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TOPIC: COEFFICIENT OF WIND INFLUENCE error

COEFFICIENT OF WIND INFLUENCE error 6 years 6 months ago #30094

  • majed9
  • majed9's Avatar
Hello,

I am trying to model a extreme wind condition with velocity of 20.8m/s.
According the telemac manual the COEFFICIENT OF WIND INFLUENCE should be 2.51E-3.
But telemac gives me this error :

MODULE STREAMLINE, SUBROUTINE SCARACT
TOO MANY LOST TRACEBACKS IN 1 PROCESSORS

PLANTE: PROGRAM STOPPED AFTER AN ERROR
RETURNING EXIT CODE: 2
Primary job terminated normally, but 1 process returned
a non-zero exit code.. Per user-direction, the job has been aborted.

mpiexec detected that one or more processes exited with non-zero status, thus causing
the job to be terminated. The first process to do so was:

Process name: [[21941,1],0]
Exit code: 1
_____________
runcode::main:
:
|runCode: Fail to run
|/usr/bin/mpiexec -wdir /projekte/majed/Open-wind/Extreme/cas.txt_2018-05-15-16h14min31s -n 10 /projekte/majed/Open-wind/Extreme/cas.txt_2018-05-15-16h14min31s/out_telemac2d
|~~~~~~~~~~~~~~~~~~
|STOP 1
|STOP 1
|STOP 1
|STOP 1
|STOP 1
|STOP 1
|STOP 1
|STOP 1
|STOP 1
|STOP 1
|~~~~~~~~~~~~~~~~~~

Attached are the cas, conlim and geo files.

File Attachment:

File Name: cas_2018-05-15-3.txt
File Size: 3 KB


File Attachment:

File Name: conlim_2018-05-15-3.cli
File Size: 11 KB


File Attachment:

File Name: geo.slf
File Size: 54 KB



Thanks.
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COEFFICIENT OF WIND INFLUENCE error 6 years 6 months ago #30122

  • Leballeur
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  • openTELEMAC Guru
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Hi,

First, the telemac user manual clearly states that the COEFFICIENT OF WIND INFLUENCE asked by telemac2d is not awind but awind*rhoair/rho. So you might change its value to 3.0157e-6. This parametric value should be adjusted by comparison with measurements (if available).

Second, your time step is really too high, you must reduce it to about 5s to ensure a convergence of the solver and a Courant number lower than 1.

Regards,
Laurent
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