Vibration of Towers as Related to Wind Pulses

by Arthur N. L. Chiu,
Donald A. Sawyer,
Linton E. Grinter,

Serial Information: Journal of the Structural Division, 1964, Vol. 90, Issue 5, Pg. 137-160

Document Type: Journal Paper


Responses of towers subjected to pressures from simulated wind records that vary with time are obtained by computer analysis. Parameters and variations include: Power-law vertical wind profile; mean yaw and standard deviation; horizontal zones to permit random velocity and yaw fluctuations; random normal deviates for wind fluctuations; foundation effect; frequency of velocity and yaw fluctuations; damping; rectangular or linearly varying wind pulses. An equivalent single-mass system, with two uncoupled degrees of freedom along mutually perpendicular planes, represents the mathematical model of the actual structure in the analysis. Results from the analyses of three different towers are presented.

Subject Headings: Wind forces | Wind power | Vibration | Wind engineering | Wind pressure | Computer analysis | Wind speed | Velocity profile

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