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

Keywords of vegetation map and file in mdw (WAVE) file?

Gabriel Ruiz, modified 1 Year ago.

Keywords of vegetation map and file in mdw (WAVE) file?

Padawan Posts: 59 Join Date: 9/30/11 Recent Posts

Hi D3D users,

I have to do a wave propagation, taking into account the vegetation effect in the waves.

I read WAVE manual but I could not find the keywords that I should use in order to simulate the vegetation dissipation. Some of you have performed vegetation simulations that could answer the following doubts I have?

1) Which are the keywords, that I should use to tell to WAVE the name of vegetation map and vegetation file, in the mdw file?

2) Doing an analogy with the obstacle file, the vegetation file should have the parameters:

Vegetation Height

Vegetation Diameter

Vegetation Nstems

Vegetation Drag

In swan_input.f90, these parameters have their keywords, can I use the same keywords in the vegetation file? Or which is the syntax the vegetation file should have it?

 

Regards.

 

G.

WB
William Bennett, modified 1 Year ago.

RE: Keywords of vegetation map and file in mdw (WAVE) file?

Youngling Posts: 5 Join Date: 11/28/13 Recent Posts

Did you manage to find out how to put this in the mdw file?

Gabriel Ruiz, modified 1 Year ago.

RE: Keywords of vegetation map and file in mdw (WAVE) file?

Padawan Posts: 59 Join Date: 9/30/11 Recent Posts

Hi William,

 

I have not known, yet.

 

Gabriel.

TW
tyron woodley, modified 21 Days ago.

RE: Keywords of vegetation map and file in mdw (WAVE) file?

Youngling Posts: 9 Join Date: 3/14/20 Recent Posts
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