Hydrodynamic Modelling Using HİDROTÜRK Model

Yıl 2021, Cilt: 5 Sayı: 1, 80 - 107, 20.01.2021

Lale Balas , Kağan Cebe

Öz

In this manuscript, the hydrodynamic sub-model components of HİDROTÜRK, the first national hydrological, hydrodynamic, hydrogeological, water quality, and ecological model developed for sustainable management of water resources in Turkey, have been briefly introduced with their basic theoretical and numerical backgrounds. HİDROTÜRK model includes three individually processing hydrodynamic sub-models, namely one (1-D), two (2-D), and three (3-D) dimensional written in FORTRAN programming language. Inputs and outputs of all sub-models are managed through a user-friendly interface. The 1-D hydrodynamic model solves the Saint-Venant equations, which are gradually varied unsteady flow equations written in the flow direction. It applies a dynamic wave routine. 2-D hydrodynamic model numerically solves the unsteady depth-averaged continuity and momentum equations. 2-D model is more reliable for shallow waters where the areal extent of the domain is dominant over the vertical or for completely mixed water bodies through the water depth. The 3-D hydrodynamic numerical model solves the unsteady Navier-Stokes equations in three dimensions only with the Boussinesq assumption. When the water body is deep, and variable circulations over the water depth occur, especially in the simulations of wind and density induced flows, the application of the 3-D hydrodynamic model is crucial. The software developments and preliminary tests of the models by SWMM5.0-EXTRAN and Three Dimensional Hydrodynamic, Transport and Water Quality Model -3D have been completed, and the verification studies are still ongoing. Some applications to Demirköprü Dam Lake in the Gediz River Basin are presented to show the input and output structures of hydrodynamic models.

Anahtar Kelimeler

HİDROTÜRK, hydrodynamic model, momentum, wave routine, continuity

Destekleyen Kurum

TC Tarım ve Orman Bakanlığı

Proje Numarası

Hydrological, Water Quality and Ecological Modeling Tools For Sustainable Management of Water Resources In Turkey

Teşekkür

This work is completed under the scope of the project entitled as “Hydrological, Water Quality and Ecological Modeling Tools For Sustainable Management of Water Resources In Turkey” that is directed by İTÜNOVA Technology I.C. and supported by Republic of Turkey Ministry of Agriculture and Forestry.

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