/[MITgcm]/MITgcm_contrib/dgoldberg/streamice/STREAMICE.h
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Annotation of /MITgcm_contrib/dgoldberg/streamice/STREAMICE.h

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Revision 1.7 - (hide annotations) (download)
Tue Sep 18 17:06:48 2012 UTC (12 years, 10 months ago) by dgoldberg
Branch: MAIN
Changes since 1.6: +54 -4 lines
File MIME type: text/plain
changes for periodic boundary conds and hybrid stress balance

1 heimbach 1.1 C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|
2    
3     #ifdef ALLOW_STREAMICE
4    
5     C -------------------------- REAL PARAMS ---------------------------------------------------
6    
7     COMMON /STREAMICE_PARMS_R/
8     & streamice_density, streamice_density_ocean_avg,
9     & A_glen_isothermal, n_glen, eps_glen_min,
10     & C_basal_fric_const, n_basal_friction, streamice_input_flux_unif,
11     & streamice_vel_update, streamice_cg_tol, streamice_nonlin_tol,
12 dgoldberg 1.5 & streamice_nonlin_tol_fp,
13 dgoldberg 1.7 & streamice_CFL_factor, streamice_adjDump,
14     & streamice_bg_surf_slope_x, streamice_bg_surf_slope_y,
15     & streamice_kx_b_init, streamice_ky_b_init
16 heimbach 1.1 _RL streamice_density, streamice_density_ocean_avg
17     _RL A_glen_isothermal, n_glen, eps_glen_min
18     _RL C_basal_fric_const
19     _RL n_basal_friction
20     _RL streamice_input_flux_unif
21     _RL streamice_vel_update
22     _RL streamice_cg_tol, streamice_nonlin_tol
23 dgoldberg 1.5 _RL streamice_nonlin_tol_fp
24 heimbach 1.1 _RL streamice_CFL_factor
25 heimbach 1.4 _RL streamice_adjDump
26 dgoldberg 1.7 _RL streamice_bg_surf_slope_x, streamice_bg_surf_slope_y
27     _RL streamice_kx_b_init, streamice_ky_b_init
28 heimbach 1.1
29     C parms for parameterized initial thickness
30     C SHELF_MAX_DRAFT: max thickness of ice in m
31     C SHELF_MIN_DRAFT: min thickness of ice in m
32     C SHELF_EDGE_POS: extent of ice shelf in (km?)
33     C SHELF_SLOPE_SCALE: dist over which shelf slopes (km?)
34     C SHELF_FLAT_WIDTH: width of flat shelf (km?)
35     C also must be aware of units (m for cartesian, deg for curvilinear, m/deg for CYLINDRICAL POLAR)
36     C FLOW_DIR: 1.0=west, 2.0=east, 3.0=south, 4.0=north
37    
38     COMMON /STREAMICE_H_INIT_R/
39     & shelf_max_draft,
40     & shelf_min_draft,
41     & shelf_edge_pos,
42     & shelf_slope_scale,
43     & shelf_flat_width,
44     & flow_dir
45     _RL shelf_max_draft
46     _RL shelf_min_draft
47     _RL shelf_edge_pos
48     _RL shelf_slope_scale
49     _RL shelf_flat_width
50     _RL flow_dir
51    
52     C -------------------------- INT PARAMS ---------------------------------------------------
53    
54 heimbach 1.3 INTEGER streamice_max_nl
55     PARAMETER ( streamice_max_nl = 100 )
56    
57 heimbach 1.1 COMMON /STREAMICE_PARMS_I/
58     & streamice_max_cg_iter, streamice_max_nl_iter,
59     & streamice_vel_upd_counter, streamice_nstep_velocity,
60     & streamice_n_sub_regularize
61     INTEGER streamice_max_cg_iter, streamice_max_nl_iter
62     INTEGER streamice_vel_upd_counter, streamice_nstep_velocity
63     INTEGER streamice_n_sub_regularize
64    
65     C -------------------------- CHAR PARAMS ---------------------------------------------------
66    
67     CHARACTER*(MAX_LEN_FNAM) STREAMICEthickFile
68     CHARACTER*(MAX_LEN_FNAM) STREAMICEthickInit
69     CHARACTER*(MAX_LEN_FNAM) STREAMICEcalveMaskFile
70 dgoldberg 1.7 CHARACTER*(MAX_LEN_FNAM) STREAMICEsigcoordInit
71     CHARACTER*(MAX_LEN_FNAM) STREAMICEsigcoordFile
72     CHARACTER*(MAX_LEN_FNAM) STREAMICEdelsigFile
73     CHARACTER*(MAX_LEN_FNAM) STREAMICEbasalTracConfig
74     CHARACTER*(MAX_LEN_FNAM) STREAMICEbasalTracFile
75     CHARACTER*(MAX_LEN_FNAM) STREAMICEvelOptimFile
76 heimbach 1.1 COMMON /STREAMICE_PARM_C/
77     & STREAMICEthickInit,
78     & STREAMICEthickFile,
79 dgoldberg 1.7 & STREAMICEcalveMaskFile,
80     & STREAMICEsigcoordInit,
81     & STREAMICEsigcoordFile,
82     & STREAMICEdelsigFile,
83     & STREAMICEbasalTracConfig,
84     & STREAMICEbasalTracFile,
85     & STREAMICEvelOptimFile
86 heimbach 1.1
87     C -------------------------- LOGICAL PARAMS ---------------------------------------------------
88    
89     LOGICAL STREAMICEison
