Along-Wind Motion of Multistory Building

by J. N. Yang, Prof.; Dept. of Civ., Mech. and Environmental Engrg., George Washington Univ., Washington, D.C. 20052,
Y. K. Lin, (M.ASCE), Prof.; Dept. of Aeronautical and Astronautical Engrg., Univ. of Illinois, Urbana, Ill.,

Serial Information: Journal of the Engineering Mechanics Division, 1981, Vol. 107, Issue 2, Pg. 295-307

Document Type: Journal Paper


Treating the wind-excited motion of a multistory building as a random vibration problem, the input-output spectral density relationships are derived using a transfer matrix formulation. In this analysis the motion of the building is restricted to the direction parallel to the average wind flow, the along-wind direction; and the structural response is represented by a displacement variable and a force variable in each story unit. A 40-story building is used as a numerical example.

Subject Headings: Motion (dynamics) | Mid-rise buildings | Vibration | Power spectral density | Matrix (mathematics) | Wind direction | Structural response | Structural analysis

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