Pressurized spherical shell with elliptical hole
<img src="https://eng-calculations.com/SVG/Peterson(and39)s_Stress_Concentration_Factors/Holes/Pressurized spherical shell with elliptical hole.svg" alt="Pressurized_spherical_shell_with_elliptical_hole" title="Pressurized_spherical_shell_with_elliptical_hole">
https://eng-calculations.com/SVG/Peterson(and39)s_Stress_Concentration_Factors/Holes/Pressurized spherical shell with elliptical hole.svg