A new breakthrough in 2D hydraulic modeling!

 

RiverFlow2D model is a breakthrough in 2D hydraulic modeling, offering a high performance finite-volume engine for faster, accurate and volume conservative computations in all flow simulations.

 

RiverFlow2D unique features

  • Virtually Zero Volume Conservation Errors (< 10-10 % Error)
  • The first GPU-based flexible mesh model in the market offering amazing > 100X faster simulations with the use of specific hardware
  • New model engine based on ultra-accurate Fourth-Generation Finite-Volume algorithm.
  • Unmatchable stability and ease of use
  • New wetting-drying method handles the most demanding topography like never before.

 

RiverFlow2D main capabilities

 

Mesh Generator

     •  Automatic generation of flexible

        triangular- element mesh 

     •  Unlimited element refinement    

     •  Mesh quality report

     •  Spatially varied  interpolation  

        methods including

           •  Triangular (TIN)

           •  Inverse Distance Weighting

           •  Nearest neighbor

           •  Sampling, and many more 

 

Hydraulic Components

     •  Culverts using FHWA  

        formulation

     •  Bridge pier drag forces   

     •  Weirs and Gates

     •  Internal hydraulic structures

     •  Sources and sinks

     •  Bridges

     •  Spatially variable rainfall  

        and evaporation

     •  Spatially variable Infiltration

        

Input Data Formats

     •  Metric or English units

     •  ASCII X, Y, Z   

     •  ESRI ASCII grid files

     •  USGS DEM

     •  ESRI Shape files    

     •  Autodesk DXF

     •  TIFF, GIF, BMP raster’s

 

Initial Conditions

     •  Dry-bed

     •  User-defined water elevations

 

Numerical Engine

     •  Spatial discretization using

        triangular elements

     •  High performance Finite-Volume

         engine 

     •  Double-precision computations 

        for higher accuracy

     •  Fully parallelized with OpenMP 

        for faster execution in Multiple-

        Core computers 

     •  GPU version for >100X faster

        simulations 

 

Sediment Transport 

     •  Bed-changes (erosion-

        deposition)

     •  10 sediment-transport formulas

     •  Sediment transport over rigid 

        bed

Pollutant Transport

     •  Advection - Dispersion - 

        Reaction

     •  Reaction Rates and Decay

     •  Multiple Ineracting Pollutants 

 

Mud And Debris Flow

     •  Seven rheological formulations

     •  Granular flow

 

Boundary Conditions

     •  Water discharge hydrograph

     •  Water discharge and elevation 

        vs. time

     •  Water elevation vs. time

     •  Uniform flow 

     •  Free outflow 

 

Output Options

     •  Results at cross sections and 

        profiles

     •  Observation points

     •  Dynamic plots while the model 

        runs

     •  Maximum velocity and water 

        elevations

     •  Depth, velocity, bed elevation, 

        erosion or deposition, Froude

        number,  bed shear stress and

        sediment discharge            

     •  Polygon, line and point ESRI

        Shape files     

     •  Autodesk DXF mesh and 

        velocity fields

     •  GIS post processing plots 

        including shape files and raster 

        images

            •  Velocity field, depth and 

               WSE

            •  Bed shear stress

            •  Erosion and deposition

            •  HDF5

            •  VTK

 

    Oil Spills On Land

     •  Oil pipelines leaks

     •  Oil Tank breaks

     •  Temperature dependent 

        viscosity and density  

 

 

 

 

RiverFlow2D modules

 

RiverFlow2D may include one of the three RiverFlow2D Plus modules: MD (Mud & Debris), ST (Sediment Transport), PL (Pollutant Transport) or the upcoming OL ( Oil Spills on Land). Users can purchase RiverFlow2D Plus model boundled with one of the modules or RiverFlow2D Plus modules separately.