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initialization.f90
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!----------------------------------------------------------------------
SUBROUTINE READ_CONFIG (LO,LA,TEND,TMIN_INV,INI_SURF, &
WAVE_INFO,FAULT_INFO,LANDSLIDE_INFO, &
BCI_INFO,START_TYPE,START_TIME,BC_TYPE, &
OUT_OPT,JOB)
!......................................................................
!DESCRIPTION:
! #. OBTAIN ALL THE PARAMETERS FROM COMCOT.CTL;
! #. START_TYPE =
! 0: COLD START (SIMULATION STARTS FROM T = 0)
! 1: HOT START (SIMULATION STARTS FROM RESUMING TIME)
! 20: COLD START WITH TIDE LEVEL ADJUSTMENT
! 21: HOT START WITH TIDE LEVEL ADJUSTMENT
! #. INI_SURF =
! 0: USE FAULT MODEL TO DETERMINE SEAFLOOR DEFORMATION
! 1: USE DATA FILE TO DETERMINE INITIAL WATER SURFACE
! 2: USE INCIDENT WAVE MODEL TO GENERATE WAVES
! 3: USE TRANSIENT FLOOR MOTION MODEL (LANDSLIDE);
! 4: USE FAULT MODEL + LANDSLIDE;
! FAULT_MULTI.CTL IS REQUIRED FOR MULTI-FAULT SETUP;
! 9: USE MANSINHA AND SMYLIES' MODEL TO CALC DEFORMATION
!INPUT:
! #. COMCOT.CTL (AND FAULT_MULTI.CTL FOR MORE THAN ONE FAULT PLANE)
!OUTPUT:
! #. GENERAL INFORMAITON FOR A SIMULATION;
! #. GRID SETUP;
!NOTES:
! #. CREATED INITIALLY BY TOM LOGAN, ARSC (2005)
! #. MODIFIED BY XIAOMING WANG (SEP 2005)
! #. UPDATED ON SEP17 2006 (XIAOMING WANG, CORNELL UNIV.)
! #. UPDATED ON NOV 21 2008 (XIAOMING WANG, GNS)
! #. UPDATED ON DEC 22 2008 (XIAOMING WANG, GNS)
! #. UPDATED ON JAN05 2009 (XIAOMING WANG, GNS)
! #. UPDATED ON APR03 2009 (XIAOMING WANG)
! 1. IMPROVE COUPLING SCHEME BETWEEN SPHERICAL AND CARTESIAN
! #. UPDATED ON APR09 2009 (XIAOMING WANG, GNS)
! 1. ADD SUPPORT ON IMPORTING MULTIPLE FAULT PLANE PARAMETERS
! FROM A DATA FILE;
!-------------------------------------------------------------------------
USE LAYER_PARAMS
USE WAVE_PARAMS
USE FAULT_PARAMS
USE LANDSLIDE_PARAMS
USE BCI_PARAMS
TYPE (LAYER) :: LO
TYPE (LAYER), DIMENSION(NUM_GRID) :: LA
TYPE (WAVE) :: WAVE_INFO
TYPE (FAULT),DIMENSION(NUM_FLT) :: FAULT_INFO
TYPE (LANDSLIDE) :: LANDSLIDE_INFO
TYPE (BCI) :: BCI_INFO
INTEGER :: INI_SURF
REAL :: TEND, TMIN_INV, FM, DT, H_LIMIT, START_TIME
REAL :: ARC
INTEGER :: I,J,K, LAYNUM,STAT,POS,PARENT
INTEGER :: COUNT
INTEGER :: BC_TYPE
INTEGER :: OUT_OPT
INTEGER :: START_TYPE,START_STEP
CHARACTER(LEN=200) :: LINE,LINE1,LINE2,LINE3
CHARACTER(LEN=200) :: DUMP,TMP,TMPNAME,FNAME
CHARACTER(LEN=200) :: JOB
COMMON /CONS/ ELMAX,GRAV,PI,R_EARTH,GX,EPS,ZERO,ONE,NUM_GRID, &
NUM_FLT,V_LIMIT,RAD_DEG,RAD_MIN
!LOAD CONTROL FILE COMCOT.CTL
WRITE(*,*) 'READING PARAMETERS FOR SIMULATION...'
