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

Microsoft Visual Studio Express?

Drew Ackerman, modified 7 Years ago.

Microsoft Visual Studio Express?

Youngling Posts: 6 Join Date: 4/5/12 Recent Posts
Can compilation of the code be done using Microsoft Visual Studio Express? I have version 2012 installed and it doesn't work and I'm about to try 2010 but wanted to make sure the "Express" version would work with it.

Adri Mourits, modified 7 Years ago.

RE: Microsoft Visual Studio Express?

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

I never tried with the Express version, but expect it to work fine.

I tried once with VisualStudio 2012 and that worked fine too. What error message do you get? Have you installed a Fortran compiler? Did you use a solution that suits the fortran compiler?