Windkanaltests zur Ermittlung der Windlasten auf Stadiondächer

Determination of wind loads on stadium roofs by means of wind tunnel tests.

Wind loads often are very important with regard to the design of new stadium roofs. It is state of the art, to determine the design wind loads for stadium roofs by means of appropriate wind tunnel tests. In this contribution it is described, how such wind tunnel studies are to be done. In particular new developments in model construction, methodology of wind pressure measurements in the wind tunnel, data analysis and documentation of design wind loads are summarized. Different design aspects are summarized. Finally, by consideration of these new developments in wind tunnel testing it is described, why numerical flow simulations (cfd = computational fluid dynamics) are not appropriate to determine design wind loads for stadium roofs adequately.