Wind Induced Vibration in Light Polesby Hayes E. Ross, Jr., (M.ASCE), Asst. Res. Engr.; Texas Transp. Inst., Texas A&M Univ., College Station, TX,
Thomas C. Edwards, (A.M.ASCE), Asst. Res. Engr.; Texas Transp. Inst., Texas A&M Univ., College Station, TX,
Serial Information: Journal of the Structural Division, 1970, Vol. 96, Issue 6, Pg. 1221-1235
Document Type: Journal Paper
Abstract: Modal analysis is applied to obtain a solution to the differential equations of motion of a vibrating cantilevered light pole when subjected to wind forces. Use is made of a high-speed computer in the solution processes. The excitation forces are those caused by vortices which are shed alternately along the cylindrical portion of the vertical support pole. Structural idealization is accomplished by lumping the continuum into discrete masses interconnected by weightless elastic springs. Two typical light poles are analyzed for illustrative purposes.
Subject Headings: Equations of motion | Vibration | Modal analysis | Differential equations | Cantilevers | Wind forces | Computing in civil engineering | Excitation (physics) |
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