Gust Loading Factors with Nonlinear Pressure Terms

by Christian Soize, Struct. Research Engr.; Centre Technique Industriel de la Construction Metallique, Puteaux, France,

Serial Information: Journal of the Structural Division, 1978, Vol. 104, Issue 6, Pg. 991-1007

Document Type: Journal Paper


An analytical method is proposed to calculate an expression of the gust loading factor taking into account the nonlinear fluctuation pressure terms, for elastic structures with N degrees-of-freedom, loaded by a random wind. In this method, the Fourier transform technique of the probability law and the Edgeworth's series are used. A numerical example shows the influence of nonlinearity in the presence of resonant amplification effects.

Subject Headings: Load factors | Wind gusts | Elastic analysis | Wind loads | Nonlinear analysis | Wind pressure | Fourier analysis | Probability

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