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Process simulation for sewer systems by splitting - a case study

  • Process simulation tools for sewer systems are built-up by modules for the simulation of flow, transport and chemical or biological reactions. Moreover, the coupling of the models for a single channel to a network is important. In this paper a splitting approach is presented for the suitable numerical treatment of the governing equations. The flow simulation is based on the one-dimensional Saint-Venant equations. These are combined with advection-diffusion-reaction equations for the transport of substances and their chemical or biological reactions. The Saint-Venant equations are splitted into quasi-linear and non-linear components which are semi-discretised in space separately. This approach is adapted to the equations for channels or rivers with strongly varying bottom elevation or cross sections and partial dry channels. The advection-diffusion-reaction equations are treated by an appropriate discretisation of the different parts. WENO-schemes are proposed for the space-discretisation of the advection terms. Numerical results of a case-study with eight chemical reactions are presented.

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Document Type:Article
Author:G. Steinebach, P. Rentrop, M. Paffrath, R. Rosen, S. Seidl
Parent Title (English):IJESMS (International Journal of Engineering Systems Modelling and Simulation)
First Page:185
Last Page:192
Publication year:2009
Tag:Method of lines; Saint-Venant equations; WENO-schemes; advection-diffusion reaction equations; chemical reactions; differential-algebraic equations; flow simulation; modelling; process simulation; sewage systems; sewer systems; sewers; splitting approach
Departments, institutes and facilities:Fachbereich Elektrotechnik, Maschinenbau, Technikjournalismus
Projects:EWave Verbundprojekt EWave: Energiemanagementsystem Wasserversorgung; Methodenentwicklung und prototypischer Einsatz eines integrierten Managementsystems für die energie- und ressourcenoptimierte Planung und Betriebsführung, Teilprojekt 5 (DE/BMBF/02WER1323E)
Dewey Decimal Classification (DDC):6 Technik, Medizin, angewandte Wissenschaften / 62 Ingenieurwissenschaften / 620 Ingenieurwissenschaften und zugeordnete Tätigkeiten
Entry in this database:2015/04/02