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SUBROUTINE inifilr |
module inifilr_m |
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! From filtrez/inifilr.F,v 1.1.1.1 2004/05/19 12:53:09 |
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! H. Upadhyaya, O.Sharma |
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! This routine computes the eigenfunctions of the laplacien |
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! on the stretched grid, and the filtering coefficients |
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! We designate: |
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! eignfn eigenfunctions of the discrete laplacien |
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! eigenvl eigenvalues |
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! jfiltn indexof the last scalar line filtered in NH |
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! jfilts index of the first line filtered in SH |
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! modfrst index of the mode from where modes are filtered |
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! modemax maximum number of modes ( im ) |
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! coefil filtering coefficients ( lamda_max*cos(rlat)/lamda ) |
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! sdd SQRT( dx ) |
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! the modes are filtered from modfrst to modemax |
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USE dimens_m |
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USE paramet_m |
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USE logic |
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USE comgeom |
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USE serre |
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USE parafilt |
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USE coefils |
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2 |
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3 |
IMPLICIT NONE |
IMPLICIT NONE |
4 |
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5 |
REAL dlonu(iim), dlatu(jjm) |
INTEGER jfiltnu, jfiltsu, jfiltnv, jfiltsv |
6 |
REAL rlamda(iim), eignvl(iim) |
! jfiltn index of the last scalar line filtered in NH |
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! jfilts index of the first line filtered in SH |
8 |
REAL lamdamax, pi, cof |
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9 |
INTEGER i, j, modemax, imx, k, kf, ii |
! North: |
10 |
REAL dymin, dxmin, colat0 |
real, allocatable:: matriceun(:, :, :), matrinvn(:, :, :) |
11 |
REAL eignft(iim,iim), coff |
! (iim, iim, 2:jfiltnu) |
12 |
EXTERNAL inifgn |
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real, allocatable:: matricevn(:, :, :) ! (iim, iim, jfiltnv) |
14 |
!----------------------------------------------------------- |
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! South: |
16 |
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real, allocatable:: matriceus(:, :, :), matrinvs(:, :, :) |
17 |
pi = 2.*asin(1.) |
! (iim, iim, jfiltsu:jjm) |
18 |
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DO i = 1, iim |
real, allocatable:: matricevs(:, :, :) ! (iim, iim, jfiltsv:jjm) |
20 |
dlonu(i) = xprimu(i) |
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END DO |
contains |
22 |
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CALL inifgn(eignvl) |
