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! 

 

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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.

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** PLEASE TAG YOUR POST! **

 

 

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

 


Message Boards

processor load

JM
Julio Mesa, modified 6 Years ago.

processor load

Youngling Posts: 13 Join Date: 8/26/13 Recent Posts
Hi,

Now, I am running a model of a bay. but I can see that the delft3D only uses a 13% of the processor . ¿How i can raise this percentage? or this value is normal to the simulations?

Regards
Mihael Souza, modified 6 Years ago.

RE: processor load

Padawan Posts: 65 Join Date: 10/11/12 Recent Posts
Hi Julio,

This is probably due to your computer having multiple cores.
There is the possibility to run Delft3D in parallel through MPI, with some minor configurations.
Due take notice that, in order to run the model in parallel, you will have to use a .bat file to start the run, instead of the GUI. For an example of the .bat file, see example 1 in your Delft3D source code folder.

I've attached a .txt file a friend made explaining how to configure the model to run in parallel. Hope it helps.

Regards,

Mihael Souza.
JM
Julio Mesa, modified 6 Years ago.

RE: processor load

Youngling Posts: 13 Join Date: 8/26/13 Recent Posts
Hi Mihael,

thank you so much, your advise works perfectly.

Regards