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

<table>Coordinate system and geometry of a variable axial loaded cylindrical shell of four-lobed cross section with circumferential variable thickness.</table>

Mathematical Problems in Engineering

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Figure 1

Figure 1: Elastic Buckling Behaviour of a Four-Lobed Cross Section Cylindrical Shell with Variable Thickness under Non-Uniform Axial Loads 