Cable Equilibrium and Stability in a Steady Wind

by John J. Russell, Assoc. Prof.; Dept. of Civ. Engrg., Engrg. Mechanics and Materials, U.S. Air Force Academy, Colo.,
William M. Henghold, Tenure Assoc. Prof.; Dept. of Civ. Engrg., Engrg. Mechanics and Materials, U.S. Air Force Academy, Colo.,
Joseph D. Morgan, III, Assoc. Prof.; Dept. of Civ. Engrg., Engrg. Mechanics and Materials, U.S. Air Force Academy, Colo.,


Serial Information: Journal of the Structural Division, 1978, Vol. 104, Issue 2, Pg. 301-311


Document Type: Journal Paper

Discussion: Ramberg Steven E. (See full record)
Closure: (See full record)

Abstract: A finite element representation for a cable subject to steady airflow is developed. Quasi-steady aerodynamics consisting of normal and tangential components is used. The model results in nonsymmetric stiffness matrices and thus admits the possibility of both static and dynamic instabilities. A demonstration problem is worked in terms of certain nondimensional parameters. This problem exhibits good stability behavior.

Subject Headings: Cables | Finite element method | Air flow | Aerodynamics | Dynamic models | Stiffening | Matrix (mathematics) | Parameters (statistics)

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