Plane-Stress Transformation Module
by: Dominic J. Dal Bello, Jan., 2001

Enter the Original Stresses on the Element
          sx:    sy:   txy:   
Desired Counterclockwise (Positive) Rotation of Element
          q (degrees): °                   

                                      

Stresses in Rotated System (rotated q from original axis):

     sx':    sy':    tx'y':

Note: The angles listed below correspond to vectors (rotated q from the x-axis) that are normal to the faces on which the stresses act. Angles in degrees.

Principal Stresses

   Principal Stress, sI:    at  qI : °  
   Principal Stress, sII:  at  qII : °

Maximum Shear Stress
   Max. Shear Stress, t:  at qs,1 : °  
   Max. Shear Stress, t:  at qs,2 : °  

   Normal Stress on both faces, ss:

Magnitude of Max Out-of-Plane Shear Stress:  
von Mises Stress, so :