intro story D-Flow FM

 

D-Flow Flexible Mesh

D-Flow Flexible Mesh (D-Flow FM) is the new software engine for hydrodynamical simulations on unstructured grids in 1D-2D-3D. Together with the familiar curvilinear meshes from Delft3D 4, the unstructured grid can consist of triangles, pentagons (etc.) and 1D channel networks, all in one single mesh. It combines proven technology from the hydrodynamic engines of Delft3D 4 and SOBEK 2 and adds flexible administration, resulting in:

  • Easier 1D-2D-3D model coupling, intuitive setup of boundary conditions and meteorological forcings (amongst others).
  • More flexible 2D gridding in delta regions, river junctions, harbours, intertidal flats and more.
  • High performance by smart use of multicore architectures, and grid computing clusters.
An overview of the current developments can be found here.
 
The D-Flow FM - team would be delighted if you would participate in discussions on the generation of meshes, the specification of boundary conditions, the running of computations, and all kinds of other relevant topics. Feel free to share your smart questions and/or brilliant solutions! 

 

=======================================================
We have launched a new website (still under construction so expect continuous improvements) and a new forum dedicated to Delft3D Flexible Mesh.

Please follow this link to the new forum: 
/web/delft3dfm/forum

Post your questions, issues, suggestions, difficulties related to our Delft3D Flexible Mesh Suite on the new forum.

=======================================================

** PLEASE TAG YOUR POST! **

 

 

Sub groups
D-Flow Flexible Mesh
DELWAQ
Cohesive sediments & muddy systems

 


Message Boards

Flow exited abnormally

JG
João Gil, modified 8 Years ago.

Flow exited abnormally

Padawan Posts: 29 Join Date: 10/24/12 Recent Posts
Hi everyone,

when i try to run the bornrif "Online-WAVE coupling" tutorial, the follow error occurs:

------------------------------------------------------------------------------------------------------------------

Simultaneous FLOW and WAVE computation
Starting simultaneous FLOW and WAVE computation ...

child killed: unknown signal Starting Delft3D-FLOW computation ...
Executing "C:/Delft3D/w32/flow/bin/d_hydro.exe TMP_config_flow2d3d_7840.xml" ...
--------------------------------------------------------------------------------
Deltares, FLOW2D3D Version 5.00.09.1937, Nov 4 2012, 13:27:22
flow2d3d.dll entry Flow2D3D::Run
--------------------------------------------------------------------------------

Part I - Initialisation Time Dep. Data module...
runid : rif
ABORT: error returned by tdatmain
Flow exited abnormally


ERROR: child process exited abnormally
- Starting "d_hydro.exe" may give more information:
- Run "deltares_hydro.exe <INI-inputfile> -keepXML".
- Run "d_hydro.exe TMP_config_flow2d3d_<processId>.xml".

Could someone help me sorting this out?

Thanks,

João Gil
Adri Mourits, modified 8 Years ago.

RE: Flow exited abnormally

Yoda Posts: 1221 Join Date: 1/3/11 Recent Posts
Hi João Gil,

Do you run into this error with the example FLOW-WAVE calculation (examples/03_flow-wave) or with your own testcase?

"ABORT: error returned by tdatmain" indicates that something went wrong during initialization. I expect that a file with the name "td-diag.<runid>" has appeared in the working directory containing information about what goes wrong. When something goes wrong during the calculation itself, a message will be written to a file named "tri-diag.<runid>". Does this information help you to solve the problem?

Regards,

Adri
JG
João Gil, modified 8 Years ago.

RE: Flow exited abnormally

Padawan Posts: 29 Join Date: 10/24/12 Recent Posts
Dear Andry,

As you know I have been succefully running this 'WAVE manual' tutorial.
I will now write a brief summary about what we have been discussing via email so that this post may be closed.
I thought that the initialisation error might have occurred due to a wrong date value in data group "Time frame" (page 98 of WAVE manual).
In a second attempt I have replaced the 'simulation stop time: 01 02 1996 00 00 00" with "02 0101996 01 00 00", consistant with the "Stop time: 02 01 1996 01 00 00" present in figure 6.32 ( page 100). Afterwards the simulation ran with no errors thus obtaining the expected results.
As I am not totaly sure about what I am saying you might want to give a final word about this issue.

I appreciate your concern.
Best regards,
João Gil
Adri Mourits, modified 8 Years ago.

RE: Flow exited abnormally

Yoda Posts: 1221 Join Date: 1/3/11 Recent Posts
Hi João Gil,

The format is [ dd mm yyyy hh mm ss ]. This is added in the (next to be released version of the) manual.

Thanks for reporting this.

Regards,

Adri