SUBROUTINE inifilr |
24 |
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25 |
PRINT *, ' EIGNVL ' |
! From filtrez/inifilr.F, version 1.1.1.1 2004/05/19 12:53:09 |
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PRINT 250, eignvl |
! H. Upadhyaya, O. Sharma |
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250 FORMAT (1X,5E13.6) |
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! This routine computes the eigenfunctions of the laplacian on the |
29 |
! compute eigenvalues and eigenfunctions |
! stretched grid, and the filtering coefficients. The modes are |
30 |
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! filtered from modfrst to iim. |
31 |
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!................................................................. |
USE dimens_m, ONLY : iim, jjm |
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USE dynetat0_m, ONLY : rlatu, rlatv, xprimu, grossismx |
34 |
! compute the filtering coefficients for scalar lines and |
use inifgn_m, only: inifgn, eignfnu, eignfnv |
35 |
! meridional wind v-lines |
use jumble, only: new_unit |
36 |
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use nr_util, only: pi |
37 |
! we filter all those latitude lines where coefil < 1 |
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! NO FILTERING AT POLES |
! Local: |
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REAL dlatu(jjm) |
40 |
! colat0 is to be used when alpha (stretching coefficient) |
REAL rlamda(2: iim) |
41 |
! is set equal to zero for the regular grid case |
real eignvl(iim) ! eigenvalues sorted in descending order |
42 |
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REAL cof |
43 |
! ....... Calcul de colat0 ......... |
INTEGER i, j, k, unit |
44 |
! ..... colat0 = minimum de ( 0.5, min dy/ min dx ) ... |
REAL colat0 ! > 0 |
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REAL eignft(iim, iim), coff |
46 |
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47 |
DO j = 1, jjm |
! Filtering coefficients (lamda_max * cos(rlat) / lamda): |
48 |
dlatu(j) = rlatu(j) - rlatu(j+1) |
real coefilu(iim, jjm), coefilv(iim, jjm) |
49 |
END DO |
real coefilu2(iim, jjm), coefilv2(iim, jjm) |
50 |
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51 |
dxmin = dlonu(1) |
! Index of the mode from where modes are filtered: |
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DO i = 2, iim |
integer, allocatable:: modfrstnu(:), modfrstsu(:) |
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dxmin = min(dxmin,dlonu(i)) |
integer, allocatable:: modfrstnv(:), modfrstsv(:) |
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END DO |
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55 |
dymin = dlatu(1) |
!----------------------------------------------------------- |
56 |
DO j = 2, jjm |
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57 |
dymin = min(dymin,dlatu(j)) |
print *, "Call sequence information: inifilr" |
58 |
END DO |
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59 |
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CALL inifgn(eignvl) |
60 |
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61 |
colat0 = min(0.5,dymin/dxmin) |
! compute eigenvalues and eigenfunctions |
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! compute the filtering coefficients for scalar lines and |
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IF ( .NOT. fxyhypb .AND. ysinus) THEN |
! meridional wind v-lines |
