Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
A Comparison of Time-Stepping Numerical Predictions with Whole-Field Flow Measurement in Breaking Waves
Abstract Instantaneous, full-field velocity measurements under the crest of a laboratory generated breaking wave are presented and compared with a fully non-linear time-stepping numerical model. A plunging breaker is generated, on constant water depth, using the numerical model, then reproduced in a wave flume by matching wave amplitude timeseries at a position just before the breaking. The generation of the waves is achieved by means of a computer controlled wave paddle and measurements of the flow made with a full-field photographic technique (PIV). The photographic records of the flow are analysed on an automatic rig and the measurements are shown to compare well with the numerical calculations.
A Comparison of Time-Stepping Numerical Predictions with Whole-Field Flow Measurement in Breaking Waves
Abstract Instantaneous, full-field velocity measurements under the crest of a laboratory generated breaking wave are presented and compared with a fully non-linear time-stepping numerical model. A plunging breaker is generated, on constant water depth, using the numerical model, then reproduced in a wave flume by matching wave amplitude timeseries at a position just before the breaking. The generation of the waves is achieved by means of a computer controlled wave paddle and measurements of the flow made with a full-field photographic technique (PIV). The photographic records of the flow are analysed on an automatic rig and the measurements are shown to compare well with the numerical calculations.
A Comparison of Time-Stepping Numerical Predictions with Whole-Field Flow Measurement in Breaking Waves
Skyner, D. J. (Autor:in) / Gray, C. (Autor:in) / Greated, C. A. (Autor:in)
01.01.1990
18 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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