OPEN(UNIT=666,FILE='comcot.ctl',STATUS='OLD',IOSTAT=ISTAT)
IF (ISTAT /=0) THEN
PRINT *,"ERROR:: CAN'T OPEN CONFIG FILE COMCOT.CTL; EXITING."
STOP
END IF
!----------------------------------------------
! READING GENERAL PARAMETERS FOR SIMULATION
!----------------------------------------------
WRITE (*,*) ' READING GENERAL INFORMATION......'
READ (666,'(8/)')
READ (666,'(A)') DUMP ! READ JOB DESCRIPTION
READ (666,'(49X,F30.6)') TEND ! TOTAL SIMULATED PHYSICAL TIME
READ (666,'(49X,F30.6)') TMIN_INV ! TIME INTERVAL FOR DATA OUTPUT
READ (666,'(49X,I30)') OUT_OPT ! 0-OUTPUT MAX TSUNAI AMP; 1-OUTPUT TIMEHISTORY; 2-OUTPUT BOTH
READ (666,'(49X,I30)') START_TYPE ! 0-COLD START (T=0.0); 1-HOT START (FROM T = START_TIME); 20-COLDSTART WITH TIDE CORRECTION; 21-HOTSTART WITH TIDE CORRECTION
READ (666,'(49X,F30.6)') START_TIME ! STARTING TIME STEP IF HOT START
READ (666,'(49X,F30.6)') H_LIMIT ! LIMITATION ON WATER DEPTH, SHALLOWER THAN THIS WILL BE TREATED AS LAND; 0.0 MEANS ORIGINAL SHORELINE WITHOUT VERTICAL WALL
READ (666,'(49X,I30)') INI_SURF ! INITIAL CONDITION: 0-FAULT; 1-FILE; 2-WAVEMAKER;3-LANDSLIDE;4-FAULT+LANDSLIDE
READ (666,'(49X,I30)') BC_TYPE ! BOUNDARY CONDITION: 0- RADIATION;1-SPONGE;2-WALL;3-FACTS
READ (666,'(A)') LINE1 ! READ FILE NAME OF Z INPUT
READ (666,'(A)') LINE2 ! READ FILE NAME OF U INPUT
READ (666,'(A)') LINE3 ! READ FILE NAME OF V INPUT
JOB = DUMP
POS = INDEX(LINE1,':')
IF (POS>0) THEN
BCI_INFO%FNAMEH = TRIM(LINE1(POS+1:200))
ELSE
BCI_INFO%FNAMEH = ' '
ENDIF
LINE1 = ''
POS = INDEX(LINE2,':')
IF (POS>0) THEN
BCI_INFO%FNAMEU = TRIM(LINE2(POS+1:200))
ELSE
BCI_INFO%FNAMEU = ' '
ENDIF
LINE2 = ''
POS = INDEX(LINE3,':')
IF (POS>0) THEN
BCI_INFO%FNAMEV = TRIM(LINE3(POS+1:200))
ELSE
BCI_INFO%FNAMEV = ' '
ENDIF
LINE3 = ''
IF (BC_TYPE.EQ.3) INI_SURF = 999
!----------------------------------------
! READING PARAMETERS FOR FAULT MODEL
!----------------------------------------
IF (INI_SURF.EQ.0 .OR. INI_SURF.EQ.4) THEN
WRITE (*,*) ' READING PARAMETERS FOR FAULT MODEL......'
