Elastic Buckling Behaviour of a Four-Lobed Cross Section Cylindrical Shell with Variable Thickness under Non-Uniform Axial Loads

<table>The circumferential buckling modes of a circular cylindrical shell with variable thickness.</table>

Mathematical Problems in Engineering

Figure 4: Elastic Buckling Behaviour of a Four-Lobed Cross Section Cylindrical Shell with Variable Thickness under Non-Uniform Axial Loads 