Comparison Of The Software Packages ISIS And Mike1 1 For The
Simulation Of One-dimensional Open Channel Flow
Author(s)
R. Van Looveren, P. Willems, M. Sas, C. Bogliotti & J. Berlamont
Abstract
Comparison of the software packages ISIS and
Mikell for the simulation of open channel flow
R. Van Looveren% P. Willems^ M. SasC. Bogliotti* & J. Berlamonf
^Laboratorium voor Hydraulic a, K.U.Leuven, Belgium.
* Hydrodata-IC bvba, Belgium.
Abstract
In this study two well known commercial software packages for one-dimensional
open channel flow are compared to each other: ISIS from HR Wallingford and
Mikel 1 from the Danish Hydraulic Institute (DHI). The comparison is confined
to the two most important modules, namely the hydrodynamic and the
hydrological module. It is proven that the hydrodynamic parts of ISIS and
Mikel 1 are very similar. They are both found on the same physical equations (de
Saint Venant) and the difference in solution algorithms only leads to local
differences in the results (e.g. at hydraulic jumps). ISIS and Mikell take
however a different view on how hydraulic structures are to be modelled. The
differences between both packages are more pronounced for the
Keywords
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