Software for the Simulation of Power Plant Processes. Part A: The Mathematical Model. + Part B.

Brian Elmegaard, Niels Houbak

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Modelling of energy systems has been increasingly more important. In particular the dynamic behaviour is critical when operating the systems closer to the limits (either of the process, the materials, the emissions or the economics, etc.). This enforces strong requirements on both the models and their numerical solution with respect to both accuracy and efficiency. In part A of this paper we give a survey on simulation of energy systems, from models and modelling, over numerical methods to implementational techniques. It covers important aspects of the different phases of modelling of a (energy) system. It also gives a short introduction to robust numerical methods which it is strongly recommended to use. Finally, a few important aspects (sparse matrix technique, handling discontinuities and table look-ups) of the implementation of an energy system simulator are described. Part B contains a short description of many static and/or dynamic energy system or process simulators. It discusses the principal implementation of the model handling in DNA and finally, there is a small example illustrating that too simple component models may under certain circumstances result in an erroneous, singular model.
Original languageEnglish
Title of host publicationProceedings of ECOS 2002
Publication date2002
ISBN (Print)3-00-009533-0
Publication statusPublished - 2002
EventECOS 2002: 15th International Conference on Efficiency, Costs, Optimization, Simulation and Environmental Impact of Energy Systems (ECOS 2002) - Berlin, Germany
Duration: 3 Jul 20025 Jul 2002


ConferenceECOS 2002

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