Prebuckling Analysis of Orthotropic Barrel-Shells

by Mohamed N. El-Atrouzy, Lect.; Struct Engrg. Dept., Ain Shams Univ., Abbassia, Cairo, Egypt,
George Abdel-Sayed, (M.ASCE), Prof. of Civ. Engrg.; Univ. of Windsor, Windsor, Ontario, Canada,

Serial Information: Journal of the Structural Division, 1978, Vol. 104, Issue 11, Pg. 1775-1786

Document Type: Journal Paper


Cylindrical shells made of cold formed deep profiles or corrugated steel sheets are analyzed, using the theory of orthotropic shells. The governing equations and solution are modified to correct a deficiency of a previously reported solution, especially for shells supported along their four edges. Improved solutions are obtained by: (1)Accounting for the effect of the transverse shear forces on the condition of equilibrium in the radial direction; and (2)applying a particular solution that satisfies the governing equations. The modified solution is valid for long shells and converges to that of simple arches with the increase of length of the shell. Also, an experimental program is undertaken and the comparison shows good agreement between the theoretical and experimental results.

Subject Headings: Buckling | Orthotropic materials | Cylindrical shells | Cold-formed steel | Sheets | Shear forces | Transverse shear | Equilibrium

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