In 2012 verloren we Jean Jacques Peters, voormalig ingenieur van het Waterbouwkundig Laboratorium (1964 tot 1979) en internationaal expert in sedimenttransport, rivierhydraulica en -morfologie. Als eerbetoon aan hem hebben we potamology (http://www.potamology.com/) gecreëerd, een virtueel gedenkarchief dat als doel heeft om zijn manier van denken en morfologische aanpak van rivierproblemen in de wereld in stand te houden en te verspreiden.
Het merendeel van z’n werk hebben we toegankelijk gemaakt via onderstaande zoekinterface.
On the accurate resolution of hydraulic jumps in Open‐FOAM: Measurement techniques for the study of hydraulic jumps
López Castaño, S.; Verelst, K.; Van Hoydonck, W. (2024). On the accurate resolution of hydraulic jumps in Open‐FOAM: Measurement techniques for the study of hydraulic jumps. Version 3.0. FH reports, 20_035_1. Flanders Hydraulics: Antwerp. VIII, 20 pp. https://dx.doi.org/10.48607/263
Deel van: FH reports. Flanders Hydraulics: Antwerp.
This report forms part of the project “On the accurate simulation of hydraulic jumps using OpenFOAM”, where CFD analyses and calibrations are conducted for the study of classical and sloped hydraulic jumps. Complementary physical experiments are conducted in an effort to collect fine‐grained data that could be used for verifying the numerical experiments. However, the development of PIV and LiDAR techniques is the primary objective of this report and not the presentation of a quantitative analysis for the experiments conducted. Following reports will detail the results obtained both in laboratory and numerical settings. In the current study, the development of several techniques for the processing of images in PIV and the cleaning of LiDAR measurements are presented. Experimental campaigns are conducted in FHR, where the measurements conducted present problems that may be alleviated by the aforementioned techniques. Such techniques come as a result trial‐and‐error and from the revision of existing literature on subjects related to computer vision and statistical data analysis. Here it is intended to document the solutions to the different problems encountered during the experiments and to serve as a precursor for more accurate measurements. Development of software for PIV and LiDAR measurements is still underway, including the techniques discussed here.
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