Structural analysis and design of airplanes (1920)
United States. Army. Air Corps · [Washington] · leaf 29
ion symmetrically. II. The forces are perpendicular to the axis of the beam. III. The material of the beam is homogeneous. IV. The beam is of uniform cross-section throughout. Y. The axis of the beam is a straight line containing the center ofgravity of every cross-section. (The term cross-section… … Section /?-/? Fig 13. Beam to Left of Section A—A In a beam conforming to these conditions, in shape, material, andloading, take a section A—A (Fig. 12), and isolate that portion of thebeam to the left of the section (Fig. 13). Since the beam is in a condi-tion of equilibrium the internal forces…
Airplanes
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