ENDIF
READ (666,'(3/)')
READ (666,'(49X,I30)') FAULT_INFO(1)%NUM_FLT ! TOTAL NO. OF FAULT PLANES
IF (INI_SURF.EQ.0 .OR. INI_SURF.EQ.4) THEN
IF (FAULT_INFO(1)%NUM_FLT.GT.1) THEN
WRITE (*,*) ' MULTI-FAULTING CONFIGURATION IS IMPLEMENTED'
IF (FAULT_INFO(1)%NUM_FLT.NE.999) THEN
K = 1
WRITE (*,*) ' READING PARAMETERS FOR FAULT SEGMENT',K
ENDIF
ENDIF
ENDIF
READ (666,'(49X,F30.6)') FAULT_INFO(1)%T0 ! RUPTURING TIME OF FAULT PLANE 01
READ (666,'(49X,I30)') FAULT_INFO(1)%SWITCH ! OPTION: 1 - MODEL; 2 - DATA;
READ (666,'(49X,F30.6)') FAULT_INFO(1)%HH ! FOCAL DEPTH (UNIT: METER)
READ (666,'(49X,F30.6)') FAULT_INFO(1)%L ! LENGTH OF SOURCE AREA (UNIT: METER)
READ (666,'(49X,F30.6)') FAULT_INFO(1)%W ! WIDTH OF SOURCE AREA (UNIT: METER)
READ (666,'(49X,F30.6)') FAULT_INFO(1)%D ! DISLOCATION (UNIT: METER)
READ (666,'(49X,F30.6)') FAULT_INFO(1)%TH ! (=THETA) STRIKE DIRECTION (UNIT: DEGREE)
READ (666,'(49X,F30.6)') FAULT_INFO(1)%DL ! (=DELTA) DIP ANGLE (UNIT : DEGREE)
READ (666,'(49X,F30.6)') FAULT_INFO(1)%RD ! (=LAMDA) SLIP ANGLE (UNIT: DEGREE)
READ (666,'(49X,F30.6)') FAULT_INFO(1)%YO ! ORIGIN OF COMPUTATION (LATITUDE :DEGREE)
READ (666,'(49X,F30.6)') FAULT_INFO(1)%XO ! ORIGIN OF COMPUTATION (LONGITUDE:DEGREE)
READ (666,'(49X,F30.6)') FAULT_INFO(1)%Y0 ! EPICENTER (LATITUDE :DEGREE)
READ (666,'(49X,F30.6)') FAULT_INFO(1)%X0 ! EPICENTER (LONGITUDE:DEGREE)
READ (666,'(A)') LINE ! NAME OF DEFORMATION DATA FILE
READ (666,'(49X,I30)') FAULT_INFO(1)%FS ! FORMAT OF DEFORMATION FILE:0-COMCOT;1-MOST;2-XYZ
POS = INDEX(LINE,':')
IF (POS>0) THEN
FAULT_INFO(1)%DEFORM_NAME = TRIM(LINE(POS+1:200))
ELSE
FAULT_INFO(1)%DEFORM_NAME = 'ini_surface.dat'
ENDIF
LINE = ''
SN = SIN(RAD_DEG*FAULT_INFO(1)%DL)
CS = COS(RAD_DEG*FAULT_INFO(1)%DL)
IF (ABS(SN) .LT. EPS) FAULT_INFO(1)%DL = FAULT_INFO(1)%DL+EPS
IF (ABS(CS) .LT. EPS) FAULT_INFO(1)%DL = FAULT_INFO(1)%DL+EPS
! READING PARAMETERS FOR OTHER FAULT PLANES IF > 1
IF (INI_SURF.EQ.0 .OR. INI_SURF.EQ.4) THEN
IF (FAULT_INFO(1)%NUM_FLT.GT.1) THEN
IF (FAULT_INFO(1)%NUM_FLT.NE.999) THEN
CALL GET_MULTIFAULT_PARAMETERS (LO,FAULT_INFO)
ELSE
CALL READ_MULTIFAULT_DATA (LO,FAULT_INFO)
ENDIF
ENDIF
ENDIF
!----------------------------------------
! READING PARAMETERS FOR WAVE MAKER
!----------------------------------------
IF (INI_SURF .EQ. 2) THEN
WRITE (*,*) ' READING PARAMETERS FOR WAVE MAKER......'
