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Publications

Following the links below you find a continuously updated publication list of our group. In order to have an overview of our current publications please visit d|b|t|a's page on ResearchGate: Fachgebiet Dynamik und Betrieb technischer Anlagen [1]

Analysis and Decomposition for Improved Convergence of Nonlinear Process Models in Chemical Engineering
Zitatschlüssel Bublitz2017
Autor Saskia Bublitz and Erik Esche and Gregor Tolksdorf and Volker Mehrmann and Jens-Uwe Repke
Seiten 1503–1514
Jahr 2017
DOI 10.1002/cite.201700041
Journal Chemie Ingenieur Technik
Jahrgang 89
Nummer 11
Monat oct
Verlag Wiley
Zusammenfassung Abstract Solving nonlinear equation systems as they occur in process simulation simultaneously, often fails due to ill?conditioned models or bad initialization. To counteract these issues two methods have been implemented in the web?based platform MOSAICmodeling. The Dulmage?Mendelsohn algorithm forms a block diagonal Jacobian matrix. In addition, the bordered block transformation identifies variables that need to be carefully initialized due to their great influence on the system. Both methods are applied on two process models and their convergence and sensitivity towards initialization is analyzed.
Link zur Publikation [2] Download Bibtex Eintrag [3]
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