13th -14th March 2021 1st International water Conference

Dam Modelling and Simulation Using Geographical Information Systems and Computational Fluid Dynamics, as a Case Study.

Dr. Younis Saida Saeedrashed, Prof. Dr. Ali Cemal Benim Duesseldorf University of Applied Sciences Germany Contents

 Case Study  Modeling and Simulation Tools  Involved Stakeholders  Hydrologic and Hydraulic Modeling of The Region Under Study  Physical Model of  CFD Model of Badush Dam  Future Work  Recommendations  References

Case Study – Badush Dam Badush Dam is a repulse dam, correlated with Dam Related Dam Break Analysis studies show that the Mosul City need to be secured from predicted risks Badush Dam has been proposed as the best existed alternative Badush Dam no longer feasible for power generation as a main purpose, but it could be quite feasible for retain the upstream reservoir

Chapter 16: Saeedrashed, Y. and Benim, A. C., Geo-morphometric analysis and flood simulation of the River due to a predicted failure of the . 2019 Environmental Remote Sensing and GIS in , Springer, DOI 10.1007/978-3-030-21344-2.

Badush Dam in a quick glance Badush Dam Site, 40 km downstream of Mosul Dam and 15 km upstream of the Mosul city. Current Situation of Badush Dam Estimated reservoir 10 x109m3 volume 10 x 10^9 m^3

Modified dam elevation 260 m.a.s.l.-312 m.a.s.l. Badush Dam in a quick glance

Badush Dam is an earth fill / concrete dam 3686m long, located on the Tigris River, 23Km north west of the city of Mosul and 22 Km D/s from the existing Mosul Dam. Its design criteria are: • Crest elevation: 1st stage (power generation) 260 m.a.s.l, and for 2nd stage (final stage) 312 m.a.s.l. • Height: for first stage is 35m, and for the final stage is 92m. • Normal storage: at elevation 245m.a.s.l 350*106 m3. • Maximum storage: for the 1st stage 400*106m3 for the 2nd stage 1.14*1010m3. • Power hose, close to the concrete dam toe with 4 units (Kaplan type). • The main purpose for the dam construction (in this stage) is power generation, taking in consideration the probability of rising the crest of the dam from 260 m.a.s.l up to 312 m.a.s.l for repulse Mosul dam water wave in case of failure. Involved Stakeholders

Ministry of Water Resources (Iraq) Team International (Lebanon) EDR (Germany) Other Related International Institutes and Companies

Ministry of Water Resources (Iraq) , EDR (Germany) & Team International (Lebanon)

The scope of this work covered three main tasks

1. Design evaluation in regards to power generation and raising the crest elevation from 260 m.a.s.l to 312 m.a.s.l for repulse Mosul dam water wave in case of dam break.

2. Environmental Impact Study covering biodiversity, soil, surface water and groundwater, climate, geological conditions, geomorphology, seismic hazard, sediments, plant production, animal production, agriculture, inhabitation, archaeological and cultural heritage, and solid, liquid and gas wastes.

3. Feasibility study of hydro-power generation compared to other alternatives, taking into consideration other benefits, like agriculture, water storage,… Modeling and Simulation Tools- GIS, CFD and HPC !

Integration of three advanced applications (GIS, CFD and HPC) for optimization (design and performance improvement). Integration between CFD model and physical model for achieving cost effective project. Integration between hydrologic model and hydraulic model for representing factual and reliable results.

Physical Model

Scale 1: 60 Badush Dam-based Flow-3D CFD CFD Model, Badush Dam based- ANSYS CFD and HPC (Proposed Project)

Optimization of Spillway, Bottom Outlets, Stilling Basin, etc. which means; Save of time More feasible water industry project More efficient hydraulic structure

Future work : Badush Dam Model-based HPC Grid generation with much more level of detail.

Grid Independence Study.

Testing different types of turbulence model.

Simulation and calibration of the model based on different scenarios and modifications in design.

Displaying Results.

Recommendation

Including Water Resources-based CFD research center in the water resources industry in Iraq

Enhancement of the related technical skills of researchers and academic´s staff that enabling them to work with super computer (HPC).

Building up of an adequate CFD platform and network-based experts that provide water resources industry in Iraq with reliable and standard solutions.

Supporting and exchanging experiences with the related universities and academic institutes.

References

Saeedrashed, Y. and Benim, A. C., 2019. Geo-morphometric analysis and flood simulation of the Tigris River due to a predicted failure of the Mosul Dam. Environmental Remote Sensing and GIS in Iraq, Springer, DOI 10.1007/978-3-030-21344-2.

Y.S. Saeedrashed and A.C. Benim, 2017 . Numerical Simulation of Hydrodynamics of Badush Dam. (11-International Conference on Computational Heat, Mass, and Momentum Transfer (ICCHMT 2018), Cracow University, Poland.

Y.S. Saeedrashed and Aytac Guven, 2012. Estimation of Geo-morphological Parameters Using Remotely Sensed Images, WRM, Springer, (Netherlands).

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