The Effect of the Edge Conditions on the Buckling of Thin-Walled Circular Cylindrical Shells in Axial Compression

摘要

A summary is presented of recent closed-form as well as numerical solutions of the buckling problem of thinwalled circular cylindrical shells subjected to uniform axial compression. The ratio of the critical stress to the classical value of the critical stress has been calculated for nine different combinations of boundary conditions. The minimal values of theling stress ratios are for rigid end fixation and 0.5 for simple supports, while in the case of free ends the buckling stress ratio can be very small. The large effect on the buckling stress of small changes in the boundary conditions is proposed as one of the reasons for the large scatter in the results of bukling expments. (Author)