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colat0 = 0.6 |
! we filter all those latitude lines where coefil < 1 |
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! ...... a revoir pour ysinus ! ....... |
! NO FILTERING AT POLES |
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alphax = 0. |
! colat0 is to be used when alpha (stretching coefficient) |
67 |
END IF |
! is set equal to zero for the regular grid case |
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PRINT 50, colat0, alphax |
! Calcul de colat0 |
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50 FORMAT (/15X,' Inifilr colat0 alphax ',2E16.7) |
forall (j = 1:jjm) dlatu(j) = rlatu(j) - rlatu(j + 1) |
71 |
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colat0 = min(0.5, minval(dlatu) / minval(xprimu(:iim))) |
72 |
IF (alphax==1.) THEN |
PRINT *, 'colat0 = ', colat0 |
73 |
PRINT *, ' Inifilr alphax doit etre < a 1. Corriger ' |
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STOP 1 |
rlamda = iim / (pi * colat0 / grossismx) / sqrt(abs(eignvl(2: iim))) |
75 |
END IF |
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! Determination de jfiltnu, jfiltsu, jfiltnv, jfiltsv |
77 |
lamdamax = iim/(pi*colat0*(1.-alphax)) |
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jfiltnu = (jjm + 1) / 2 |
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DO i = 2, iim |
do while (cos(rlatu(jfiltnu)) >= colat0 & |
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rlamda(i) = lamdamax/sqrt(abs(eignvl(i))) |
.or. rlamda(iim) * cos(rlatu(jfiltnu)) >= 1.) |
81 |
END DO |
jfiltnu = jfiltnu - 1 |
82 |
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end do |
83 |
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84 |
DO j = 1, jjm |
jfiltsu = jjm / 2 + 2 |
85 |
DO i = 1, iim |
do while (cos(rlatu(jfiltsu)) >= colat0 & |
86 |
coefilu(i,j) = 0.0 |
.or. rlamda(iim) * cos(rlatu(jfiltsu)) >= 1.) |
87 |
coefilv(i,j) = 0.0 |
jfiltsu = jfiltsu + 1 |
88 |
coefilu2(i,j) = 0.0 |
end do |
89 |
coefilv2(i,j) = 0.0 |
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90 |
end DO |
jfiltnv = jjm / 2 |
91 |
END DO |
do while ((cos(rlatv(jfiltnv)) >= colat0 & |
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.or. rlamda(iim) * cos(rlatv(jfiltnv)) >= 1.) .and. jfiltnv >= 2) |
93 |
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jfiltnv = jfiltnv - 1 |
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! ... Determination de jfiltnu,jfiltnv,jfiltsu,jfiltsv .... |
end do |
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! ......................................................... |
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96 |
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if (cos(rlatv(jfiltnv)) >= colat0 & |
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modemax = iim |
.or. rlamda(iim) * cos(rlatv(jfiltnv)) >= 1.) then |
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! {jfiltnv == 1} |
99 |
!ccc imx = modemax - 4 * (modemax/iim) |
PRINT *, 'Could not find jfiltnv.' |
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STOP 1 |
101 |
imx = iim |
END IF |
102 |
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PRINT *, ' TRUNCATION AT ', imx |
jfiltsv = (jjm + 1)/ 2 + 1 |
104 |
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do while ((cos(rlatv(jfiltsv)) >= colat0 & |
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DO j = 2, jjm/2 + 1 |
.or. rlamda(iim) * cos(rlatv(jfiltsv)) >= 1.) .and. jfiltsv <= jjm - 1) |
