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TOPIC: Boundary conditions file error
Boundary conditions file error 6 years 9 months ago #28933
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Dear forum:
I am running a simulation of a river, including flood plains in TELEMAC2D. The mesh and the BC file (.cli) were generated in Blue Kenue from scratch. When trying to run the simulation I get the following error: |Here is the log:
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| +-------------------------------------------------+
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| PARTEL/PARRES: TELEMAC METISOLOGIC PARTITIONER
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| REBEKKA KOPMANN & JACEK A. JANKOWSKI (BAW)
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| JEAN-MICHEL HERVOUET (LNHE)
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| CHRISTOPHE DENIS (SINETICS)
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| YOANN AUDOUIN (LNHE)
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| PARTEL (C) COPYRIGHT 2000-2002
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| BUNDESANSTALT FUER WASSERBAU, KARLSRUHE
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| METIS 5.0.2 (C) COPYRIGHT 2012
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| REGENTS OF THE UNIVERSITY OF MINNESOTA
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| BIEF V7P2R0 (C) COPYRIGHT 2012 EDF
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| +-------------------------------------------------+
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| MAXIMUM NUMBER OF PARTITIONS: 100000
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| +--------------------------------------------------+
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| --INPUT FILE NAME <INPUT_NAME>:
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| INPUT: T2DGEO
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| --INPUT FILE FORMAT <INPFORMAT> [MED,SERAFIN,SERAFIND]:
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| INPUT: SERAFIN
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| --BOUNDARY CONDITIONS FILE NAME:
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| INPUT: T2DCLI
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|--NUMBER OF PARTITIONS <NPARTS> [2 -100000]:
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| INPUT: 10
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| PARTITIONING METHOD <PMETHOD> [1 (METIS) OR 2 (SCOTCH)]:
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| --INPUT: 1
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| --CONTROL SECTIONS FILE NAME (OR RETURN) :
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| NO SECTIONS
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| --CONTROL ZONES FILE NAME (OR RETURN) :
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| NO ZONES
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| --WEIR FILE NAME (OR RETURN) :
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| NO WEIRS
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| --GEOMETRY FILE NAME <INPUT_NAME>:
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| INPUT: T2DGEO
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| --GEOMETRY FILE FORMAT <GEOFORMAT> [MED,SERAFIN,SERAFIND]:
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| INPUT: SERAFIN
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| +---- PARTEL: BEGINNING -------------+
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| - FILE T2DGEO OF TYPE BIG_ENDIAN
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| - FILE T2DGEO IS SINGLE PRECISION
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| nptfr 4436
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| READ_MESH_INFO: TITLE= MALLA_SG_CDELUY_PI_06_01
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| NUMBER OF ELEMENTS: 91938
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| NUMBER OF POINTS: 48186
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| FORMAT NOT INDICATED IN TITLE
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| ONE-LEVEL MESH.
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| NDP NODES PER ELEMENT: 3
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| ELEMENT TYPE : 10
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| NPOIN NUMBER OF MESH NODES: 48186
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| NELEM NUMBER OF MESH ELEMENTS: 91938
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| THE INPUT FILE ASSUMED TO BE 2D
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| THERE ARE 1 TIME-DEPENDENT RECORDINGS
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| ELEBD: ERROR AT POINT: 4
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| THE BOUNDARY POINT: 1665
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| DOES NOT BELONG TO ELEMENT : 0
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| POSSIBLE REASONS:
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| THE BOUNDARY CONDITION FILE IS NOT
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| RELEVANT TO THE GEOMETRY FILE
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| OR THE MESH HAS A WRONG TOPOLOGY
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| PLANTE: PROGRAM STOPPED AFTER AN ERROR
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| RETURNING EXIT CODE: 2I tried generating the file again from the mesh I am using, recopying both files to the simulation folder and nothing. I changed the initial elevation to higher and higher values also to no avail. Any clue on what this could be? Thanks! Rodrigo
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Boundary conditions file error 6 years 9 months ago #28934
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Hello Rodrigo,
Your boundary conditions file is not ok. On open boundaries you have to set the tracer code (eight column into the .cli file) either as 4 (open boundary with free tracer) in case that it (the boundary) doesn't have any tracer or as 5 (open boundary with prescribed tracer) in case that it has any tracer. In your boundary conditions file you leave it as it is by default: 2, which means it is a closed boundary. I think that's the problem, so, try with the boundary conditions file attached. I hope this helps. Cheers, José Andrés.
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Boundary conditions file error 6 years 9 months ago #28936
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Hello,
Before running your configuration in parallel mode, try first in sequential, it's always easier to investigate  Your boundary file is not right, but maybe not because of tracer code. As shown by the pictures below, I found at least 2 mistakes : - the node 24728 should not be in the boundary file - the node 23752 should be on the contrary   I didn't look at the whole boundary points, but you have to check it. You can also add in your steering file "CHECKING THE MESH = YES". You'll see that you have several boundary points with only 2 neighbours and 78 over-constrained triangles. It can work but it's not recommended. Regards, Laurent |
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