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Two-dimensional modelling of the river Rhine

  • The system for operational water level forecast and prediction of (fortunately not daily) pollutant transport for the river Rhine is in daily use. This model is based on the Saint-Venant or one-dimensional shallow water equations. The model is augmented by additional terms and equations to model the effect of dead zones and the transport of soluble components. The next step is to move towards two-dimensional models. An important problem that arises is that the domain of the fluid is not fixed by the given data, but depends on the water level and is therefore part of the solution of the model. Even worse, depending on the topography of the river bed, even the topology of the fluid domain may change, as islands may appear at low water and get flooded at high water situations.

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Document Type:Article
Parent Title (English):Journal of Computational and Applied Mathematics
First Page:11
Last Page:20
Place of publication:Amsterdam
Publication year:2002
Tag:Free boundary problem; Immersed interface method; Network approach; Water level forecast
Dewey Decimal Classification (DDC):5 Naturwissenschaften und Mathematik / 51 Mathematik / 510 Mathematik
Entry in this database:2015/04/02