User Forum of Software BASEMENT

BASEMENT
Basic Simulation Environment for computation of environmental flow and natural hazard simulation
Laboratory of Hydraulics, Hydrology and Glaciology (VAW)
ETH Zurich
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#1 2015-02-04 07:17:46

beroubt
User
Registered: 2015-01-05
Posts: 5

3D Visualisation of Basement results?

Hallo
are you able to recommend a free software, like paraview or VisIt, to visualize three dimensional water flow resulting from a basement simulation?
Which data formats do i have to use? Are there any experiences, hints or maybe tutorials?
Thanks for your answers.
beroubt

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#2 2015-02-04 12:29:34

Sam
Developer
From: VAW - ETH Zurich
Registered: 2014-09-04
Posts: 46
Website

Re: 3D Visualisation of Basement results?

hi beroubt,
for advanced visualization we recommend paraview.
to generate a visualization of 3d topography including the water surface elevation (colored with water depth) you need at least the following two special_output blocks in basement:

SPECIAL_OUTPUT {
    type             = element_centered
    format           = vtk
    output_time_step = 1
    values           = (depth wse)
}
SPECIAL_OUTPUT {
    type             = node_centered
    format           = vtk
    output_time_step = 1
    values           = (z_node deltaz)
}

then you can import all files into paraview and apply the needed filters (see example state file here, just update the path to your result files).
cheers, sam

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#3 2015-02-04 14:29:03

beroubt
User
Registered: 2015-01-05
Posts: 5

Re: 3D Visualisation of Basement results?

Hi sam,
using
SPECIAL_OUTPUT {
    type             = node_centered
    format           = vtk
    output_time_step = 1
    values           = (z_node deltaz)
}
i've got Block-Error: Output of type 'deltaz' defined in 'values' can not be generated without bedload computation.
Do you have a (simple) work around?
thanks beroubt

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#4 2015-02-04 15:16:25

Sam
Developer
From: VAW - ETH Zurich
Registered: 2014-09-04
Posts: 46
Website

Re: 3D Visualisation of Basement results?

ok, this example was including an erodible bed to visualize the changing topography as well.
just skip the 'deltaz' in 'values' and your pure hydraulic simulation will run.
eventually you need some small adaptions in the provided paraview state file...

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