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iDEA: Drexel E-repository and Archives > Drexel Academic Community > College of Engineering > Department of Civil, Architectural,and Environmental Engineering > Proceedings of the 7th International Conference on HydroScience and Engineering (ICHE 2006) [ISBN: 0977447405] > Improving the prediction capability of numerical models for particle motion in water bodies

Please use this identifier to cite or link to this item: http://hdl.handle.net/1860/1509

Title: Improving the prediction capability of numerical models for particle motion in water bodies
Authors: González, Andrea
Bombardelli, Fabián
Niño, Yarko
Keywords: Sediment transport;Computational hydraulics;Fluvial hydraulics
Issue Date: 12-Sep-2006
Publisher: Michael Piasecki and College of Engineering, Drexel University
Citation: Proceedings of the Seventh International Conference on Hydroscience and Engineering, Philadelphia, PA, September 2006. http://hdl.handle.net/1860/732
Abstract: The Basset force plays an important role in the momentum equations for relatively-small solid particles moving close to a river bed. This force can make the numerical solution of these equations computationally time- and memory-consuming. Reduction of the computational cost of the Basset term is therefore strongly needed. In this paper, we present and discuss a two-stage methodology to deal with the difficulties associated with the Basset force. First, we use an approximation of the Basset term based on a semi-derivative (fractional mathematics); second, we redefine the integration time of the term proposing the use of a number of previous jumps. Important savings in computational time are reported.
Description: Paper presented at The Seventh International Conference on HydroScience and Engineering (ICHE) hosted by the College of Engineering at Drexel Univeristy on September 10-13, 2006 in Philadelphia, Pennsylvania. The conference theme was IT in the Field of HydroSciences. It included several mini-symposia that emphasized IT topics in HydroSciences and the yearly meeting of the metadata group of the International Oceanographic Data and Information Exchange organization.
URI: http://hdl.handle.net/1860/1509
ISBN: 0977447405
Appears in Collections:Proceedings of the 7th International Conference on HydroScience and Engineering (ICHE 2006) [ISBN: 0977447405]

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