-
Notifications
You must be signed in to change notification settings - Fork 0
/
wwm_sdissip_local.F90
223 lines (187 loc) · 7.65 KB
/
wwm_sdissip_local.F90
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
SUBROUTINE SDISSIP_LOCAL (IPP, F, FL, IG, SL, F1MEAN, XKMEAN, &
& PHIEPS, TAUWD, MIJ, SSDS, DSSDS)
! ----------------------------------------------------------------------
!**** *SDISSIP* - COMPUTATION OF DISSIPATION SOURCE FUNCTION.
! S.D.HASSELMANN.
! MODIFIED TO SHALLOW WATER : G. KOMEN , P. JANSSEN
! OPTIMIZATION : L. ZAMBRESKY
! J. BIDLOT ECMWF FEBRUARY 1997 ADD SL IN SUBROUTINE CALL
! J. BIDLOT ECMWF NOVEMBER 2004 REFORMULATION BASED ON XKMEAN
! AND F1MEAN.
! P. JANSSEN ECMWF JANUARY 2006 ADD BOTTOM-INDUCED DISSIPATION.
!* PURPOSE.
! --------
! COMPUTE DISSIPATION SOURCE FUNCTION AND STORE ADDITIVELY INTO
! NET SOURCE FUNCTION ARRAY. ALSO COMPUTE FUNCTIONAL DERIVATIVE
! OF DISSIPATION SOURCE FUNCTION.
!** INTERFACE.
! ----------
! *CALL* *SDISSIP (F, FL, IJS, IJL, SL, F1MEAN, XKMEAN,)*
! PHIEPS, TAUWD, MIJ, LCFLX)
! *F* - SPECTRUM.
! *FL* - DIAGONAL MATRIX OF FUNCTIONAL DERIVATIVE
! *IJS* - INDEX OF FIRST GRIDPOINT
! *IJL* - INDEX OF LAST GRIDPOINT
! *IG* - BLOCK NUMBER
! *SL* - TOTAL SOURCE FUNCTION ARRAY
! *F1MEAN* - MEAN FREQUENCY BASED ON 1st MOMENT.
! *XKMEAN* - MEAN WAVE NUMBER BASED ON 1st MOMENT.
! *PHIEPS* - ENERGY FLUX FROM WAVES TO OCEAN INTEGRATED OVER
! THE PROGNOSTIC RANGE.
! *TAUWD* - DISSIPATION STRESS INTEGRATED OVER
! THE PROGNOSTIC RANGE.
! *MIJ* - LAST FREQUENCY INDEX OF THE PROGNOSTIC RANGE.
! *LCFLX* - TRUE IF THE CALCULATION FOR THE FLUXES ARE
! PERFORMED.
! METHOD.
! -------
! SEE REFERENCES.
! EXTERNALS.
! ----------
! NONE.
! REFERENCE.
! ----------
! G.KOMEN, S. HASSELMANN AND K. HASSELMANN, ON THE EXISTENCE
! OF A FULLY DEVELOPED WINDSEA SPECTRUM, JGR, 1984.
! ----------------------------------------------------------------------
! USE YOWFRED , ONLY : FR ,DELTH ,DFIM ,FRATIO
! USE YOWMEAN , ONLY : EMEAN
! USE YOWPARAM , ONLY : NANG ,NFRE
! USE YOWPCONS , ONLY : G ,ZPI ,ROWATER
! USE YOWSHAL , ONLY : DEPTH ,TFAK ,INDEP
! USE YOWSTAT , ONLY : ISHALLO ,LBIWBK
! USE YOMHOOK ,ONLY : LHOOK ,DR_HOOK
! USE YOWTEST , ONLY : IU06 ,ITEST
USE DATAPOOL, ONLY : FR, WETAIL, FRTAIL, WP1TAIL, ISHALLO, EMEAN, &
& DFIM, DFIMOFR, DFFR, DFFR2, WK, RKIND, LCFLX, &
& IUSTAR, IALPHA, USTARM, TAUT, STAT, IU06, ICOMP, &
& DELUST, DELALP, LBIWBK, DEP, LBIWBK, ITEST, FRATIO, &
& DELTH => DDIR, LOUTWAM, TESTNODE, &
& G => G9, &
& ZPI => PI2, &
& EPSMIN => SMALL, &
& NFRE => MSC, &
& NANG => MDC, &
& INDEP => DEP, &
& ROWATER => RHOW
IMPLICIT NONE
! ----------------------------------------------------------------------
INTEGER, INTENT(IN) :: IPP
INTEGER :: M, K, MIJ, IC, IG
REAL(rkind) :: SCDFM, ROG, ALPH, ARG, CONSD, CONSS, X, SDISS, EMAX, Q_OLD, Q, REL_ERR
REAL(rkind),DIMENSION(NANG,NFRE) :: F,FL,SL
REAL(rkind),DIMENSION(NANG,NFRE) :: SSDS,DSSDS
REAL(rkind) :: F1MEAN, XKMEAN, PHIEPS, TAUWD, CM
REAL(rkind) :: TEMP1, SDS
REAL(rkind),DIMENSION(NFRE) :: FAC
REAL(rkind),DIMENSION(NFRE) :: CONSTFM
REAL(rkind), PARAMETER :: CDIS = 1.33d0
REAL(rkind), PARAMETER :: DELTA = 0.5d0
REAL(rkind), PARAMETER :: ALPH_B_J = 1.d0
REAL(rkind), PARAMETER :: GAM_B_J = 0.8d0
REAL(rkind), PARAMETER :: COEF_B_J=2*ALPH_B_J
REAL(rkind), PARAMETER :: DEPTHTRS = 50.d0
IF (LOUTWAM) WRITE(111119,*) '------- STARTING DISSIPATION -------'
!REAL ZHOOK_HANDLE
!IF (LHOOK) CALL DR_HOOK('SDISSIP',0,ZHOOK_HANDLE)
! ----------------------------------------------------------------------
!* 1. ADDING DISSIPATION AND ITS FUNCTIONAL DERIVATIVE TO NET SOURCE
!* FUNCTION AND NET SOURCE FUNCTION DERIVATIVE.
