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Modelling of Deposition and Erosion Processes Along a 180° Open Canal Bend by Nays2dh in iRIC

Author

Listed:
  • Amany A. Habib

    (Water Engineering and Water Structures Department, Faculty of Engineering, Zagazig University, Egypt, Zagazig, 44519, EG)

  • Mohamed A. Nassar

    (Department of Construction Engineering, College of Engineering in Al-Qunfudhah, Umm Al-Qura University, KSA, on leave from Water Engineering and Water Structures Department, Faculty of Engineering, Zagazig University, Egypt, 44519, EG)

Abstract

This paper presents experiments and computer simulation for the erosion and deposition processes along a 180° open canal bend. The computer simulation is conducted by Nays2DH model in iRIC software. The models are conducted with the curvature’s radius ratio (Ø/L) varies within 3.0 to 8.5. Experiments produced that the erosion and deposition actions decrease as Ø/L increases. The minimal erosion and deposition are detected at (Ø/L =8.5). The optimum place of a bridge circular support along the bend is defined. The results of Nays2DH Model are compared with tests. RSQ for the modelled statuses is 88.329% and the correlation factor between simulations and the gauged depths is 93.98%. 20

Suggested Citation

  • Amany A. Habib & Mohamed A. Nassar, 2019. "Modelling of Deposition and Erosion Processes Along a 180° Open Canal Bend by Nays2dh in iRIC," Engineering Heritage Journal (GWK), Zibeline International Publishing, vol. 3(2), pages 01-05, October.
    • Handle: RePEc:zib:zbngwk:v:3:y:2019:i:2:p:01-05
    DOI: 10.26480/gwk.02.2019.01.05
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