1. Features: 1. 2D structural analysis (plane stress) 2. Static analysis 3. Quarter symmetric 4. SI units 5. Only the yoke is modeled 6. Material properties are at 4 K · SS304: Poisson’s ratio 0.279, Young’s modulus 210.0E9 Pa · Iron yoke: Poisson’s ratio 0.284, Young’s modulus 224.02E9 Pa, modeled as a solid material (not as laminations) 7. Loading conditions: 5.5 MPa applied vertically, 3.0 MPa applied horizontally (see geometry plot) 8. Boundary conditions: symmetry conditions on both horizontal and vertical geometric boundaries

2. Model geometry, elements, boundary conditions, and loading

3. Contour plot of horizontal displacements

4. Contour plot of vertical displacements

5. Contour plot of stress in horizontal direction

6. Contour plot of stress in vertical direction

7. Contour plot of stress intensity

8. Contour plot of von Mises stress

9. Note: Stress concentration at sharp corner