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An Evalution of Some Approximate Methods of Computing Landing Stresses in Aircraft

Elbridge Z. Stowell

出版	National Advisory Committee for Aeronautics, 1948
URL	http://books.google.com.hk/books?id=n31DAQAAIAAJ&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN

註釋

The landing of a simplified airplane structure, consisting of a uniform beam for the wings, a concentrated mass for the fuselage, and a linear spring for the landing gear, is analyzed exactly and is compared with several approximate solutions. The approximate solutions which neglect elasticity in the determination of landing-gear reaction but consider elasticity in computations of stresses give results of good accuracy and indicate that drop tests in which rigid masses are used may be a satisfactory approach to the landing problem.