The effect of modelling assumptions on the differential index of lumped process models

Research output: Contribution to journalArticle

Abstract

The effect of model simplification assumptions on the differential index of DAE process models is investigated in this paper. Efficient incremental graph-theoretical algorithms are proposed to follow the changes in the variable-equation assignments during the modelling process. Case studies are used to demonstrate the operation of the algorithms and the effect of steady-state assumptions on the differential index of a simple process model.

Original languageEnglish
Pages (from-to)979-984
Number of pages6
JournalComputer Aided Chemical Engineering
Volume10
Issue numberC
DOIs
Publication statusPublished - 2002

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Computer Science Applications

Cite this

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title = "The effect of modelling assumptions on the differential index of lumped process models",
abstract = "The effect of model simplification assumptions on the differential index of DAE process models is investigated in this paper. Efficient incremental graph-theoretical algorithms are proposed to follow the changes in the variable-equation assignments during the modelling process. Case studies are used to demonstrate the operation of the algorithms and the effect of steady-state assumptions on the differential index of a simple process model.",
author = "Z. Tuza and G. Szederk{\'e}nyi and K. Hangos",
year = "2002",
doi = "10.1016/S1570-7946(02)80191-2",
language = "English",
volume = "10",
pages = "979--984",
journal = "Computer Aided Chemical Engineering",
issn = "1570-7946",
publisher = "Elsevier",
number = "C",

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AB - The effect of model simplification assumptions on the differential index of DAE process models is investigated in this paper. Efficient incremental graph-theoretical algorithms are proposed to follow the changes in the variable-equation assignments during the modelling process. Case studies are used to demonstrate the operation of the algorithms and the effect of steady-state assumptions on the differential index of a simple process model.

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