106 |
cof = cos(rlatu(j))/colat0 |
jfiltsv = jfiltsv + 1 |
107 |
IF (cof<1.) THEN |
end do |
108 |
IF (rlamda(imx)*cos(rlatu(j))<1.) jfiltnu = j |
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109 |
END IF |
IF (cos(rlatv(jfiltsv)) >= colat0 & |
110 |
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.or. rlamda(iim) * cos(rlatv(jfiltsv)) >= 1.) THEN |
111 |
cof = cos(rlatu(jjp1-j+1))/colat0 |
! {jfiltsv == jjm} |
112 |
IF (cof<1.) THEN |
PRINT *, 'Could not find jfiltsv.' |
113 |
IF (rlamda(imx)*cos(rlatu(jjp1-j+1))<1.) jfiltsu = jjp1 - j + 1 |
STOP 1 |
114 |
END IF |
END IF |
115 |
END DO |
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116 |
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PRINT *, 'jfiltnu =', jfiltnu |
117 |
DO j = 1, jjm/2 |
PRINT *, 'jfiltsu =', jfiltsu |
118 |
cof = cos(rlatv(j))/colat0 |
PRINT *, 'jfiltnv =', jfiltnv |
119 |
IF (cof<1.) THEN |
PRINT *, 'jfiltsv =', jfiltsv |
120 |
IF (rlamda(imx)*cos(rlatv(j))<1.) jfiltnv = j |
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END IF |
! Determination de coefilu, coefilv, modfrst[ns][uv]: |
122 |
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123 |
cof = cos(rlatv(jjm-j+1))/colat0 |
allocate(modfrstnu(2:jfiltnu), modfrstsu(jfiltsu:jjm)) |
124 |
IF (cof<1.) THEN |
allocate(modfrstnv(jfiltnv), modfrstsv(jfiltsv:jjm)) |
125 |
IF (rlamda(imx)*cos(rlatv(jjm-j+1))<1.) jfiltsv = jjm - j + 1 |
coefilu = 0. |
126 |
END IF |
coefilv = 0. |
127 |
END DO |
coefilu2 = 0. |
128 |
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coefilv2 = 0. |
129 |
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130 |
IF (jfiltnu<=0) jfiltnu = 1 |
DO j = 2, jfiltnu |
131 |
IF (jfiltnu>jjm/2+1) THEN |
modfrstnu(j) = 2 |
132 |
PRINT *, ' jfiltnu en dehors des valeurs acceptables ', jfiltnu |
do while (rlamda(modfrstnu(j)) * cos(rlatu(j)) >= 1. & |
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STOP 1 |
.and. modfrstnu(j) <= iim - 1) |
134 |
END IF |
modfrstnu(j) = modfrstnu(j) + 1 |
135 |
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end do |
136 |
IF (jfiltsu<=0) jfiltsu = 1 |
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137 |
IF (jfiltsu>jjm+1) THEN |
if (rlamda(modfrstnu(j)) * cos(rlatu(j)) < 1.) then |
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PRINT *, ' jfiltsu en dehors des valeurs acceptables ', jfiltsu |
DO k = modfrstnu(j), iim |
139 |
STOP 1 |
cof = rlamda(k) * cos(rlatu(j)) |
140 |
END IF |
coefilu(k, j) = cof - 1. |
141 |
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coefilu2(k, j) = cof**2 - 1. |
142 |
IF (jfiltnv<=0) jfiltnv = 1 |
end DO |
143 |
IF (jfiltnv>jjm/2) THEN |
end if |
144 |
PRINT *, ' jfiltnv en dehors des valeurs acceptables ', jfiltnv |
END DO |
145 |
STOP 1 |
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146 |
END IF |
DO j = 1, jfiltnv |
147 |
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modfrstnv(j) = 2 |
148 |
IF (jfiltsv<=0) jfiltsv = 1 |
do while (rlamda(modfrstnv(j)) * cos(rlatv(j)) >= 1. & |
149 |
IF (jfiltsv>jjm) THEN |
.and. modfrstnv(j) <= iim - 1) |
150 |
PRINT *, ' jfiltsv en dehors des valeurs acceptables ', jfiltsv |
modfrstnv(j) = modfrstnv(j) + 1 |
151 |
STOP 1 |
end do |
152 |
END IF |
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153 |
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if (rlamda(modfrstnv(j)) * cos(rlatv(j)) < 1.) then |
154 |
PRINT *, ' jfiltnv jfiltsv jfiltnu jfiltsu ', jfiltnv, jfiltsv, jfiltnu, & |
