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: 

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





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


Message Boards

Problems to compile delft3d - Revision 6567: /branches/research/Deltares/20

Rodrigo Carballo, modified 3 Years ago.

Problems to compile delft3d - Revision 6567: /branches/research/Deltares/20

Youngling Posts: 19 Join Date: 5/27/11 Recent Posts
Hi everybody:

I'm trying to compile in linux the delft3d - Revision 6567: /branches/research/Deltares/20130808_tidal_turbines, which is a research branch developed by where the source code has been modified to model the operation of a tidal turbine.

I tried to compile the code as usual (like the tag version) but when I start the compilatation ("after typing make") I get the following error:

collect2: error: ld returned 1 exit status
Makefile:592: recipe for target 'delwaq2' failed
make[6]: *** [delwaq2] Error 1
make[6]: Leaving directory '/home/jvramos/Delft3DTSTs/src/engines_gpl/waq/packages/delwaq2/src'
Makefile:476: recipe for target 'all-recursive' failed
make[5]: *** [all-recursive] Error 1
make[5]: Leaving directory '/home/jvramos/Delft3DTSTs/src/engines_gpl/waq/packages/delwaq2'
Makefile:487: recipe for target 'all-recursive' failed
make[4]: *** [all-recursive] Error 1
make[4]: Leaving directory '/home/jvramos/Delft3DTSTs/src/engines_gpl/waq/packages'
Makefile:476: recipe for target 'all-recursive' failed
make[3]: *** [all-recursive] Error 1
make[3]: Leaving directory '/home/jvramos/Delft3DTSTs/src/engines_gpl/waq'
Makefile:479: recipe for target 'all-recursive' failed
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory '/home/jvramos/Delft3DTSTs/src/engines_gpl'
Makefile:536: recipe for target 'all-recursive' failed
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory '/home/jvramos/Delft3DTSTs/src'
Makefile:467: recipe for target 'all' failed
make: *** [all] Error 2

I would really appreciate some help!

Kind regards
Adri Mourits, modified 3 Years ago.

RE: Problems to compile delft3d - Revision 6567: /branches/research/Deltare (Answer)

Yoda Posts: 1224 Join Date: 1/3/11 Recent Posts
Hi Rodrigo,

Please do not use "" but use "" instead.

I removed the 2013 branch a minute ago.