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adcroft |
1.8 |
C $Header: /u/gcmpack/MITgcm/pkg/generic_advdiff/GAD_OPTIONS.h,v 1.7 2007/01/16 04:38:34 jmc Exp $ |
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adcroft |
1.2 |
C $Name: $ |
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CBOP |
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C !ROUTINE: GAD_OPTIONS.h |
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C !INTERFACE: |
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C #include "GAD_OPTIONS.h" |
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C !DESCRIPTION: |
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C Contains CPP macros/flags for controlling optional features of package. |
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CEOP |
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adcroft |
1.1 |
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C CPP options file for GAD (Generic Advection Diffusion) package |
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C |
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C Use this file for selecting options within the GAD package |
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edhill |
1.5 |
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#ifndef GAD_OPTIONS_H |
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#define GAD_OPTIONS_H |
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#include "PACKAGES_CONFIG.h" |
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jmc |
1.7 |
#ifdef ALLOW_GENERIC_ADVDIFF |
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adcroft |
1.1 |
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#include "CPP_OPTIONS.h" |
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mlosch |
1.6 |
C This flag selects the form of COSINE(lat) scaling of bi-harmonic term. |
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adcroft |
1.1 |
C *only for use on a lat-lon grid* |
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mlosch |
1.6 |
C Setting this flag here only affects the bi-harmonic tracer terms; to |
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C use COSINEMETH_III in the momentum equations set it CPP_OPTIONS.h |
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adcroft |
1.1 |
#define COSINEMETH_III |
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mlosch |
1.6 |
C This selects isotropic scaling of harmonic and bi-harmonic term when |
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adcroft |
1.1 |
C using the COSINE(lat) scaling. |
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mlosch |
1.6 |
C Setting this flag here only affects the tracer diffusion terms; to |
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C use ISOTROPIC_COS_SCALING of the horizontal viscosity terms in the |
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C momentum equations set it CPP_OPTIONS.h; the following line |
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C even overrides setting the flag in CPP_OPTIONS.h |
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#undef ISOTROPIC_COS_SCALING |
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adcroft |
1.1 |
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adcroft |
1.3 |
C As of checkpoint41, the inclusion of multi-dimensional advection |
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C introduces excessive recomputation/storage for the adjoint. |
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adcroft |
1.4 |
C We can disable it here using CPP because run-time flags are insufficient. |
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jmc |
1.7 |
#undef DISABLE_MULTIDIM_ADVECTION |
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C This enable the use of 2nd-Order Moment advection scheme (Prather, 1986) |
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C due to large memory space (10 times more / tracer) requirement, |
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C by default, this part of the code is not compiled. |
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jmc |
1.9 |
#undef GAD_ALLOW_SOM_ADVECT |
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adcroft |
1.3 |
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#else |
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C If GAD is disabled then so is multi-dimensional advection |
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#define DISABLE_MULTIDIM_ADVECTION |
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jmc |
1.7 |
#endif /* ALLOW_GENERIC_ADVDIFF */ |
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edhill |
1.5 |
#endif /* GAD_OPTIONS_H */ |
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