refinement factor (rr_fac): introduce option to turn off/on internal manipulation of rr_fac

NCAR / Topo

NCAR Global Model Topography Generation Software for Unstructured Grids

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Closed PeterHjortLauritzen closed 2 years ago

PeterHjortLauritzen commented 2 years ago

Code for manipulating rr_fac is tailored for SE. MPAS does not need extra smoothing of rr_fac.

Hence make manipulations optional.

PeterHjortLauritzen commented 2 years ago

Done. If rrfac_max=0 then there is no manipulation of rrfac

PeterHjortLauritzen commented 2 years ago

I forgot that rrfac_max is necessary for computing a stable time-step for the Laplacian smoother ...

PeterHjortLauritzen commented 2 years ago

introduced namelist rrfac_manipulation for turning on the manipulation of rrfac ...