The circle shown depicts stress combinations that occur at various orientations in the -plane. (Note: Surfaces in the -plane are those plane surfaces which have a normal that lies in the -plane). On the axis, the circle connects and .
The circle shown depicts stress combinations that occur at various orientations in the -plane. (Note: Surfaces in the -plane are those plane surfaces which have a normal that lies in the -plane). On the axis, the circle connects and .