Υδραυλική Ποταμών και Προσομοίωση

### Γενικά στοιχεία

Περιγραφή
 Basics of one-dimensional uniform channel flow. Calculation examples.Gradually varied flow. Solution methods-calculation of water surface profiles: Standard-Step method; Direct-Step method. Calculation examples. (using FORTRAN, EXCEL or MATLAB)Introduction to the HEC-RAS model; applications. Tutorial 1. Unsteady flow. Equations Saint-Venant and their simplifications (kinematic and diffusion wave).Solution of the Saint-Venant equations using the Finite Difference Method. Application to a simplified flood propagation problem. Tutorial 2. Flash-floods and dam-break waves. Dam break analysis.Application of HEC-RAS to calculate flood propagation.  Tutorial 3. Sediment transport:  physical properties of sediment; basics of bedload and suspended load sediment transport. Mathematical modelling of sediment transport. Use of the HEC-RAS model; sediment hydrodynamics (quasi-steady flow); sediment continuity equation; physical constraints to erosion and deposition (sorting and armouring). Tutorial 4.
Ύλη

1                    Introduction. Steady open channel flow. Uniform flow. Calculation examples.

2                    Gradually varied steady flow (GVSF). Calculation examples. Mathematical modelling of GVSF using Excel or MATLAB.

3, 4               Mathematical modelling of GVSF using well-known codes. Application of HEC-RAS to calculate GVSF. Tutorial 1.

5                   Rapidly Varied Open Channel Flow (RVOCF). Equations Saint Venant. Simplified equations. Examples of RVOCF. Calculation methods for RVOCF.

6, 7               Modelling of RVOCF using the Finite Difference Method (FDM). Presentation of the FDM. Application of the FDM to a simplified flood propagation problem.

8, 9               Modelling of dam break/flash flood waves. Dam break analysis. Modelling a simplified dam break problem using the Finite Volume Method (FVM). Use of various differencing schemes. Tutorial 2.

10                 Mathematical modelling of floods. Examples and practical implications. Application of HEC-RAS to calculate flood propagation.  Tutorial 3.

11, 12, 13      Sediment transport (ST) in open channel flows. Application of HEC-RAS to calculate sediment transport. Tutorial 4.

Βιβλιογραφία

1.1.         A

Π.Ν. Παπανικολάου, Σημειώσεις

2.          V.T. Chow, "Open-Channel Hydraulics", McGraw Hill 1979 (πολλαπλές εκδόσεις).

3.          F.M. Henderson, "Open Channel Flow", Macmillan 1966.

9.          R.H. French, "Open Channel Hydraulics", McGraw Hill 1985

10.      T.W. Sturm, "Open Channel Hydraulics", McGraw Hill 2010

11.      A. Osman Akan, "Open Channel Hydraulics", Elsevier 2006

12.      M.H. Chaudhry, "Open Channel Flow", Springer 2008

13.      H. Chanson "The hydraulics of open channel flow", Elsevier 2004

14.       UNET One-Dimensional Unsteady Flow Through a Full Network of Open Channels. User's Manual, US Army Corps of Engineers, Institute for Water Resources, Hydrologic Engineering Center, Version 4.0, April 2001.

15.       R. Szymkiewicz, Numerical Modeling in Open Channel Hydraulics, Water Science and Technology Library, Volume 83.

16.       S. C. Chapra , R. P. Canale, "Numerical Methods For Engineers", Sixth Edition, McGraw-Hill 2010.

17.       C.A.J. Fletcher, "Computational Techniques For Fluid Dynamics, Vol. 1, 2", Second edition, Springer-Verlang 1990.

18.       The R Project for Statistical Computing, R version 3.5.1 (Feather Spray), https://www.r-project.org

Διδάσκοντες

Α. Στάμου, Καθηγητής, 210 772 2809, e-mail: stamou@central.ntua.gr

ΠΡΟΓΡΑΜΜΑ ΜΑΘΗΜΑΤΩΝ
 A1.3 Υδραυλική Ποταμών και ΠροσομοίωσηA1.3 River Hydrodynamics and Modelling TUESDAYS 8:45-11:30 Α. Στάμου (AIS)Α. Νάνου (KN)Α. Μπλούτσος (ΑΒ) Γ.Μητσόπoυλος (GM)Ε. Παναγιωτάτου (ΕP)

 Lecture Date Subject Tutor Notes 1  2 & 3     4 05-10-2021  12 -10- 202119 -10- 2021    26-10-2021 Basics of one-dimensional uniform channel flow. Calculation examples. Gradually varied flow. Solution methods-calculation of water surface profiles: Standard-Step method; Direct-Step method. Calculation examples (using FORTRAN, EXCEL, or MATLAB) Introduction to the HEC-RAS model; applications. Tutorial 1. AIS    AB    KN/GM Book AIS    Notes    Notes KN 5   6 & 7 02-11-2021   09-11-202123-11-2021 Unsteady flow. Equations Saint-Venant and their simplifications (kinematic and diffusion wave). Solution of the Saint-Venant equations using the Finite Difference Method. Application to a simplified flood propagation problem. Tutorial 2. AIS/AB   AB Notes AISp.6-11p.12-16p.17-20p.21-23 (p.61-63)p.24-29 8, 9 & 10 30-11-202107-12-2021 14-12-2021 Flash-floods and dam-break waves. Dam break analysis. Application of HEC-RAS to calculate flood propagation.  Tutorial 3. AIS/GM  AIS/GM Notes Stamoup.44-47 p.48-52p.53-55 11, 12& 13 21-12-2021    11-01-202219-01-2022 (αναπλήρωση) Sediment transport:  physical properties of sediment; basics of bedload and suspended load sediment transport. Mathematical modelling of sediment transport. Use of the HEC-RAS model; sediment hydrodynamics (quasi-steady flow); sediment continuity equation; physical constraints to erosion and deposition (sorting and armouring). Tutorial 4. ΚΝ     KN/EP Notes KN     Notes KN