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Closed form solution of the alongwind-induced fatigue damage to structures
- Source :
-
Engineering Structures . Oct2009, Vol. 31 Issue 10, p2414-2425. 12p. - Publication Year :
- 2009
-
Abstract
- Abstract: Wind-induced fatigue is a crucial topic in the design of several structural types. Despite this, the methods proposed in the literature have been developed mainly for research purposes. As a consequence, reliable engineering and standard methods for wind-induced fatigue analyses are still very limited and mainly addressed to the crosswind-induced fatigue caused by vortex shedding. Based on these considerations, this paper proposes a novel approach to evaluate the alongwind-induced fatigue of slender structures and structural elements. Starting from the procedure recently proposed by the authors, a hierarchy of hypotheses is introduced and critically discussed, which leads to a progressive simplification of the basic formulation. Two levels of formulae are derived, namely a closed form solution and an approximated closed form expression of the wind-induced damage; these represent a solid base from which to derive suitable methods for engineering calculations and standards. Application of the proposed solutions shows good agreement with numerical results. [Copyright &y& Elsevier]
Details
- Language :
- English
- ISSN :
- 01410296
- Volume :
- 31
- Issue :
- 10
- Database :
- Academic Search Index
- Journal :
- Engineering Structures
- Publication Type :
- Academic Journal
- Accession number :
- 44261308
- Full Text :
- https://doi.org/10.1016/j.engstruct.2009.05.016