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THIN-WALL is a user-friendly computer program for calculating the section properties and stresses in
thin-walled cross-sections of general geometry. The program calculates the section properties, sectorial
coordinate, and the longitudinal and shear stresses for the cross-section. THIN-WALL can also perform
an elastic buckling analysis of thin-walled structures subjected to longitudinal stress. The structure being
analysed may be a folded plate system, a stiffened plate or a thin-walled structural member but it must be
uniform in thickness in the longitudinal direction and simply supported at its ends. The longitudinal edges
may be simply supported, clamped or free along the full length of the plate system. The analysis can be
done for a number of different buckle half-wavelengths of the structure and the load factor and buckled
shape are output for each length.