Stresses in two spars of model of wing having three rectangular cutouts were calculated by PIBAL method, modification of Southwell's method of systematic relaxations; model was built and tested in Polytechnic Institute of Brooklyn Aeronautical Laboratories and deflections and strains measured were compared with calculated values; agreement found satisfactory.
Interaction between spars of semimonocoque wings with cutouts
Nat Advisory Committee Aeronautics -- Tech Note
1947
37 pages
12 Supp plates, Bibliography
Report
English
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