90     LOGICAL STREAMICE_dump_mdsio
91     LOGICAL STREAMICE_tave_mdsio
92     LOGICAL STREAMICE_dump_mnc
93     LOGICAL STREAMICE_tave_mnc
94     LOGICAL STREAMICE_GL_regularize, STREAMICE_move_front
95     LOGICAL STREAMICE_calve_to_mask
96 heimbach 1.3 LOGICAL STREAMICE_construct_matrix
97 heimbach 1.1 LOGICAL STREAMICE_lower_cg_tol
98 dgoldberg 1.7 LOGICAL STREAMICE_diagnostic_only
99    
100     C The following parameters specify periodic boundary conditions.
101     C For now this will completely override all other boundary conditions
102     C and apply to the entire boundary
103    
104     LOGICAL STREAMICE_NS_periodic
105     LOGICAL STREAMICE_EW_periodic
106    
107     C LOGICAL STREAMICE_hybrid_stress
108    
109 heimbach 1.1 COMMON /STREAMICE_PARM_L/
110     & STREAMICEison,
111     & STREAMICE_dump_mdsio, STREAMICE_tave_mdsio,
112     & STREAMICE_dump_mnc, STREAMICE_tave_mnc,
113     & STREAMICE_GL_regularize, STREAMICE_move_front,
114     & STREAMICE_calve_to_mask,
115 heimbach 1.3 & STREAMICE_construct_matrix,
116 dgoldberg 1.7 & STREAMICE_lower_cg_tol,
117     & STREAMICE_NS_periodic, STREAMICE_EW_periodic,
118     & STREAMICE_diagnostic_only
119 heimbach 1.1
120     C -------------------------- AND NOW ARRAYS ---------------------------------------------------
121    
122     C EXPLANATION OF MASKS
123    
124     C STREAMICE_hmask VALUES 1=ice-covered cell
125     C 2=partially ice-covered cell (no dynamics)
126     C 0=ice-free cell (for now, it means the cell
127     C is treated as an open-ocean cell
128     C that ice shelf can flow into)
129     C -1=outside computational domain; will not change
130     C
131     C STREAMICE_umask VALUES 1=degree of freedom;
132     C 0=homogeneous dirich condition
133     C 3=inhomogeneous dirich condition
134    
135     C STREAMICE_vmask similar to umask
136    
137     C STREAMICE_ufacemask VALUES -1=unset,
138     C 0=no-flow boundary,
139     C 1=no-stress bdry
140     C 2=stress bdry condition,
141     C 3=inhomogeneous dirichlet boundary,
142     C 4=flux boundary: at these faces a flux will be specified by u_flux_bdry_SI
143     C
144     C STREAMICE_vfacemask similar to ufacemask
145     C STREAMICE_ufacemask_bdry field initialized at the beginning of simulation
146     C specified all ufacemask values except for calving front
147     C CONSTANT FOR A SIMULATION (ie not changes after streamice_init_fixed)
148     C STREAMICE_vfacemask_bdry CONSTANT FOR A SIMULATION
149     C STREAMICE_calve_mask specified allowed extent of ice shelf
150     C (should be integer, but don't know howvi sre to read ints from file)
151     C not necessarily used, but CONSTANT FOR A SIMULATION
152     C STREAMICE_float_cond will only be used if partial floatation is implemented
153    
154     C Short arrays (e.g. masks)
155     COMMON /STREAMICE_FIELDS_RS/
156     & STREAMICE_hmask,
157     & STREAMICE_umask,
158     & STREAMICE_vmask,
159     & STREAMICE_ufacemask,
160     & STREAMICE_vfacemask,
161     & STREAMICE_ufacemask_bdry,
162     & STREAMICE_vfacemask_bdry,
163     & STREAMICE_float_cond,
164     & STREAMICE_calve_mask
165     _RS STREAMICE_hmask (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
166     _RS STREAMICE_umask (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
167     _RS STREAMICE_vmask (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
168     _RS STREAMICE_ufacemask
169     & (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
170     _RS STREAMICE_vfacemask
171     & (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
172     _RS STREAMICE_ufacemask_bdry
173     & (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
174     _RS STREAMICE_vfacemask_bdry
175     & (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
176     _RS STREAMICE_float_cond
177     & (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
178     _RS STREAMICE_calve_mask
179     & (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
180    
181     C NOTES :
182     C STREAMICE_ufacemask_bdry, STREAMICE_vfacemask_bdry ARE CONSTANT (FIXED)
183     C STREAMICE_hmask IS PART OF **STATE**
184     C All other masks are updated within a timestep BASED ON STREAMICE_hmask
185    