ENDIF
READ (666,'(3/)')
READ (666,'(49X,I30)') WAVE_INFO%MK_TYPE ! WAVE TYPE ( 1:SOLITARY WAVE; 2:GIVEN FORM)
READ (666,'(A)') LINE ! FILENAME OF CUSTOMIZED INPUT PROFILE, ONLY FOR WAVE TYPE=2
READ (666,'(49X,I30)') WAVE_INFO%INCIDENT ! WAVE INCIDENT DIRECTION: (1:TOP,2:BOTTOM,3:LEFT,4RIGHT)
READ (666,'(49X,F30.6)') WAVE_INFO%AMP ! CHARACTERISTIC WAVE HEIGHT (UNIT: METER)
READ (666,'(49X,F30.6)') WAVE_INFO%DEPTH ! CHARACTERISTIC WATER DEPTH (IN METERS)
! OBTAIN FILENAME OF GIVEN PROFILE
POS = INDEX(LINE,':')
IF (POS>0) THEN
WAVE_INFO%FORM_NAME = TRIM(LINE(POS+1:200))
ELSE
WAVE_INFO%FORM_NAME = 'fse.dat'
ENDIF
LINE = ''
WAVE_INFO%WK_END = TEND
WAVE_INFO%MK_BC = 0
!-----------------------------------------
!READING PARAMETERS FOR LAND SLIDE MODEL
!----------------------------------------
IF (INI_SURF .EQ. 3) THEN
WRITE (*,*) ' READING PARAMETERS FOR LAND SLIDE MODEL......'
ENDIF
READ (666,'(3/)')
READ (666,'(49X,F30.6)') LANDSLIDE_INFO%X_START ! STARTING X COORD. OF LAND SLIDE REGION
READ (666,'(49X,F30.6)') LANDSLIDE_INFO%X_END ! ENDING X COORD. OF LAND SLIDE REGION
READ (666,'(49X,F30.6)') LANDSLIDE_INFO%Y_START ! STARTING Y COORD. OF LAND SLIDE REGION
READ (666,'(49X,F30.6)') LANDSLIDE_INFO%Y_END ! ENDING Y COORD. OF LAND SLIDE REGION
READ (666,'(A)') LINE ! NAME OF LANDSLIDE SNAPSHOT DATA FILE
READ (666,'(49X,I30)') LANDSLIDE_INFO%OPTION ! FORMAT OF LANDSLIDE:0-OLD COMCOT;1-XYT;2-FUNCTION
POS = INDEX(LINE,':')
IF (POS>0) THEN
LANDSLIDE_INFO%FILENAME = TRIM(LINE(POS+1:200))
ENDIF
! WRITE(*,*) LO%DEPTH_NAME
LINE = ''
!-----------------------------------------
! READING PARAMETERS FOR LAYER 1
!-----------------------------------------
WRITE (*,*) ' READING PARAMETERS FOR GRID LAYER......'
READ (666,'(5/)')
READ (666,'(49X,I30)') LO%LAYSWITCH ! SWITCH TO THIS LAYER:0-RUN THIS LAYER;1-DON'T RUN THIS LAYER
READ (666,'(49X,I30)') LO%LAYCORD ! COORDINATES: 0-SPHERICAL; 1-CARTESIAN
READ (666,'(49X,I30)') LO%LAYGOV ! GOVERNING EQUATION: 0-LINEAR SWE; 1-NONLINEAR SWE; 2-LSWE W/ DISP.; 3-NLSWE W/ DISP.
