| 1 |
C $Header: /u/gcmpack/MITgcm/pkg/fizhi/fizhi_alarms.F,v 1.8 2004/07/29 15:21:50 molod Exp $ |
| 2 |
C $Name: $ |
| 3 |
|
| 4 |
#include "FIZHI_OPTIONS.h" |
| 5 |
subroutine fizhi_alarms (nymdb,nhmsb,deltaT) |
| 6 |
|
| 7 |
C*********************************************************************** |
| 8 |
C Purpose |
| 9 |
C ------- |
| 10 |
C Driver to Set Internal Model Alarms |
| 11 |
C |
| 12 |
C Argument Description |
| 13 |
C -------------------- |
| 14 |
C nymdb ..... Begining Date to Start Alarm Clock |
| 15 |
C nhmsb ..... Begining Time to Start Alarm Clock |
| 16 |
C ndt ....... Model Timestep |
| 17 |
C |
| 18 |
C Note: For ndt = 0, all Intermal Model Alarms are set to 1 second |
| 19 |
C |
| 20 |
C*********************************************************************** |
| 21 |
implicit none |
| 22 |
|
| 23 |
c Input Parameters |
| 24 |
c ---------------- |
| 25 |
integer nymdb,nhmsb |
| 26 |
_RL deltaT |
| 27 |
|
| 28 |
c MPI Utilities |
| 29 |
c ------------- |
| 30 |
#ifdef ALLOW_USE_MPI |
| 31 |
#include "mpif.h" |
| 32 |
integer ierror |
| 33 |
#endif |
| 34 |
integer myid |
| 35 |
|
| 36 |
c Physics Frequencies |
| 37 |
c ------------------- |
| 38 |
integer ndt |
| 39 |
integer nhmsf, m,n, nd |
| 40 |
integer ndlw, ndsw, ndturb, ndmoist |
| 41 |
|
| 42 |
#ifdef ALLOW_USE_MPI |
| 43 |
call mpi_comm_rank ( mpi_comm_world,myid,ierror ) |
| 44 |
#else |
| 45 |
myid = 1 |
| 46 |
#endif |
| 47 |
|
| 48 |
ndt = deltaT |
| 49 |
|
| 50 |
if( ndt.ne.0 ) then |
| 51 |
|
| 52 |
C Longwave Radiation Frequency |
| 53 |
ndlw = 030000 |
| 54 |
C Shortwave Radiation Frequency |
| 55 |
ndsw = 010000 |
| 56 |
|
| 57 |
c Turbulence |
| 58 |
c ---------- |
| 59 |
ndturb = 2*int( max(1.0,(300./iabs(ndt)+0.5)/2) ) * iabs(ndt) |
| 60 |
|
| 61 |
n = 1 |
| 62 |
m = -1 |
| 63 |
nd = ndturb |
| 64 |
do while ( mod(3*3600,nd).ne.0 ) |
| 65 |
nd = ndturb + 2*n*m*ndt |
| 66 |
m = -m |
| 67 |
n = n+1 |
| 68 |
if( nd.lt.ndt ) then |
| 69 |
if( myid.eq.1 ) then |
| 70 |
print * |
| 71 |
print *, 'Turbulence cannot occur with Model Timestep = ',ndt |
| 72 |
print * |
| 73 |
endif |
| 74 |
call my_finalize |
| 75 |
call my_exit (101) |
| 76 |
endif |
| 77 |
enddo |
| 78 |
ndturb = nhmsf( nd ) |
| 79 |
|
| 80 |
c Moist Processes |
| 81 |
c --------------- |
| 82 |
ndmoist = int( 600./iabs(ndt) + 0.5 ) * iabs(ndt) |
| 83 |
|
| 84 |
n = 1 |
| 85 |
m = -1 |
| 86 |
nd = ndmoist |
| 87 |
do while ( mod(3*3600,nd).ne.0 ) |
| 88 |
nd = ndmoist + n*m*ndt |
| 89 |
m = -m |
| 90 |
n = n+1 |
| 91 |
if( nd.lt.ndt ) then |
| 92 |
if( myid.eq.1 ) then |
| 93 |
print * |
| 94 |
print *, 'Convection cannot occur with Model Timestep = ',ndt |
| 95 |
print * |
| 96 |
endif |
| 97 |
call my_finalize |
| 98 |
call my_exit (101) |
| 99 |
endif |
| 100 |
enddo |
| 101 |
ndmoist = nhmsf( nd ) |
| 102 |
|
| 103 |
else |
| 104 |
|
| 105 |
c For NDT = 0, all Alarms set to 1 second |
| 106 |
c --------------------------------------- |
| 107 |
C Longwave Radiation Frequency |
| 108 |
ndlw = 000001 |
| 109 |
C Shortwave Radiation Frequency |
| 110 |
ndsw = 000001 |
| 111 |
C Turbulence Frequency |
| 112 |
ndturb = 000001 |
| 113 |
C Moist Processes Frequency |
| 114 |
ndmoist = 000001 |
| 115 |
|
| 116 |
endif |
| 117 |
|
| 118 |
c Set Alarm Clocks |
| 119 |
c ---------------- |
| 120 |
|
| 121 |
ndlw = 000730 |
| 122 |
ndsw = 000730 |
| 123 |
ndmoist = 000730 |
| 124 |
ndturb = 000730 |
| 125 |
|
| 126 |
call set_alarm ( 'radsw',nymdb,nhmsb,ndsw ) |
| 127 |
call set_alarm ( 'radlw',nymdb,nhmsb,ndlw ) |
| 128 |
call set_alarm ( 'turb' ,nymdb,nhmsb,ndturb ) |
| 129 |
call set_alarm ( 'moist',nymdb,nhmsb,ndmoist ) |
| 130 |
call set_alarm ( 'pnt',nymdb,nhmsb,0 ) |
| 131 |
|
| 132 |
return |
| 133 |
end |
Parent Directory
| 
Revision Log
| 
Revision Graph