DO k = modfrstnv(j), iim |
155 |
jfiltsu |
cof = rlamda(k) * cos(rlatv(j)) |
156 |
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coefilv(k, j) = cof - 1. |
157 |
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coefilv2(k, j) = cof**2 - 1. |
158 |
! ... Determination de coefilu,coefilv,n=modfrstu,modfrstv .... |
end DO |
159 |
!................................................................ |
end if |
160 |
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end DO |
161 |
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162 |
DO j = 1, jjm |
DO j = jfiltsu, jjm |
163 |
modfrstu(j) = iim |
modfrstsu(j) = 2 |
164 |
modfrstv(j) = iim |
do while (rlamda(modfrstsu(j)) * cos(rlatu(j)) >= 1. & |
165 |
END DO |
.and. modfrstsu(j) <= iim - 1) |
166 |
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modfrstsu(j) = modfrstsu(j) + 1 |
167 |
DO j = 2, jfiltnu |
end do |
168 |
DO k = 2, modemax |
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169 |
cof = rlamda(k)*cos(rlatu(j)) |
if (rlamda(modfrstsu(j)) * cos(rlatu(j)) < 1.) then |
170 |
IF (cof<1.) GO TO 82 |
DO k = modfrstsu(j), iim |
171 |
end DO |
cof = rlamda(k) * cos(rlatu(j)) |
172 |
cycle |
coefilu(k, j) = cof - 1. |
173 |
82 modfrstu(j) = k |
coefilu2(k, j) = cof**2 - 1. |
174 |
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end DO |
175 |
kf = modfrstu(j) |
end if |
176 |
DO k = kf, modemax |
end DO |
177 |
cof = rlamda(k)*cos(rlatu(j)) |
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178 |
coefilu(k,j) = cof - 1. |
DO j = jfiltsv, jjm |
179 |
coefilu2(k,j) = cof*cof - 1. |
modfrstsv(j) = 2 |
180 |
end DO |
do while (rlamda(modfrstsv(j)) * cos(rlatv(j)) >= 1. & |
181 |
END DO |
.and. modfrstsv(j) <= iim - 1) |
182 |
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modfrstsv(j) = modfrstsv(j) + 1 |
183 |
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end do |
184 |
DO j = 1, jfiltnv |
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185 |
DO k = 2, modemax |
if (rlamda(modfrstsv(j)) * cos(rlatv(j)) < 1.) then |
186 |
cof = rlamda(k)*cos(rlatv(j)) |
DO k = modfrstsv(j), iim |
187 |
IF (cof<1.) GO TO 87 |
cof = rlamda(k) * cos(rlatv(j)) |
188 |
end DO |
coefilv(k, j) = cof - 1. |
189 |
cycle |
coefilv2(k, j) = cof**2 - 1. |
190 |
87 modfrstv(j) = k |
end DO |
191 |
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end if |
192 |
kf = modfrstv(j) |
END DO |
193 |
DO k = kf, modemax |
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194 |
cof = rlamda(k)*cos(rlatv(j)) |
call new_unit(unit) |
195 |
coefilv(k,j) = cof - 1. |
open(unit, file = "inifilr_out.txt", status = "replace", action = "write") |
196 |
coefilv2(k,j) = cof*cof - 1. |
write(unit, fmt = *) '"EIGNVL"', eignvl |
197 |
end DO |
write(unit, fmt = *) '"modfrstnu"', modfrstnu |
198 |
end DO |
write(unit, fmt = *) '"modfrstsu"', modfrstsu |
199 |
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write(unit, fmt = *) '"modfrstnv"', modfrstnv |
200 |
DO j = jfiltsu, jjm |
write(unit, fmt = *) '"modfrstsv"', modfrstsv |
201 |
DO k = 2, modemax |
close(unit) |
202 |
cof = rlamda(k)*cos(rlatu(j)) |
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203 |
IF (cof<1.) GO TO 92 |
allocate(matriceun(iim, iim, 2:jfiltnu), matrinvn(iim, iim, 2:jfiltnu)) |
204 |
end DO |
allocate(matricevn(iim, iim, jfiltnv)) |
205 |
cycle |
allocate(matricevs(iim, iim, jfiltsv:jjm)) |
206 |
92 modfrstu(j) = k |
allocate(matriceus(iim, iim, jfiltsu:jjm), matrinvs(iim, iim, jfiltsu:jjm)) |
