NACA-TN-1222

Abstract

INTRODUCTION <br>In reference 1 Timoshenko presents a solution for the buckling stresses of simply supported rectangular flat plates in shear. Timoshenko considered only the equations which permitted a buckle pattern symmetric about the midpoint of the plate. This limitation led to a small error in the critical stress in several cases in which the governing buckle pattern was antisymmetric instead of symmetric. <br>The buckling stresses have been determined more correctly than in reference 1 by considering both the symmetric and the antisymmetric buckle patterns. Through the use of the matrix iteration method described in reference 2 and by a proper choice of the terms in the series representing the deflection, more accurate results were obtained. The theoretical analysis given in the appendix is a brief summary of the derivation given in reference 1.