186     C Number of quadrature points are hardcoded.. could turn into a CPP macro
187    
188     C REAL ARRAYS
189    
190     COMMON /STREAMICE_FIELDS_RL/
191     & H_streamice,
192     & U_streamice,
193     & V_streamice,
194     & visc_streamice,
195     & tau_beta_eff_streamice,
196     & float_frac_streamice,
197     & base_el_streamice,
198     & surf_el_streamice,
199     & area_shelf_streamice,
200     & mass_ice_streamice,
201     & u_flux_bdry_SI,
202     & v_flux_bdry_SI,
203     & h_bdry_values_SI,
204     & u_bdry_values_SI,
205     & v_bdry_values_SI,
206     & STREAMICE_dummy_array,
207 dgoldberg 1.6 & C_basal_friction,
208     & A_glen,
209 dgoldberg 1.7 & BDOT_streamice,
210     & streamice_taubx, streamice_tauby,
211     & streamice_u_surf, streamice_v_surf,
212     & visc_streamice_full, streamice_omega, streamice_basal_geom,
213     & streamice_vert_shear_uz, streamice_vert_shear_vz,
214     & streamice_sigma_coord, streamice_delsigma
215 heimbach 1.1 _RL H_streamice (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
216     _RL U_streamice (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
217     _RL V_streamice (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
218     _RL visc_streamice (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
219     _RL tau_beta_eff_streamice(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
220     _RL float_frac_streamice (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
221     _RL surf_el_streamice (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
222     _RL base_el_streamice (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
223     _RL area_shelf_streamice (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
224     _RL mass_ice_streamice (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
225     _RL u_flux_bdry_SI (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
226     _RL v_flux_bdry_SI (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
227     _RL h_bdry_values_SI (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
228     _RL u_bdry_values_SI (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
229     _RL v_bdry_values_SI (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
230     _RL C_basal_friction (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
231 dgoldberg 1.6 _RL A_glen (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
232    
233 dgoldberg 1.7 C The following arrays are used for the hybrid stress balance
234    
235     _RL streamice_taubx (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
236     _RL streamice_tauby (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
237     _RL streamice_u_surf (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
238     _RL streamice_v_surf (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
239     _RL streamice_omega (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
240     _RL streamice_basal_geom
241     & (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
242     _RL visc_streamice_full
243     & (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)
244     _RL streamice_vert_shear_uz (Nr)
245     _RL streamice_vert_shear_vz (Nr)
246     _RL streamice_sigma_coord (Nr)
247     _RL streamice_delsigma (Nr)
248    
249 dgoldberg 1.6 !! IMPORTANT: MELT RATE IN METERS PER YEAR
250     !! POSITIVE WHERE MELTING
251     _RL BDOT_streamice (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
252 heimbach 1.1
253     _RL STREAMICE_dummy_array (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
254    
255     C NOTES :
256     C REAL ARRAYS THAT COMPRISE "STATE":
257     C H_streamice,
258     C U_streamice,
259     C V_streamice,
260     C visc_streamice,
261     C tau_beta_eff_streamice,
262     C area_shelf_streamice
263     C (and don't forget STREAMICE_hmask)
264     C
265     C visc & tau are now calculated based on U,V in streamice_vel_solve
266     C but with Hybdrid stress formulation they will become part of
267     C velocity initial guess, so they are kept
268    
269    
270     #endif /* ALLOW_STREAMICE */
271    
272     CEH3 ;;; Local Variables: ***
273     CEH3 ;;; mode:fortran ***
274     CEH3 ;;; End: ***

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