207 |
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208 |
kf = modfrstu(j) |
! Calcul de la matrice filtre 'matriceu' pour les champs situes |
209 |
DO k = kf, modemax |
! sur la grille scalaire |
210 |
cof = rlamda(k)*cos(rlatu(j)) |
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211 |
coefilu(k,j) = cof - 1. |
DO j = 2, jfiltnu |
212 |
coefilu2(k,j) = cof*cof - 1. |
DO i = 1, iim |
213 |
end DO |
IF (i < modfrstnu(j)) then |
214 |
end DO |
coff = 0. |
215 |
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else |
216 |
DO j = jfiltsv, jjm |
coff = coefilu(i, j) |
217 |
DO k = 2, modemax |
end IF |
218 |
cof = rlamda(k)*cos(rlatv(j)) |
eignft(i, :) = eignfnv(:, i) * coff |
219 |
IF (cof<1.) GO TO 97 |
END DO |
220 |
end DO |
matriceun(:, :, j) = matmul(eignfnv, eignft) |
221 |
cycle |
END DO |
222 |
97 modfrstv(j) = k |
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223 |
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DO j = jfiltsu, jjm |
224 |
kf = modfrstv(j) |
DO i = 1, iim |
225 |
DO k = kf, modemax |
IF (i < modfrstsu(j)) then |
226 |
cof = rlamda(k)*cos(rlatv(j)) |
coff = 0. |
227 |
coefilv(k,j) = cof - 1. |
else |
228 |
coefilv2(k,j) = cof*cof - 1. |
coff = coefilu(i, j) |
229 |
end DO |
end IF |
230 |
END DO |
eignft(i, :) = eignfnv(:, i) * coff |
231 |
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END DO |
232 |
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matriceus(:, :, j) = matmul(eignfnv, eignft) |
233 |
IF (jfiltnv>=jjm/2 .OR. jfiltnu>=jjm/2) THEN |
END DO |
234 |
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235 |
IF (jfiltnv==jfiltsv) jfiltsv = 1 + jfiltnv |
! Calcul de la matrice filtre 'matricev' pour les champs situes |
236 |
IF (jfiltnu==jfiltsu) jfiltsu = 1 + jfiltnu |
! sur la grille de V ou de Z |
237 |
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238 |
PRINT *, 'jfiltnv jfiltsv jfiltnu jfiltsu', jfiltnv, jfiltsv, jfiltnu, & |
DO j = 1, jfiltnv |
239 |
jfiltsu |
DO i = 1, iim |
240 |
END IF |
IF (i < modfrstnv(j)) then |
241 |
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coff = 0. |
242 |
PRINT *, ' Modes premiers v ' |
else |
243 |
PRINT 334, modfrstv |
coff = coefilv(i, j) |
244 |
PRINT *, ' Modes premiers u ' |
end IF |
245 |
PRINT 334, modfrstu |
eignft(i, :) = eignfnu(:, i) * coff |
246 |
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END DO |
247 |
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matricevn(:, :, j) = matmul(eignfnu, eignft) |
248 |
IF (nfilun<jfiltnu) THEN |
END DO |
249 |
PRINT *, ' le parametre nfilun utilise pour la matrice ', & |
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250 |
' matriceun est trop petit ! ' |
DO j = jfiltsv, jjm |
251 |
PRINT *, 'Le changer dans parafilt.h et le mettre a ', jfiltnu |
DO i = 1, iim |
252 |
PRINT *, 'Pour information, nfilun,nfilus,nfilvn,nfilvs ', & |
IF (i < modfrstsv(j)) then |
253 |
'doivent etre egaux successivement a ', jfiltnu, jjm - jfiltsu + 1, & |
coff = 0. |
254 |
jfiltnv, jjm - jfiltsv + 1 |
else |
255 |
STOP 1 |
coff = coefilv(i, j) |
256 |
END IF |
end IF |
257 |
IF (nfilun>jfiltnu+2) THEN |
eignft(i, :) = eignfnu(:, i) * coff |
258 |
PRINT *, ' le parametre nfilun utilise pour la matrice ', & |
END DO |
259 |
' matriceun est trop grand ! Gachis de memoire ! ' |
matricevs(:, :, j) = matmul(eignfnu, eignft) |
260 |
PRINT *, 'Le changer dans parafilt.h et le mettre a ', jfiltnu |
END DO |
261 |
PRINT *, 'Pour information, nfilun,nfilus,nfilvn,nfilvs ', & |
