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| Authors: | Francesco Casella: Dipartimento di Elettronica e Informazione, Politecnico di Milano, Italy |
| | Michael Sielemanny: Deutsches Zentrum für Luft- und Raumfahrt, Institute of Robotics and Mechatronics, Germany |
| | Luca Savoldelli: Dipartimento di Elettronica e Informazione, Politecnico di Milano, Italy |
| Publication title: | Steady-state initialization of object-oriented thermo-fluid models by homotopy methods |
| Conference: | Proceedings of the 8th International Modelica Conference, March 20th-22nd, Technical Univeristy, Dresden, Germany |
| Publication type: | Abstract and Fulltext |
| Issue: | 063 |
| Article No.: | 011 |
| Abstract: | The steady-state initialization of large object-oriented thermo-hydraulic networks is a difficult problem, because of the sensitivity of the convergence to the initial guesses of the iteration variables. This paper proposes an approach to this problem based on homotopy transformation, detailing specific criteria for model simplifications in this physical domain. The approach is successfully demonstrated on large power plant test cases, having several hundreds of iteration variables. |
| Language: | English |
| Keywords: | Thermo-hydraulic systems, power plants, steady-state initialization problems |
| Year: | 2011 |
| No. of pages: | 11 |
| Pages: | 86-96 |
| ISBN: | 978-91-7393-096-3 |
| Series: | Linköping Electronic Conference Proceedings |
| ISSN (print): | 1650-3686 |
| ISSN (online): | 1650-3740 |
| File: | http://www.ep.liu.se/ecp/063/011/ecp11063011.pdf |
| Available: | 2011-06-30 |
| Publisher: | Linköping University Electronic Press, Linköpings universitet |
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REFERENCE TO THIS PAGE | Francesco Casella, Michael Sielemanny, Luca Savoldelli (2011). Steady-state initialization of object-oriented thermo-fluid models by homotopy methods, Proceedings of the 8th International Modelica Conference, March 20th-22nd, Technical Univeristy, Dresden, Germany http://dx.doi.org/10.3384/ecp1106386 (accessed 5/19/2013) |
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