Stress Concentration Around an Open Circular Hole in a Plate Subjected to Bending Normal to the Plane of the Plate by C. Dumont 2026-11-05
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NACA-TN-740, 1 December 1939. Verified NTRS record and abstract: aluminum-alloy plate, two bending loads, strain/deflection measurements and distinct gross/net reference factors. Byline retained as C. Dumont.
The NTRS Authors metadata explicitly lists “Dumont, C (Aluminum Company of America)”; no expansion of C. is supplied. Its Abstract gives measured peak-stress ratios of 1.59 relative to the computed net-section stress and 1.85 relative to a solid plate of the same dimensions under the same bending forces. Locator: ntrs.nasa.gov/citations/19930081505 , Authors and Abstract.
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