dyn3d/Dissipation/inidissip.f

module inidissip_m

  use dimens_m, only: llm

  IMPLICIT NONE

  private llm

  REAL dtdiss ! in s
  integer idissip ! période de la dissipation (en pas de temps)
  real tetaudiv(llm), tetaurot(llm), tetah(llm) ! in s-1
  real cdivu, crot, cdivh

contains

  SUBROUTINE inidissip

    ! From dyn3d/inidissip.F, version 1.1.1.1 2004/05/19 12:53:06

    ! Initialisation de la dissipation horizontale. Calcul des valeurs
    ! propres des opérateurs par méthode itérative.

    USE comconst, ONLY: dtvr
    use comdissnew, only: nitergdiv, nitergrot, niterh, tetagdiv, tetagrot, &
         tetatemp
    USE disvert_m, ONLY: preff, presnivs
    USE conf_gcm_m, ONLY: iperiod
    USE dimens_m, ONLY: iim, jjm
    use divgrad2_m, only: divgrad2
    use filtreg_m, only: filtreg
    use gradiv2_m, only: gradiv2
    use jumble, only: new_unit
    use nxgraro2_m, only: nxgraro2
    USE paramet_m, ONLY: jjp1

    ! Variables local to the procedure:
    REAL zvert(llm), max_zvert ! no dimension
    REAL, dimension(iim + 1, jjm + 1, 1):: zh, zu, gx, divgra, deltap
    real zv(iim + 1, jjm, 1), gy(iim + 1, jjm, 1)
    REAL zllm
    INTEGER l, seed_size, ii, unit
    REAL tetamin ! in s

    !-----------------------------------------------------------------------

    PRINT *, 'Call sequence information: inidissip'
    call random_seed(size=seed_size)
    call random_seed(put=(/(1, ii = 1, seed_size)/))

    PRINT *, 'Calcul des valeurs propres de divgrad'
    deltap = 1.
    call random_number(zh)
    zh = zh - 0.5
    CALL filtreg(zh, direct = .true., intensive = .true.)

    DO l = 1, 50
       CALL divgrad2(1, zh, deltap, niterh, divgra, -1.)
       zllm = abs(maxval(divgra))
       zh = divgra / zllm
    END DO

    cdivh = 1. / zllm
    PRINT *, 'cdivh = ', cdivh

    PRINT *, 'Calcul des valeurs propres de gradiv'
    call random_number(zu)
    zu = zu - 0.5
    CALL filtreg(zu, direct = .true., intensive = .true.)
    call random_number(zv)
    zv = zv - 0.5
    CALL filtreg(zv, direct = .true., intensive = .true.)

    DO l = 1, 50
       CALL gradiv2(zu, zv, nitergdiv, gx, gy, -1.)
       zllm = max(abs(maxval(gx)), abs(maxval(gy)))
       zu = gx / zllm
       zv = gy / zllm
    end DO

    cdivu = 1. / zllm
    PRINT *, 'cdivu = ', cdivu

    PRINT *, 'Calcul des valeurs propres de nxgrarot'
    call random_number(zu)
    zu = zu - 0.5
    CALL filtreg(zu, direct = .true., intensive = .true.)
    call random_number(zv)
    zv = zv - 0.5
    CALL filtreg(zv, direct = .true., intensive = .true.)

    DO l = 1, 50
       CALL nxgraro2(zu, zv, nitergrot, gx, gy, -1.)
       zllm = max(abs(maxval(gx)), abs(maxval(gy)))
       zu = gx / zllm
       zv = gy / zllm
    end DO

    crot = 1. / zllm
    PRINT *, 'crot = ', crot

    ! Variation verticale du coefficient de dissipation :
    zvert = 2. - 1. / (1. + (preff / presnivs - 1.)**2)
    ! (between 1 and 2)

    tetaudiv = zvert / tetagdiv
    tetaurot = zvert / tetagrot
    tetah = zvert / tetatemp

    max_zvert = maxval(zvert)
    tetamin = min(1e6, tetagdiv / max_zvert, tetagrot / max_zvert, &
         tetatemp / max_zvert)
    PRINT *, 'tetamin = ', tetamin
    idissip = max(1, int(tetamin / (2 * dtvr * iperiod))) * iperiod
    PRINT *, 'idissip = ', idissip
    dtdiss = idissip * dtvr
    PRINT *, 'dtdiss = ', dtdiss, "s"

    call new_unit(unit)
    open(unit, file="inidissip.csv", status="replace", action="write")

    ! Title line:
    write(unit, fmt=*) '"presnivs (hPa)" "dtdiss * tetaudiv" ' &
         // '"dtdiss * tetaurot" "dtdiss * tetah"'

    do l = 1, llm
       write(unit, fmt=*) presnivs(l) / 100., dtdiss * tetaudiv(l), &
            dtdiss * tetaurot(l), dtdiss * tetah(l)
    end do
    close(unit)
    print *, 'Created file "inidissip.csv".'

