1D numerical hydrodynamic models

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Factsheet: 1D numerical hydrodynamic models

Category Hydromorphological models
River Characterisation

1D numerical hydrodynamic models


Hydromorphological models

Basic principles

Fundamental equations for conservation of water mass and water flow momentum, spatially averaged over cross-section segments and time-averaged over all turbulent fluctuations


Flow velocities, water depths, water levels, flow shear stresses


Related Pressures

Related Measures

Useful references

Selected software systems

Basement: http://www.basement.ethz.ch/

FLUX/FLORIS: http://www.scietec.at/navigation/powerslave,id,17,nodeid,17,_language,en.html

HEC-RAS: http://www.hec.usace.army.mil/software/hec-ras/

ISIS: http://www.halcrow.com/isis/

Mage: http://www.irstea.fr/mage

Mike11: http://www.mikebydhi.com/Products/WaterResources/MIKE11.aspx



SOBEK: http://www.deltaressystems.com/hydro/product/108282/sobek-suite

WASPI: http://www.hydroconsult.net/software_de.htm

Theoretical background

Cunge J.A., Holly F.M. and Verwey A. (1980): Practical aspects of computational river hydraulics. Pitman, London.

Reichel G. and Fäh, R. (1995): Programmpaket FLORIS: Grundlagen und praktische Anwendungen. In: Mathematische Modelle offener Gerinne, Konstruktiver Wasserbau / Landschaftswasserbau 17, ÖWAV-Seminar 21.11.1995, Wien.

Reichel G. (2001): FluxDSS und FLORIS2000 - ein leistungsfähiges Paket zur Modellierung der Fließvorgänge in komplexen Systemen. Österreichische Wasserwirtschaft, Jg. 53, Heft 5/6, S. 170-171.

USACE (2002): HEC-RAS River Analysis System, Hydraulic Reference Manual Version 3.1. US Army Corps of Engineers, Hydrologic Engineering Center, Davis, California, USA.

Sample applications

Abbot M.B. and Ionescu F. (1967): On the numerical computation of nearly horizontal flows. Journal of Hydraulic Research, Vol. 5, pp. 97-117. http://www.tandfonline.com/doi/abs/10.1080/00221686709500195

Hauer C., Unfer G., Schmutz S., Tritthart M. and Habersack, H. (2007): The necessity of modelling the stability of rheophilous cyprinids spawning grounds including comparing 1D, 2D and 3D numerical models. Proc. 6th Ecohydraulics Symposium, 18.-23.2.2007, Christchurch, New Zealand.