Journal of Materials and Engineering Structures
Volume 1, Numéro 2, Pages 73-88
2014-09-01
Stress In Closed Thin-walled Tubes Of Single Box Subjected By Shear Forces And Application To Airfoils
Authors : Boun-jad Mohamed . Zebbiche Toufik . Allali Abderrazak .
Abstract
The presented work is to develop a numerical computation program to determine the distribution of the shear stress in closed tubes with asymmetric single thin wall section with a constant thickness and applications to airfoils, and therefore determining the position and value of the maximum stress. In the literature, there are exact analytical solutions only for some sections of simple geometries such as circular section. Hence our interest is focused on the search of approximate numerical solutions for more complex sections used in aeronautics. In the second stage the position of the shear center is determined so that the section does not undergo torsion. The analytic function of the airfoil boundary is obtained by using the cubic spline interpolation since it is given in the form of tabulated points.
Keywords
Thin Wall; Shear center; Shear stress; Airfoil section
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