Changeset 11777 for NEMO/branches/2019/dev_r10721_KERNEL-02_Storkey_Coward_IMMERSE_first_steps/cfgs/AGRIF_DEMO/README.rst
- Timestamp:
- 2019-10-23T17:49:24+02:00 (5 years ago)
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NEMO/branches/2019/dev_r10721_KERNEL-02_Storkey_Coward_IMMERSE_first_steps/cfgs/AGRIF_DEMO/README.rst
r10460 r11777 2 2 Embedded zooms 3 3 ************** 4 5 .. todo:: 6 7 4 8 5 9 .. contents:: … … 20 24 =========== 21 25 22 Activating AGRIF requires to append the cpp key ``key_agrif`` at compilation time: 26 Activating AGRIF requires to append the cpp key ``key_agrif`` at compilation time: 23 27 24 28 .. code-block:: sh … … 54 58 depends on the number of ghost cells as illustrated by the (attempted) drawing below for nbghostcells=1 and 55 59 nbghostcells=3. 56 The grid refinement is 3 and nxfin is the number of child grid points in i-direction. 60 The grid refinement is 3 and nxfin is the number of child grid points in i-direction. 57 61 58 62 .. image:: _static/agrif_grid_position.jpg … … 62 66 boundary data exchange and update being only performed between root and child grids. 63 67 Use of east-west periodic or north-fold boundary conditions is not allowed in child grids either. 64 Defining for instance a circumpolar zoom in a global model is therefore not possible. 68 Defining for instance a circumpolar zoom in a global model is therefore not possible. 65 69 66 70 Preprocessing … … 92 96 rn_sponge_dyn = 2880. ! coefficient for dynamics sponge layer [m2/s] 93 97 ln_chk_bathy = .false. ! =T check the parent bathymetry 94 / 98 / 95 99 96 100 where sponge layer coefficients have to be chosen according to the child grid mesh size. 97 101 The sponge area is hard coded in NEMO and applies on the following grid points: 98 2 x refinement factor (from i=1+nbghostcells+1 to i=1+nbghostcells+sponge_area) 102 2 x refinement factor (from i=1+nbghostcells+1 to i=1+nbghostcells+sponge_area) 99 103 100 References 101 ========== 104 .. rubric:: References 102 105 103 106 .. bibliography:: zooms.bib 104 105 106 107 107 :all: 108 :style: unsrt 109 :labelprefix: A 110 :keyprefix: a-
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