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: 
/web/delft3dfm/forum

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

=======================================================

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

 


Message Boards

delft 3D Wave(standalone) input computational error

AP
Andreas Papadimitriou, modified 2 Years ago.

delft 3D Wave(standalone) input computational error

Youngling Posts: 2 Join Date: 3/6/17 Recent Posts
Hello all,I am starting a calculation with Delft3D wave and get the following

Starting Delft3D-WAVE computation ...
--------------------------------------------------------------------------------
- Delft3D
- Deltares, Delft3D-WAVE Version 3.05.01.7112M, Mar 30 2017, 01:20:10
- Open source
-
--------------------------------------------------------------------------------
*** MESSAGE: Delft3D-WAVE runs stand alone
Done reading input
Initialising grids and grid mappings
Start loop over SWAN grids, time = 0.000
Allocate input fields
Allocate and read SWAN depth
Write SWAN depth file
Deallocate input fields
Write SWAN input
<<Run SWAN...
SWAN batchfile executed for Delft3D
Using swan.bat in directory C:\Program Files\Deltares\Delft3D 4.02.03\win64\swan\scripts\
Using C:\Program Files\Deltares\Delft3D 4.02.03\\win64\swan\bin\swan_4072ABCDE_del_w64_i11_omp.exe
Performing wave computation for: wave.swn
1 file(s) copied.

SWAN is preparing computation

Number of threads during execution of parallel region = 4

iteration 1; sweep 1
+iteration 1; sweep 2
+iteration 1; sweep 3
+iteration 1; sweep 4
accuracy OK in NaN % of wet grid points ( 98.00 % required)

iteration 2; sweep 1
+iteration 2; sweep 2
+iteration 2; sweep 3
+iteration 2; sweep 4
accuracy OK in NaN % of wet grid points ( 98.00 % required)

iteration 3; sweep 1
+iteration 3; sweep 2
+iteration 3; sweep 3
+iteration 3; sweep 4
accuracy OK in NaN % of wet grid points ( 98.00 % required)

iteration 4; sweep 1
+iteration 4; sweep 2
+iteration 4; sweep 3
+iteration 4; sweep 4
accuracy OK in NaN % of wet grid points ( 98.00 % required)

iteration 5; sweep 1
+iteration 5; sweep 2
+iteration 5; sweep 3
+iteration 5; sweep 4
accuracy OK in NaN % of wet grid points ( 98.00 % required)

iteration 6; sweep 1
+iteration 6; sweep 2
+iteration 6; sweep 3
+iteration 6; sweep 4
accuracy OK in NaN % of wet grid points ( 98.00 % required)

iteration 7; sweep 1
+iteration 7; sweep 2
+iteration 7; sweep 3
+iteration 7; sweep 4
accuracy OK in NaN % of wet grid points ( 98.00 % required)

iteration 8; sweep 1
+iteration 8; sweep 2
+iteration 8; sweep 3
+iteration 8; sweep 4
accuracy OK in NaN % of wet grid points ( 98.00 % required)

iteration 9; sweep 1
+iteration 9; sweep 2
+iteration 9; sweep 3
+iteration 9; sweep 4
accuracy OK in NaN % of wet grid points ( 98.00 % required)

iteration 10; sweep 1
+iteration 10; sweep 2
+iteration 10; sweep 3
+iteration 10; sweep 4
accuracy OK in NaN % of wet grid points ( 98.00 % required)

iteration 11; sweep 1
+iteration 11; sweep 2
+iteration 11; sweep 3
+iteration 11; sweep 4
accuracy OK in NaN % of wet grid points ( 98.00 % required)

iteration 12; sweep 1
+iteration 12; sweep 2
+iteration 12; sweep 3
+iteration 12; sweep 4
accuracy OK in NaN % of wet grid points ( 98.00 % required)

iteration 13; sweep 1
+iteration 13; sweep 2
+iteration 13; sweep 3
+iteration 13; sweep 4
accuracy OK in NaN % of wet grid points ( 98.00 % required)

iteration 14; sweep 1
+iteration 14; sweep 2
+iteration 14; sweep 3
+iteration 14; sweep 4
accuracy OK in NaN % of wet grid points ( 98.00 % required)

iteration 15; sweep 1
+iteration 15; sweep 2
+iteration 15; sweep 3
+iteration 15; sweep 4
accuracy OK in NaN % of wet grid points ( 98.00 % required)

+SWAN is processing output request 1
+SWAN is processing output request 2
1 file(s) copied.

