During Face to face meeting

First Presentation (13th February
)

The aim of this presentation is to present our work the weeks before face to face meeting, we also had to present our organisation and our stategy for the comming weeks.


First question and report

Our first subject is the morphological representation in the different hydrological modelling approach. To answer this question we decided to use differents softawars : Hec HMS, Mike SHE  and SHETRAN. By using different software we will have a better idea of how the morphological representation influence on different models.

-Hec HMS (SCS curve number loss model) is a 1D/ lumped model event based, empirical equations, fitted parameters based, continuity principle based.

-Mike SHE
is a 2D overland flow model coupled with a 1D model physically based, maning derived equations.

-SHETRAN
is a 2D model physically based
, spatially distributd, catchment modelling system, St Venant equations.

Here are the morphological parameters we had choosen and the software we will use to see there influence on the different hydrological modelling approach.
Here you can find the report for this first part

Second presentation (17th February)


The aim of this presentation is to present our work for the first week.

17th of February.pptx





Second question and report


Team  second subject is the "Representation of river geometry(river bed, flood plain…) into different models (1D, 2D, quasi 2D)" , once again we have to work on several softwares, we decided to model with Mike (11 and 21), Iber and Hec-RAS.

 1D     2D  Quasi-2D
 Mike 11
Hec-RAS + HEC Geo RAS
 Mike 21
IBER    
 MIKE 11

The work was split into groups responsible for each software:


Mike 11, 21, 21 FM

Chao, Lee, Connor, Théo

IBER

Alexis, Miguel

HEC-RAS 

Tomasz, Brian, Laura



We decided to compare the way by which you can represent morphology of the river  in each of those hydraulic modeling softwares and to try to find the influence of morphology on the results.
Last presentation (24th February)

Following inputs that represent morphology in the chosen software have been identified:


1D

  • cross-sections
  • buildings (through modification of the cross-sections)
  • hydraulic structures (through the tool in the software or by modifying the crossection)

2D

  • Mesh based on DEM
  • Floodplain
  • Floodplain structures (buildings)
  • hydraulic structures

quasi-2D

  • cross-sections
  • buildings (through modification of the cross-sections)
  • hydraulic structures
  • floodplain (through the addition of storage areas

Report and results are here

Last presentation (24th February)

Second presentation 24th February.pptx





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