READ (666,'(49X,F30.6)') LO%DX ! GRID SIZE; IN MUNITES FOR SPHERICAL COORD., IN METERS FOR CARTESIAN
READ (666,'(49X,F30.6)') LO%DT ! TIME STEP SIZE, IN SECONDS; WILL BE ADJUSTED IF CFL STABILITY CONDITION NOT SATISFIED;
READ (666,'(49X,I30)') LO%FRIC_SWITCH ! FRICTION SWITCH: 0-CONSTANT ROUGHNESS;1-NO ROUGHNESS;2-VARIABLE ROUGHNESS, ROUGHNESS DATA FILE REQUIRED;
READ (666,'(49X,F30.6)') LO%FRIC_COEF ! MANNING'S ROUGHNESS COEF FOR FRICTION SWITCH = 0;
READ (666,'(49X,I30)') LO%FLUXSWITCH ! OUTPUT OPTION: 0-Z+HU+HZ; 1-Z; 2-NONE; 9-Z W/ MODIFIED BATHYMETRY;
READ (666,'(49X,F30.6)') LO%X_START ! STARTING X COORDINATE OF COMPUTATIONAL DOMAIN
READ (666,'(49X,F30.6)') LO%X_END ! ENDING X COORDINATE OF COMPUTATIONAL DOMAIN
READ (666,'(49X,F30.6)') LO%Y_START ! STARTING Y COORDINATE OF COMPUTATIONAL DOMAIN
READ (666,'(49X,F30.6)') LO%Y_END ! ENDING Y COORDINATE OF COMPUTATIONAL DOMAIN
READ (666,'(A)') LINE ! NAME OF BATHYMETRY DATA FILE FOR LAYER01
READ (666,'(49X,I30)') LO%FS ! FORMAT OF BATHYMETRY DATA: 0-OLD COMCOT; 1-MOST-FORMATTED; 2-XYZ; 3-ETOPO
READ (666,'(49X,I30)') LO%ID ! GRID IDENTIIFCATION NUMBER
READ (666,'(49X,I30)') LO%LEVEL ! GRID LEVEL IN NESTED GRID HIERACHY
READ (666,'(49X,I30)') LO%PARENT ! ID OF IT'S PARENT GRID
POS = INDEX(LINE,':')
IF (POS>0) THEN
LO%DEPTH_NAME = TRIM(LINE(POS+1:200))
!* TMP = TRIM(LINE(POS+1:200))
!* POS = INDEX(TRIM(TMP),' ',BACK=.TRUE.)
!* LEN_CHAR = LEN_TRIM(TMP(POS+1:200))
!* LO%DEPTH_NAME = TRIM(TMP(POS+1:POS+LEN_CHAR))
ELSE
LO%DEPTH_NAME = 'layer01.dep'
ENDIF
!* WRITE(*,*) LEN_CHAR,LO%DEPTH_NAME
LINE = ''
LO%LAYSWITCH = 0
LO%ID = 1
! TIDAL LEVEL CORRECTION CONTRAL
LO%TIDE_LEVEL = 0.0 ! RUN AT MEAN SEA LEVEL
IF (START_TYPE.EQ.20 .OR. START_TYPE.EQ.21) THEN
IF (START_TYPE.EQ.20) START_TYPE = 0
IF (START_TYPE.EQ.21) START_TYPE = 1
WRITE (*,*) '>>>>PLEASE INPUT TIDAL LEVEL CORRECTION TO MSL:'
READ *, LO%TIDE_LEVEL
ENDIF
! GENERATE 'SQUARE' GRIDS FOR DISPERSION-IMPROVED SCHEME
IF (LO%LAYGOV.GE.2) LO%PARENT = 0
LO%DIM = 2
IF (BC_TYPE.EQ.9) LO%DIM = 1
!* LO%PARENT = -1
LO%H_LIMIT = H_LIMIT
LO%INI_SWITCH = INI_SURF
LO%BC_TYPE = BC_TYPE
LO%UPZ = .TRUE.
