A recurrence formula for shear-lag problems
A 1939 NACA technical note, issued by the NASA Technical Reports Server and drawn from its archive, presents a recurrence formula for shear-lag problems in aircraft wing beams for aeronautical engineers. Its diagrams show a beam divided into bays, with stacked box segments, arrows marking shear and force flows, and labelled node points, giving a designer a clear schematic vocabulary of exploded, segmented structure.
