Abstract - Jurgen Wacker

Wind Impact on Textile Structures

The objective of this lecture is to give a short overview with regard to wind impact on textile structures. Textile structures often show a complex geometry; hence, it is common practice to determine the wind loads acting on textile structures by means of appropriate wind tunnel tests. The state of the art of wind tunnel testing methodology is summarised. This includes both modern measurement techniques and most sophisticated data analysis methods, respectively. With regard to the dynamic response of textile structures to wind impact, methods will be presented which are based on the combination of time-dependent wind tunnel test results and the structural parameters of the structure. In case studies, the state of the art investigation of different wind load aspects is demonstrated. A short comparison between wind tunnel tests and numerical flow simulations (CFD (computational fluid dynamics), FSI (fluid structure interaction)) is given. Advantages and disadvantages of both procedures will be shown.

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