C:\Users\andreas\Desktop\new>rem exit
>>...End of SWAN run
Allocate output fields
Read SWAN output
Start loop over SWAN grids, time = 2880.000
Allocate input fields
Allocate and read SWAN depth
Write SWAN depth file
Deallocate input fields
Write SWAN input
<<Run SWAN...
SWAN batchfile executed for Delft3D
Using swan.bat in directory C:\Program Files\Deltares\Delft3D 4.02.03\win64\swan\scripts\
Using C:\Program Files\Deltares\Delft3D 4.02.03\\win64\swan\bin\swan_4072ABCDE_del_w64_i11_omp.exe
Performing wave computation for: wave.swn
1 file(s) copied.

SWAN is preparing computation

Number of threads during execution of parallel region = 4

iteration 1; sweep 1
+iteration 1; sweep 2
+iteration 1; sweep 3
+iteration 1; sweep 4
accuracy OK in NaN % of wet grid points ( 98.00 % required)

iteration 2; sweep 1
+iteration 2; sweep 2
+iteration 2; sweep 3
+iteration 2; sweep 4
accuracy OK in NaN % of wet grid points ( 98.00 % required)

iteration 3; sweep 1
+iteration 3; sweep 2
+iteration 3; sweep 3
+iteration 3; sweep 4
accuracy OK in NaN % of wet grid points ( 98.00 % required)

iteration 4; sweep 1
+iteration 4; sweep 2
+iteration 4; sweep 3
+iteration 4; sweep 4
accuracy OK in NaN % of wet grid points ( 98.00 % required)

iteration 5; sweep 1
+iteration 5; sweep 2
+iteration 5; sweep 3
+iteration 5; sweep 4
accuracy OK in NaN % of wet grid points ( 98.00 % required)

iteration 6; sweep 1
+iteration 6; sweep 2
+iteration 6; sweep 3
+iteration 6; sweep 4
accuracy OK in NaN % of wet grid points ( 98.00 % required)

iteration 7; sweep 1
+iteration 7; sweep 2
+iteration 7; sweep 3
+iteration 7; sweep 4
accuracy OK in NaN % of wet grid points ( 98.00 % required)

iteration 8; sweep 1
+iteration 8; sweep 2
+iteration 8; sweep 3
+iteration 8; sweep 4
accuracy OK in NaN % of wet grid points ( 98.00 % required)

iteration 9; sweep 1
+iteration 9; sweep 2
+iteration 9; sweep 3
+iteration 9; sweep 4
accuracy OK in NaN % of wet grid points ( 98.00 % required)

iteration 10; sweep 1
+iteration 10; sweep 2
+iteration 10; sweep 3
+iteration 10; sweep 4
accuracy OK in NaN % of wet grid points ( 98.00 % required)

iteration 11; sweep 1
+iteration 11; sweep 2
+iteration 11; sweep 3
+iteration 11; sweep 4
accuracy OK in NaN % of wet grid points ( 98.00 % required)

iteration 12; sweep 1
+iteration 12; sweep 2
+iteration 12; sweep 3
+iteration 12; sweep 4
accuracy OK in NaN % of wet grid points ( 98.00 % required)

iteration 13; sweep 1
+iteration 13; sweep 2
+iteration 13; sweep 3
+iteration 13; sweep 4
accuracy OK in NaN % of wet grid points ( 98.00 % required)

iteration 14; sweep 1
+iteration 14; sweep 2
+iteration 14; sweep 3
+iteration 14; sweep 4
accuracy OK in NaN % of wet grid points ( 98.00 % required)

iteration 15; sweep 1
+iteration 15; sweep 2
+iteration 15; sweep 3
+iteration 15; sweep 4
accuracy OK in NaN % of wet grid points ( 98.00 % required)

+SWAN is processing output request 1
+SWAN is processing output request 2
1 file(s) copied.

C:\Users\andreas\Desktop\new>rem exit
>>...End of SWAN run
Allocate output fields
Read SWAN output
Delft3D-WAVE finished normally.

When examining the output with quickplot it is like I didn't set any waves as input.I guess the problem lies with NaN% of wet grid points.
I am an amateur with the program and would apreciate any answer.
Thank you in advance!
Adri Mourits, modified 2 Years ago.

RE: delft 3D Wave(standalone) input computational error

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

SWAN produces ascii files named "PRINT", "Errfile". Delft3D-WAVE copies "PRINT" to file "swn-diag.<runid>". Any of these files should contain more info about what goes wrong.

More SWAN info can be found at the TU Delft site.

Regards,

Adri
AP
Andreas Papadimitriou, modified 2 Years ago.

RE: delft 3D Wave(standalone) input computational error

Youngling Posts: 2 Join Date: 3/6/17 Recent Posts
Thank you very much Adri for the reply.I am attaching the diag file in hope that you can examine it more closely.
Kind regards
Adri Mourits, modified 2 Years ago.

RE: delft 3D Wave(standalone) input computational error

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

This is not good: accuracy OK in NaN % of wet grid points

You need a SWAN expert. Please contact the SWAN community.

Regards,

Adri