Structural analysis and design of airplanes (1920)
United States. Army. Air Corps · [Washington] · leaf 30
until the unit stress reaches a certainvalue, known as the elastic limit of the material, the ratio between thestress and the strain is a constant quantity, called the modulus of elas-ticity, which is expressed in pounds per square inch. Consider now a portion of a bent beam (Fig. 14), and take… … Fig. 14 Illustration of Beam Curvature11 Strength of Materials Art. 17 parallel to mn will be proportional to their distance from a fixed center.If the distance mn is taken short enough, the intersection of the neutrallayer m with the plane of the forces can be considered as an arc of acircle of…
Airplanes
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