! --------------------------------------------------------------
IF (LOUTWAM) WRITE(111119,'(5F20.10)') SUM(F), SUM(FL), SUM(SL), &
& F1MEAN, XKMEAN
ROG = ROWATER*G
IF (LCFLX) THEN
PHIEPS = 0.
TAUWD = 0.
! !!!! CONSTFM is only defined up to M=MIJ(IJ)
SCDFM = 0.5*DELTH*(1.-1./FRATIO)
DO M=1,MIJ-1
CONSTFM(M) = ROG*DFIM(M)
ENDDO
CONSTFM(MIJ) = ROG*SCDFM*FR(MIJ)
ENDIF
IF (ISHALLO.EQ.1) THEN
CONSD = -CDIS*ZPI**9/G**4
SDS=CONSD*F1MEAN*EMEAN(IPP)**2*F1MEAN**8
DO M=1,NFRE
FAC(M) = ZPI*FR(M)
CM = FAC(M)/G
X = (FR(M)/F1MEAN)**2
TEMP1 = SDS*( (1.-DELTA)*X + DELTA*X**2)
DO K=1,NANG
SDISS = TEMP1*F(K,M)
SL(K,M) = SL(K,M)+TEMP1*F(K,M)
FL(K,M) = FL(K,M)+TEMP1
IF (LCFLX.AND.M.LE.MIJ) THEN
PHIEPS = PHIEPS+SDISS*CONSTFM(M)
TAUWD = TAUWD+CM*SDISS*CONSTFM(M)
ENDIF
ENDDO
ENDDO
ELSE !SHALLOW
IF (ITEST.GE.2) THEN
WRITE(IU06,*) ' SUB. SDISSIP: START DO-LOOP (ISHALLO=0)'
CALL FLUSH (IU06)
ENDIF
CONSS = -CDIS*ZPI
SDS=CONSS*F1MEAN*EMEAN(IPP)**2*XKMEAN**4
DO M=1,NFRE
FAC(M) = ZPI*FR(M)
!X = TFAK(INDEP(M)/XKMEAN(IJ)
X = WK(M,IPP)/XKMEAN
TEMP1 = SDS*( (1.-DELTA)*X + DELTA*X**2)
!CM(IJ) = TFAK(INDEP,M)/FAC(M)
CM = WK(M,IPP)/FAC(M)
ENDDO
DO K=1,NANG
SDISS = TEMP1*F(K,M)
SL(K,M) = SL(K,M)+TEMP1*F(K,M)
FL(K,M) = FL(K,M)+TEMP1
SSDS(K,M) = TEMP1*F(K,M)
DSSDS(K,M) = TEMP1
IF (LCFLX.AND.M.LE.MIJ) THEN
PHIEPS = PHIEPS+SDISS*CONSTFM(M)
TAUWD = TAUWD+CM*SDISS*CONSTFM(M)
ENDIF
ENDDO
IF (LOUTWAM) WRITE(111119,'(5F20.10)')SDS,TEMP1,&
& CM
!
!* 2. COMPUTATION OF BOTTOM-INDUCED DISSIPATION COEFFICIENT.
! ----------- -- -------------- -----------------------
!
! (FOLLOWING BATTJES-JANSSEN AND BEJI)
IF(LBIWBK .and. .false.) THEN
IF(DEP(IPP).LT.DEPTHTRS) THEN
EMAX = (GAM_B_J*DEP(IPP))**2/16.
ALPH = 2.*EMAX/(EMEAN(IPP))
ARG = MIN(ALPH,50.)
Q_OLD = EXP(-ARG)
DO IC=1,15
Q = EXP(-ARG*(1.-Q_OLD))
REL_ERR=ABS(Q-Q_OLD)/Q_OLD
IF(REL_ERR.LT.0.01) EXIT
Q_OLD = Q
ENDDO
SDS = COEF_B_J*ALPH*Q*F1MEAN
!IF (IJ == 339) write(*,'(I10,8F20.10)') IJ, DEP(IJ), SDS(IJ), Q, COEF_B_J, ALPH, F1MEAN(IJ), 4*SQRT(EMAX), 4*SQRT(EMEAN(IJ))
ENDIF
DO M=1,NFRE
DO K=1,NANG
IF(DEP(IPP).LT.DEPTHTRS) THEN
!SL(IJ,K,M) = SL(IJ,K,M)-SDS(IJ)*F(IJ,K,M)
!FL(IJ,K,M) = FL(IJ,K,M)-SDS(IJ)
!SSDS(K,M) = -SDS(IJ)*F(IJ,K,M)
!DSSDS(K,M) = -SDS(IJ)
ENDIF
ENDDO
ENDDO
ENDIF
!SHALLOW
ENDIF
IF (LOUTWAM) WRITE(111119,'(2F30.20)') SUM(FL), SUM(SL)
IF (LOUTWAM) WRITE(111119,*) '------- FINISHED DISSIPATION -------'
!IF (LHOOK) CALL DR_HOOK('SDISSIP',1,ZHOOK_HANDLE)
RETURN
END SUBROUTINE SDISSIP_LOCAL