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262 |
'doivent etre egaux successivement a ', jfiltnu, jjm - jfiltsu + 1, & |
! Calcul de la matrice filtre 'matrinv' pour les champs situes |
263 |
jfiltnv, jjm - jfiltsv + 1 |
! sur la grille scalaire , pour le filtre inverse |
264 |
END IF |
|
265 |
IF (nfilus<jjm-jfiltsu+1) THEN |
DO j = 2, jfiltnu |
266 |
PRINT *, ' le parametre nfilus utilise pour la matrice ', & |
DO i = 1, iim |
267 |
' matriceus est trop petit ! ' |
IF (i < modfrstnu(j)) then |
268 |
PRINT *, ' Le changer dans parafilt.h et le mettre a ', & |
coff = 0. |
269 |
jjm - jfiltsu + 1 |
else |
270 |
PRINT *, ' Pour information , nfilun,nfilus,nfilvn,nfilvs ', & |
coff = coefilu(i, j) / (1. + coefilu(i, j)) |
271 |
'doivent etre egaux successivement a ', jfiltnu, jjm - jfiltsu + 1, & |
end IF |
272 |
jfiltnv, jjm - jfiltsv + 1 |
eignft(i, :) = eignfnv(:, i) * coff |
273 |
STOP 1 |
END DO |
274 |
END IF |
matrinvn(:, :, j) = matmul(eignfnv, eignft) |
275 |
IF (nfilus>jjm-jfiltsu+3) THEN |
END DO |
276 |
PRINT *, ' le parametre nfilus utilise pour la matrice ', & |
|
277 |
' matriceus est trop grand ! ' |
DO j = jfiltsu, jjm |
278 |
PRINT *, ' Le changer dans parafilt.h et le mettre a ', & |
DO i = 1, iim |
279 |
jjm - jfiltsu + 1 |
IF (i < modfrstsu(j)) then |
280 |
PRINT *, ' Pour information , nfilun,nfilus,nfilvn,nfilvs ', & |
coff = 0. |
281 |
'doivent etre egaux successivement a ', jfiltnu, jjm - jfiltsu + 1, & |
else |
282 |
jfiltnv, jjm - jfiltsv + 1 |
coff = coefilu(i, j) / (1. + coefilu(i, j)) |
283 |
END IF |
end IF |
284 |
IF (nfilvn<jfiltnv) THEN |
eignft(i, :) = eignfnv(:, i) * coff |
285 |
PRINT *, ' le parametre nfilvn utilise pour la matrice ', & |
END DO |
286 |
' matricevn est trop petit ! ' |
matrinvs(:, :, j) = matmul(eignfnv, eignft) |
287 |
PRINT *, 'Le changer dans parafilt.h et le mettre a ', jfiltnv |
END DO |
|
PRINT *, ' Pour information , nfilun,nfilus,nfilvn,nfilvs ', & |
|
|
'doivent etre egaux successivement a ', jfiltnu, jjm - jfiltsu + 1, & |
|
|
jfiltnv, jjm - jfiltsv + 1 |
|
|
STOP 1 |
|
|
END IF |
|
|
IF (nfilvn>jfiltnv+2) THEN |
|
|
PRINT *, ' le parametre nfilvn utilise pour la matrice ', & |
|
|
' matricevn est trop grand ! Gachis de memoire ! ' |
|
|
PRINT *, 'Le changer dans parafilt.h et le mettre a ', jfiltnv |
|
|
PRINT *, ' Pour information , nfilun,nfilus,nfilvn,nfilvs ', & |
|
|
'doivent etre egaux successivement a ', jfiltnu, jjm - jfiltsu + 1, & |
|
|
jfiltnv, jjm - jfiltsv + 1 |
|
|
END IF |
|
|
IF (nfilvs<jjm-jfiltsv+1) THEN |
|
|
PRINT *, ' le parametre nfilvs utilise pour la matrice ', & |
|
|
' matricevs est trop petit ! Le changer dans parafilt.h ' |
|
|
PRINT *, ' Le changer dans parafilt.h et le mettre a ', & |
|
|
jjm - jfiltsv + 1 |
|
|
PRINT *, ' Pour information , nfilun,nfilus,nfilvn,nfilvs ', & |
|
|
'doivent etre egaux successivement a ', jfiltnu, jjm - jfiltsu + 1, & |
|
|
jfiltnv, jjm - jfiltsv + 1 |
|
|
STOP 1 |
|
|
END IF |
|
|
IF (nfilvs>jjm-jfiltsv+3) THEN |
|
|
PRINT *, ' le parametre nfilvs utilise pour la matrice ', & |
|
|
' matricevs est trop grand ! Gachis de memoire ! ' |
|
|
PRINT *, ' Le changer dans parafilt.h et le mettre a ', & |
|
|
jjm - jfiltsv + 1 |
|
|
PRINT *, ' Pour information , nfilun,nfilus,nfilvn,nfilvs ', & |
|
|
'doivent etre egaux successivement a ', jfiltnu, jjm - jfiltsu + 1, & |
|
|
jfiltnv, jjm - jfiltsv + 1 |
|
|
END IF |
|
|
|
|
|
! ... Calcul de la matrice filtre 'matriceu' pour les champs situes |
