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TOPIC: WIND DATA

WIND DATA 5 years 5 months ago #33659

  • chandarrou
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Hi ,

I am trying to input wind data and air temperature and surface pressure given by the ECMWF database but i am stilling enable to do , i saw all posts which are linked to that but no good results , now please i need answers for my following questions as soon as possible :

1. following the wind-xy example we will not need to modify in meteo.f if it is a file of wind data in slf format ( BINARY ATMOSPHERIC DATA FILE) u can see the case file (t2d_wind_txy_bin.cas). AM I RIGHT?
2.could i have a file where i get only wind data from convertECWEF.py without the other parameters of (SURFACE PRESSURE AND AIR TEMPERATURE ) and how can i do it?

Please I really need ur answers as soon as possible , because i spend a lot of time in order to solve this problem.

Many thanks
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WIND DATA 5 years 5 months ago #33660

  • chandarrou
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Hello again ,

Do u have an example of 3d case file in which it reads a selafin file of wind data and air pressure ?
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WIND DATA 5 years 5 months ago #33661

  • aleroy
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Hi,

The way this feature works is the same in 2D and 3D. The only available example includes wind only, and it is wind_txy.
I suggest that you search for the forum posts that are related to 2D simulations with space-time varying meteo, you should find some help there.

Cheers,
Agnès
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WIND DATA 5 years 5 months ago #33662

  • chandarrou
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many thanks for ur answer,

but what about my other questions ?
could u suggest on me some interesting posts because i didn't find something good for my case.

Regards
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WIND DATA 5 years 5 months ago #33663

  • aleroy
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I don't know how to not include the surface pressure and air temperature, but it's not really a problem if you have them in the file. You can always redefine what your ECMWF variable names are in the fortran file sources/telemac2d/meteo_set_var_names.f

I hope this helps.
Agnès
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WIND DATA 5 years 5 months ago #33664

  • chandarrou
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Thanks,

but I remarked that in the wind-xy example u didn't use any fortran file for reading the slf wind data ?
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WIND DATA 5 years 5 months ago #33665

  • chandarrou
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i tried to change the sources/telemac2d/meteo_set_var_names.f and
sources/telemac2d/meteo-from-binary-file.f but it dosnoet work!
Thread model: win32
gcc version 4.8.0 (rubenvb-4.8.0)
runCAS: failed to compile
|processExecutable: could not link your executable (runcode=1).
|
|... The following command failed for the reason above (or below)
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WIND DATA 5 years 5 months ago #33666

  • Sokolov
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Please pay attention, that there are inconsistencies in names of atm. pressure.

Both python scripts convertECMWF.py (line 662) and convertToATM.py (line 126) write atm pressure as SURFACE PRESSURE while telemac2d/meteo_set_var_names.f (line 39) expects PRESSURE. (Line numbers for v8p0r2)

Best,

Alexander
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