  END SUBROUTINE inidissip

end module inidissip_m
1	guez	26	module inidissip_m
2	guez	3
3	guez	26	use dimens_m, only: llm
4	guez	3
5	guez	26	IMPLICIT NONE
6	guez	3
7	guez	26	private llm
8	guez	3
9	guez	57	REAL dtdiss ! in s
10	guez	47	integer idissip ! période de la dissipation (en pas de temps)
11	guez	65	real tetaudiv(llm), tetaurot(llm), tetah(llm) ! in s-1
12	guez	26	real cdivu, crot, cdivh
13	guez	3
14	guez	26	contains
15	guez	3
16	guez	27	SUBROUTINE inidissip
17	guez	3
18	guez	26	! From dyn3d/inidissip.F, version 1.1.1.1 2004/05/19 12:53:06
19	guez	3
20	guez	54	! Initialisation de la dissipation horizontale. Calcul des valeurs
21			! propres des opérateurs par méthode itérative.
22
23	guez	64	USE comconst, ONLY: dtvr
24			use comdissnew, only: nitergdiv, nitergrot, niterh, tetagdiv, tetagrot, &
25			tetatemp
26	guez	66	USE disvert_m, ONLY: preff, presnivs
27	guez	64	USE conf_gcm_m, ONLY: iperiod
28			USE dimens_m, ONLY: iim, jjm
29	guez	65	use divgrad2_m, only: divgrad2
30	guez	27	use filtreg_m, only: filtreg
31	guez	54	use gradiv2_m, only: gradiv2
32	guez	57	use jumble, only: new_unit
33	guez	65	use nxgraro2_m, only: nxgraro2
34	guez	64	USE paramet_m, ONLY: jjp1
35	guez	3
36	guez	26	! Variables local to the procedure:
37	guez	57	REAL zvert(llm), max_zvert ! no dimension
38			REAL, dimension(iim + 1, jjm + 1, 1):: zh, zu, gx, divgra, deltap
39			real zv(iim + 1, jjm, 1), gy(iim + 1, jjm, 1)
40	guez	40	REAL zllm
41	guez	54	INTEGER l, seed_size, ii, unit
42	guez	27	REAL tetamin ! in s
43	guez	3
44	guez	26	!-----------------------------------------------------------------------
45	guez	3
46	guez	26	PRINT *, 'Call sequence information: inidissip'
47	guez	54	call random_seed(size=seed_size)
48	guez	71	call random_seed(put=(/(1, ii = 1, seed_size)/))
49	guez	3
50	guez	54	PRINT *, 'Calcul des valeurs propres de divgrad'
51	guez	40	deltap = 1.
52	guez	54	call random_number(zh)
53			zh = zh - 0.5
54	guez	107	CALL filtreg(zh, direct = .true., intensive = .true.)
55	guez	3
56	guez	26	DO l = 1, 50
57	guez	64	CALL divgrad2(1, zh, deltap, niterh, divgra, -1.)
58	guez	57	zllm = abs(maxval(divgra))
59			zh = divgra / zllm
60	guez	26	END DO
61	guez	3
62	guez	64	cdivh = 1. / zllm
63	guez	54	PRINT *, 'cdivh = ', cdivh
64	guez	3
65	guez	54	PRINT *, 'Calcul des valeurs propres de gradiv'
66			call random_number(zu)
67			zu = zu - 0.5
68	guez	107	CALL filtreg(zu, direct = .true., intensive = .true.)
69	guez	54	call random_number(zv)
70			zv = zv - 0.5
71	guez	107	CALL filtreg(zv, direct = .true., intensive = .true.)
72	guez	3
73	guez	54	DO l = 1, 50
74	guez	64	CALL gradiv2(zu, zv, nitergdiv, gx, gy, -1.)
75	guez	57	zllm = max(abs(maxval(gx)), abs(maxval(gy)))
76			zu = gx / zllm
77			zv = gy / zllm
78	guez	54	end DO
79	guez	3
80	guez	64	cdivu = 1. / zllm
81	guez	54	PRINT *, 'cdivu = ', cdivu
82	guez	3
83	guez	54	PRINT *, 'Calcul des valeurs propres de nxgrarot'
84			call random_number(zu)
85			zu = zu - 0.5
86	guez	107	CALL filtreg(zu, direct = .true., intensive = .true.)
87	guez	54	call random_number(zv)
88			zv = zv - 0.5
89	guez	107	CALL filtreg(zv, direct = .true., intensive = .true.)
90	guez	3
91	guez	54	DO l = 1, 50
92	guez	65	CALL nxgraro2(zu, zv, nitergrot, gx, gy, -1.)
93	guez	57	zllm = max(abs(maxval(gx)), abs(maxval(gy)))
94			zu = gx / zllm
95			zv = gy / zllm
96	guez	54	end DO
97
98	guez	64	crot = 1. / zllm
99	guez	26	PRINT *, 'crot = ', crot
100	guez	3
101	guez	26	! Variation verticale du coefficient de dissipation :
102	guez	27	zvert = 2. - 1. / (1. + (preff / presnivs - 1.)**2)
103			! (between 1 and 2)
104	guez	3
105	guez	26	tetaudiv = zvert / tetagdiv
106			tetaurot = zvert / tetagrot
107			tetah = zvert / tetatemp
108	guez	54
109	guez	27	max_zvert = maxval(zvert)
110	guez	54	tetamin = min(1e6, tetagdiv / max_zvert, tetagrot / max_zvert, &
111	guez	27	tetatemp / max_zvert)
112	guez	26	PRINT *, 'tetamin = ', tetamin
113	guez	27	idissip = max(1, int(tetamin / (2 * dtvr * iperiod))) * iperiod
114	guez	26	PRINT *, 'idissip = ', idissip
115			dtdiss = idissip * dtvr
116	guez	57	PRINT *, 'dtdiss = ', dtdiss, "s"
117	guez	26
118	guez	65	call new_unit(unit)
119			open(unit, file="inidissip.csv", status="replace", action="write")
120
121			! Title line:
122			write(unit, fmt=) '"presnivs (hPa)" "dtdiss tetaudiv" ' &
123			// '"dtdiss * tetaurot" "dtdiss * tetah"'
124
125			do l = 1, llm
126			write(unit, fmt=) presnivs(l) / 100., dtdiss tetaudiv(l), &
127			dtdiss * tetaurot(l), dtdiss * tetah(l)
128			end do
129			close(unit)
130			print *, 'Created file "inidissip.csv".'
131
132	guez	26	END SUBROUTINE inidissip
133
134			end module inidissip_m