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Linking of hydraulic models through the OpenMI
Neyskens, I.; Smolders, S. (2008). Linking of hydraulic models through the OpenMI. MSc Thesis. Katholieke Universiteit Leuven (KUL)/Vrije Universiteit Brussel: [s.l.]. xvi, 144 pp.
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Document type: Dissertation
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  • Neyskens, I.
  • Smolders, S., more
Abstract
    During the last decade, water is under high pressure. The water framework directive gives a response to this worldwide problem. It aims at integrated water management on a basin scale. In this study, the focus is set on the interaction between the sewer system and the river system. In the past this interaction is widely studied: one-directional and two-directional. The onedirectional linking of hydraulic models of river and sewer systems counts for the influence of the sewer system on the river system. The two-directional linking takes into account the influence of the sewer system on the river system and vice versa.
    br>In the scope of the water framework directive, the OpenMI is developed as a tool to make it possible that different software components of the same distributor as well as from different origin can communicate with each other. This tool is assumed to be a crucial element in the two-directional linking of hydraulic models.

    In this study the OpenMI is studied for its technical value as well as for its usefulness. This is done for the linking of the software InfoWorks CS 7.51 and InfoWorks RS 7.51. The first objective aimed at understanding the effect of using the OpenMI on the produced data. To understand this, simple cases are worked out to test what happens with the data results. Out of this part of the study, it is concluded that the choice of the simulation timestep as well as the source of the trigger are very important for the preciseness of the produced data. Moreover, the interaction of both has seemed to be very crucial for the exchanged and results data.

    The second objective contributed to the usefulness of the OpenMI tool on more complex hydraulic models. It appeared that long term simulations done for two-directional linked models with the OpenMI may not be realistic (with the present generation of computers) in the sense of data storage and the simulation time.
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