|
|
! sur la grille scalaire ........ |
|
|
|
|
|
DO j = 2, jfiltnu |
|
|
|
|
|
DO i = 1, iim |
|
|
coff = coefilu(i,j) |
|
|
IF (i<modfrstu(j)) coff = 0. |
|
|
DO k = 1, iim |
|
|
eignft(i,k) = eignfnv(k,i)*coff |
|
|
END DO |
|
|
END DO |
|
|
DO k = 1, iim |
|
|
DO i = 1, iim |
|
|
matriceun(i,k,j) = 0.0 |
|
|
DO ii = 1, iim |
|
|
matriceun(i,k,j) = matriceun(i,k,j) + eignfnv(i,ii)*eignft(ii,k) |
|
|
END DO |
|
|
END DO |
|
|
END DO |
|
|
|
|
|
END DO |
|
|
|
|
|
DO j = jfiltsu, jjm |
|
|
|
|
|
DO i = 1, iim |
|
|
coff = coefilu(i,j) |
|
|
IF (i<modfrstu(j)) coff = 0. |
|
|
DO k = 1, iim |
|
|
eignft(i,k) = eignfnv(k,i)*coff |
|
|
END DO |
|
|
END DO |
|
|
DO k = 1, iim |
|
|
DO i = 1, iim |
|
|
matriceus(i,k,j-jfiltsu+1) = 0.0 |
|
|
DO ii = 1, iim |
|
|
matriceus(i,k,j-jfiltsu+1) = matriceus(i,k,j-jfiltsu+1) + & |
|
|
eignfnv(i,ii)*eignft(ii,k) |
|
|
END DO |
|
|
END DO |
|
|
END DO |
|
|
|
|
|
END DO |
|
|
|
|
|
! ................................................................... |
|
|
|
|
|
! ... Calcul de la matrice filtre 'matricev' pour les champs situes |
|
|
! sur la grille de V ou de Z ........ |
|
|
! ................................................................... |
|
|
|
|
|
DO j = 1, jfiltnv |
|
|
|
|
|
DO i = 1, iim |
|
|
coff = coefilv(i,j) |
|
|
IF (i<modfrstv(j)) coff = 0. |
|
|
DO k = 1, iim |
|
|
eignft(i,k) = eignfnu(k,i)*coff |
|
|
END DO |
|
|
END DO |
|
|
DO k = 1, iim |
|
|
DO i = 1, iim |
|
|
matricevn(i,k,j) = 0.0 |
|
|
DO ii = 1, iim |
|
|
matricevn(i,k,j) = matricevn(i,k,j) + eignfnu(i,ii)*eignft(ii,k) |
|
|
END DO |
|
|
END DO |
|
|
END DO |
|
|
|
|
|
END DO |
|
|
|
|
|
DO j = jfiltsv, jjm |
|
|
|
|
|
DO i = 1, iim |
|
|
coff = coefilv(i,j) |
|
|
IF (i<modfrstv(j)) coff = 0. |
|
|
DO k = 1, iim |
|
|
eignft(i,k) = eignfnu(k,i)*coff |
|
|
END DO |
|
|
END DO |
|
|
DO k = 1, iim |
|
|
DO i = 1, iim |
|
|
matricevs(i,k,j-jfiltsv+1) = 0.0 |
|
|
DO ii = 1, iim |
|
|
matricevs(i,k,j-jfiltsv+1) = matricevs(i,k,j-jfiltsv+1) + & |
|
|
eignfnu(i,ii)*eignft(ii,k) |
|
|
END DO |
|
|
END DO |
|
|
END DO |
|
|
|
|
|
END DO |
|
|
|
|
|
! ................................................................... |
|
|
|
|
|
! ... Calcul de la matrice filtre 'matrinv' pour les champs situes |
|
|
! sur la grille scalaire , pour le filtre inverse ........ |
|
|
! ................................................................... |
|
|
|
|
|
DO j = 2, jfiltnu |
|
|
|
|
|
DO i = 1, iim |
|
|
coff = coefilu(i,j)/(1.+coefilu(i,j)) |
|
|
IF (i<modfrstu(j)) coff = 0. |
|
|
DO k = 1, iim |
|
|
eignft(i,k) = eignfnv(k,i)*coff |
|
|
END DO |
|
|
END DO |
|
|
DO k = 1, iim |
|
|
DO i = 1, iim |
|
|
matrinvn(i,k,j) = 0.0 |
|
|
DO ii = 1, iim |
|
|
matrinvn(i,k,j) = matrinvn(i,k,j) + eignfnv(i,ii)*eignft(ii,k) |
|
|
END DO |
|
|
END DO |
|
|
END DO |
|
|
|
|
|
END DO |
|
|
|
|
|
DO j = jfiltsu, jjm |
|
|
|
|
|
DO i = 1, iim |
|
|
coff = coefilu(i,j)/(1.+coefilu(i,j)) |
|
|
IF (i<modfrstu(j)) coff = 0. |
|
|
DO k = 1, iim |
|
|
eignft(i,k) = eignfnv(k,i)*coff |
|
|
END DO |
|
|
END DO |
|
|
DO k = 1, iim |
|
|
DO i = 1, iim |
|
|
matrinvs(i,k,j-jfiltsu+1) = 0.0 |
|
|
DO ii = 1, iim |
|
|
matrinvs(i,k,j-jfiltsu+1) = matrinvs(i,k,j-jfiltsu+1) + & |
|
|
eignfnv(i,ii)*eignft(ii,k) |
|
|
END DO |
|
|
END DO |
|
|
END DO |
|
|
|
|
|
END DO |
|
288 |
|
|
289 |
334 FORMAT (1X,24I3) |
END SUBROUTINE inifilr |
|
755 FORMAT (1X,6F10.3,I3) |
|
290 |
|
|
291 |
END SUBROUTINE inifilr |
end module inifilr_m |