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The goal of the Contrails project is to help preserve and disseminate the technical record of 20th century aerospace research, highlighting in particular the research endeavors of the Illinois Tech community.

Analytical Study Of Approximate Longitudinal Transfer Functions For A Flexible Airframe

Report Number: ASD TDR 62-279
Author(s): Pearce, B.F.; Johnson, W.A.; Siskind, R.K.
Corporate Author: Systems Technology Inc Inglewood Calif
Laboratory: Flight Control Laboratory
Date of Publication: 1962-06
Pages: 113
Contract: AF 33(616)-7657
Project: 8219
Task: 821901
AD Number: AD0283978

Abstract:
Elastic-airframe dynamics, important from the standpoint of flight control system design were studied. Approximate transfer functions are given in literal terms for three classes of vehicles. These are of such a form that th important poles and zeros are related directly to simple functions of aerodynamic, elastic, and inertial properties. The aeroelastic corrections required to account for the flexibility influences of all modes not included in the equations of motions are discussed, and a rigorous method for applying these corrections is presented.

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