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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 2025-11-25 10:10:16

matthans
User
Registered: 2025-11-24
Posts: 1

Restart simulation BASEMENT 4.1

Hi

I´would like to restart one of my BASEMD modells that is made in BASEMENT 4.1. My initial parameters are

initial I set "file" = results.h5       
"HYDRAULICS": {
          "INITIAL": {
            "type": "continue",
            "file": ".../result.h5"
            "restart_solution_time": -1
          },

Running this creates the following error:

WARNING -> Determining the existing solution times failed: Accessing the HDF5 group
   '/RESULTS/CellsAll/Depth' failed.

WARNING -> Parse error when trying to read the HDF5 restart file: Accessing the HDF5
   group 'RESULTS/CellsAll/Depth' failed..

#=========================
If i change to:

"HYDRAULICS": {
          "INITIAL": {
            "type": "continue",
            "file": ".../restart.h5"
            "restart_solution_time": -1
          },

I get this error:
WARNING -> Not all needed data could be found in restart file.

ERROR -> ERROR opening HDF5 file './\LHSG_restart.h5', error: Opening the HDF5
   file at './\LHSG_restart.h5' failed.
When I look at the result.h5 in hdf5 viewer it seems empty but I do get

#========================

When I look at the results.h5 file inside HDFviewer. di dictionary structure is like this:
results.h5
  .config
  Domain
    LHSG
      .config
      CellsAll
      NodesAll
      RESULTS
        CellsAll
          Depth
             0   - includes data from timestep 0.0 (no data)
             1   - includes data from timestep 4500.000....
          VelocityX
             0   - includes data from timestep 0.0 (no data)
             1   - includes data from timestep 4500.000....   
          VelocityY
             0   - includes data from timestep 0.0 (no data)
             1   - includes data from timestep 4500.000....

The restart file contains the this data as well.

Any ideas or suggestions on what I should try to do to get it running??

Best Regards// Mattias

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