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Coupling iRIC to DEM software to simulate floating bodies

  • Nov 02 2022
  • Tim Andersson


I got a in-house software that’s very good at handling rigid body interactions and I got access to the full source code, now I’m looking for some way to implement or couple hydrodynamics to it, specifically I need a two way interaction between river flow and floating rigid bodies.

For the rigid bodies simulation I need a 2D vector field for flow velocities and the depth at each point.
For the hydrodynamics I need some way to check how the rigid bodies change the flow.

I noticed that there’s a fair bit of work being done with iRIC on floating debris so I figured it might be a good framework for what I’m doing. Does it seem like something that would be possible to do by utilizing a (or writing a new) iRIC solver?

Best Regards


  1. pritikumaricetpa says:

    iRIC (International River Interface Cooperative) is a powerful software tool used for simulating complex hydraulic and hydrodynamic systems. In order to simulate floating bodies in iRIC, it is necessary to couple it with a DEM (Digital Elevation Model) software tool. Here are the general steps for coupling iRIC to a DEM software:

    Choose a DEM software: The first step is to choose a DEM software that is compatible with iRIC. Some popular options include GIS software such as ArcGIS or QGIS, and DEM-specific software such as GMT (Generic Mapping Tools) or TopoFlow.

    Prepare the DEM data: The next step is to prepare the DEM data that will be used in the simulation. This involves gathering data on the terrain and bathymetry of the area of interest, and processing it into a format that can be read by the chosen DEM software.

    Convert the DEM data: Once the DEM data has been prepared, it needs to be converted into a format that can be read by iRIC. This typically involves converting the data into a mesh format, such as the VTK (Visualization Toolkit) format.
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