An Approximate Analysis of the Influence of Aerodynamic Heating and Initial Twist on the Torsional Stiffness of Thin Wings

[+] Author and Article Information
Lit S. Han

Department of Mechanical Engineering, The Ohio State University, Columbus, Ohio

J. Appl. Mech 27(2), 332-334 (Jun 01, 1960) (3 pages) doi:10.1115/1.3643961 History: Received May 04, 1959; Online September 16, 2011


In the present paper, approximate formulas are derived, based on the “fiber-stress” concept, for the combined influence of aerodynamic heating and initial twist on the torsional stiffness of a thin wing. Criteria are established for calculating the critical temperature difference between that of the edges and that of the mid-chord position, for preventing possible aeroelastic reversals or buckling. Formulas are valid for wings with large aspect ratios.

Copyright © 1960 by ASME
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