WhatIs: The traceur.def input file - Historique des versions

Abarral : Move deprecation warning to top & improve formatting

2024-07-16T16:45:22Z

Move deprecation warning to top & improve formatting

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2023-01-03T08:08:04Z

Emillour le 3 janvier 2023 à 07:24

2023-01-03T07:24:58Z

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2021-01-23T19:37:22Z

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== The traceur.def input file tells LMDZ about the tracers to advect ==

The traceur.def is a plain text file that is read at run time by LMDZ. Its format is quite strict:

* The first line contains the number n of tracers to advect in the dynamics
* The n following lines contain the following set ( two integer numbers and a string): hadv , vadv, tname . hadv and vadv are traceur advection scheme numbers and tname is the tracer name

'''Tracer advection schemes'''

A few are coded, but not for the parallel case, so we only present the important (i.e. operational) ones here:

* 0 : no advection. This tracer will not be advected by the dynamics
* 10: advection using a Van Leer scheme. This is the standard advection scheme to use for tracers.
* 14: a specific advection scheme for the water vapor tracer (i.e. "H2Ov")

'''Illustrative example'''

In practice a "traceur.def" file will look like this:

4
14 14 H2Ov
10 10 H2Ol
10 10 H2Oi
00 00 Aga

In this example, there are 4 tracers, the first one is "H2Ov" (water vapor) and advected using scheme number 14, the second and third are "H2Ol" (liquid water) and "H2Oi" (water ice), and the last is called "Aga" and completely passive (i.e. untouched by the dynamics).

13/05/2020

[[Category:WhatIs]]

@@ Ligne 32 : / Ligne 32 : @@
 == The tracer.def input file ==
-Note that the use of a '''traceur.def''' file as described above is now depreciated (but should still work fine as the code is retro-compatible) and that it is recommended to now use a '''tracer.def''' as described here.
+Note that the use of a '''traceur.def''' file as described above is now depreciated (but should still work fine as the code is retro-compatible) and that it is recommended to now use a '''tracer.def''' as described [[WhatIs: The tracer.def input file|here]].
 /01/2023
 [[Category:WhatIs]]

@@ Ligne 1 : / Ligne 1 : @@
 == The traceur.def input file tells LMDZ about the tracers to advect ==
@@ Ligne 29 : / Ligne 31 : @@
 In this example, there are 4 tracers, the first one is "H2Ov" (water vapor) and advected using scheme number 14, the second and third are "H2Ol" (liquid water) and "H2Oi" (water ice), and the last is called "Aga" and completely passive (i.e. untouched by the dynamics).
 [[Category:WhatIs]]