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

make can't find netcdff lib

Mark Stacey, modified 5 Years ago.

make can't find netcdff lib

Youngling Posts: 1 Join Date: 2/17/13 Recent Posts
I'm installing Delft3d on a 32-bit linux machine (might be a losing battle) - but I feel like I'm getting close. make is breaking now when looking for '-lnetcdff' - but it's looking in /usr/bin/ld (a directory that doesn't exist) and libnetcdff is in /usr/lib. How do I get make to look in the right place?
Adri Mourits, modified 5 Years ago.

RE: make can't find netcdff lib (Answer)

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

It would be great if you get it not only compiled but also working on a 32-bit Linux system. Please post your findings here on the forum.

Did you define NETCDFROOT? See this post.


Garrett Kannon, modified 5 Months ago.

RE: make can't find netcdff lib

Youngling Posts: 5 Join Date: 5/23/20 Recent Posts
I had this question in my mind, as well, and I am glad that it has been answered here. I want to know if there are any answers for reviews that you have not shared with us yet. It would be great to know the answer.
Beita man, modified 4 Months ago.

RE: make can't find netcdff lib

Youngling Posts: 1 Join Date: 6/30/20 Recent Posts
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