/[MITgcm]/MITgcm/pkg/generic_advdiff/GAD_OPTIONS.h
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revision 1.5 by edhill, Thu Oct 9 04:19:19 2003 UTC revision 1.6 by mlosch, Tue Apr 4 14:12:19 2006 UTC
# Line 22  C Use this file for selecting options wi Line 22  C Use this file for selecting options wi
22    
23  #include "CPP_OPTIONS.h"  #include "CPP_OPTIONS.h"
24    
25  C The selects the form of COSINE(lat) scaling of bi-harmonic term.  C This flag selects the form of COSINE(lat) scaling of bi-harmonic term.
26  C *only for use on a lat-lon grid*  C *only for use on a lat-lon grid*
27    C Setting this flag here only affects the bi-harmonic tracer terms; to
28    C use COSINEMETH_III in the momentum equations set it CPP_OPTIONS.h
29  #define COSINEMETH_III  #define COSINEMETH_III
30    
31  C The selects isotropic scaling of bi-harmonic term when  C This selects isotropic scaling of harmonic and bi-harmonic term when
32  C using the COSINE(lat) scaling.  C using the COSINE(lat) scaling.
33  #undef  ISOTROPIC_COS_SCALING  C Setting this flag here only affects the tracer diffusion terms; to
34    C use ISOTROPIC_COS_SCALING of the horizontal viscosity terms in the
35    C momentum equations set it CPP_OPTIONS.h; the following line
36    C even overrides setting the flag in CPP_OPTIONS.h
37    #undef ISOTROPIC_COS_SCALING
38    
39  C As of checkpoint41, the inclusion of multi-dimensional advection  C As of checkpoint41, the inclusion of multi-dimensional advection
40  C introduces excessive recomputation/storage for the adjoint.  C introduces excessive recomputation/storage for the adjoint.
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