A numerical approach for the evaluation of wind-induced effects on inclined, slender structural elements

作者: Luisa Carlotta Pagnini

DOI: 10.1080/19648189.2016.1164088

关键词: Product (mathematics)TurbulenceWind engineeringStructural engineeringBending momentWakeDisplacement (vector)CantileverEngineeringShear force

摘要: The gust-excited response of structures is usually evaluated by an equivalent static load defined as the product between wind-induced mean force and a gust factor calibrated on maximum displacements. Advanced formulations provide 3-D using factors generic effect investigated, rather than refer only to displacement, allowing more accurate description actual internal forces. Established procedures are available, now, concerning vertical cantilever slender structures. Starting from this framework, present paper generalises technique supplying numerical solution for estimate shear forces bending moments variegated typology structural elements, generically inclined, elevated above ground variously constrained. Accounting cross-contributions different turbulence terms wake excitation (in absence lock-in conditions), procedure particularly suitable dealing with wi...

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