BUCKLING ANALYSIS OF RING-STIFFENED CYLINDRICAL SHELLS BY FINITE STRIP METHOD

The procedtires for the general buckling analysis 0f ring-stiffened cylindrical shells under hydrostatic presstlre by finite strip method are formulated. The stiffened shell is treated as a bare shell with orthotropic properties. The elasticity matrix of the strip is worked out. The buckling load of a simply supported ring-stiffened cylindrical shell by FSM compares favorably with the analytical solntion. It is shown that the finite strip method is an effective method for the buckling analysis of ringstiffened cylindrical shells with closely spaced stiffeners.