Elastic-plastic dynamic buckling of cylindrical shells under combined loading

The elastic-plastic dynamic buckling of cylindrical shells under combined loading is discussed. The basic equations of structure are derived from Hamilton variational principle and the constitution of material utilizes the increment theory. The increment numerical method is used to solve the kinetic equations. The results shows that radial external pressure plats an important role on the shape and property of the cylinder under axial loading. The effects of value of radial external pressure and value of axial loading to the dynamic buckling behavior of cylinder are discussed.