CONCENTRATION OF STRESSES NEAR CIRCULAR HOLE OF AN AXISYMMETRICAL SPHERICAL SHELL WITH STIFFENING RING

in this paper,concentration of stresses near circular hole of an axisymmetrical spherical shell with stiffening ring are discussed. The calculating formulas for three stress resultants (radial bending moment,radial and hoop normal forces)under normal distributed load and ring load are derived. The numerical tables of them for poison's ratio ν=0 and different geometrical parameters are given for directly use in engineering design.