NASA NTRS · 19890000414
Vibrating Beam With Spatially Periodic Stiffness
Abstract
Report presents theoretical analysis of vibrations of simply supported beam, bending stiffness varying about steady value, sinusoidally with position along length. Problem of practical importance because related to vibrations of twisted-pair electric-power transmission lines. Twists promote nonuniform shedding of vortexes and prevents resonant accumulation of vibrational energy from wind.
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Townsend, John S.. 1989-08-01. Vibrating Beam With Spatially Periodic Stiffness. https://ntrs.nasa.gov/citations/19890000414
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