LO%SC_OPTION = 0
IF (LO%LAYCORD .EQ. 0) THEN
LO%SOUTH_LAT = LO%Y_START
ELSE
LO%SOUTH_LAT = FAULT_INFO(1)%YO
LO%XO = FAULT_INFO(1)%XO
LO%YO = FAULT_INFO(1)%YO
ENDIF
CALL DX_CALC (LO)
START_STEP = NINT(START_TIME/LO%DT)
IF (LO%LAYCORD.EQ.0) THEN
FAULT_INFO(1)%YO = LO%Y_START
FAULT_INFO(1)%XO = LO%X_START
ENDIF
WRITE (*,*) ' READING PARAMETERS FOR GRID LAYER ID',LO%ID
!----------------------------------------
! READING PARAMETERS FOR SUB-LEVEL GRIDS
!----------------------------------------
!.....READING PARAMETERS FOR SUB GRIDS
!.....READING PARAMETERS FOR SUB-LEVEL GRIDS: LAYER02 TO LAYER13
DO I=1,NUM_GRID
READ (666,'(3/)')
READ (666,'(49X,I30)') LA(I)%LAYSWITCH
READ (666,'(49X,I30)') LA(I)%LAYCORD
READ (666,'(49X,I30)') LA(I)%LAYGOV
READ (666,'(49X,I30)') LA(I)%FRIC_SWITCH
READ (666,'(49X,F30.6)') LA(I)%FRIC_COEF
READ (666,'(49X,I30)') LA(I)%FLUXSWITCH
READ (666,'(49X,I30)') LA(I)%REL_SIZE ! GRID SIZE RATIO OF IT'S PARENT GRID TO THIS GRID
READ (666,'(49X,F30.6)') LA(I)%X_START ! STARTING X COORDINATE OF THIS GRID LAYER IN ITS PARENT GRID
READ (666,'(49X,F30.6)') LA(I)%X_END ! ENDING X COORDINATE OF THIS GRID LAYER IN ITS PARENT GRID
READ (666,'(49X,F30.6)') LA(I)%Y_START ! STARTING Y COORDINATE OF THIS GRID LAYER IN ITS PARENT GRID
READ (666,'(49X,F30.6)') LA(I)%Y_END ! ENDING Y COORDINATE OF THIS GRID LAYER IN ITS PARENT GRID
READ (666,'(A)') LINE ! NAME OF BATHYMETRY DATA FILE FOR LAYER21
READ (666,'(49X,I30)') LA(I)%FS ! FORMAT OF BATHYMETRY DATA
READ (666,'(49X,I30)') LA(I)%ID ! GRID IDENTIFICATION NUMBER
READ (666,'(49X,I30)') LA(I)%LEVEL ! GRID LEVEL IN NESTED GRID CONFIGURATION
READ (666,'(49X,I30)') LA(I)%PARENT ! ID OF ITS PARENT GRID LAYER
POS = INDEX(LINE,':')
IF (POS>0) THEN
LA(I)%DEPTH_NAME = TRIM(LINE(POS+1:200))
ELSE
WRITE (FNAME,1) LA(I)%ID
1 FORMAT('layer',I2.2,'.dep')
LA(I)%DEPTH_NAME = FNAME
FNAME = ''
ENDIF
! WRITE(*,*) LA(I)%DEPTH_NAME
LINE = ''
LA(I)%H_LIMIT = H_LIMIT
LA(I)%TIDE_LEVEL = LO%TIDE_LEVEL
LA(I)%INI_SWITCH = INI_SURF
LA(I)%BC_TYPE = BC_TYPE
LA(I)%DIM = 2
IF (BC_TYPE .EQ. 9) LA(I)%DIM = 1
LA(I)%UPZ = .TRUE. ! UPZ=.TRUE.: SAME COORDINATES (DEFAULT); .FALSE. DIFFERENT COORDINATES DEFAULT
LA(I)%SC_OPTION = 0
IF (LA(I)%LAYSWITCH .EQ. 9) THEN
LA(I)%UPZ = .FALSE.
LA(I)%LAYSWITCH = 0
ENDIF
IF (LA(I)%LAYSWITCH .EQ. 0) THEN
WRITE (*,*) ' READING PARAMETERS FOR GRID LAYER ID',LA(I)%ID
ENDIF
ENDDO
CLOSE(666)
!.... PROCESSING DEPENDENT PARAMETERS FOR TOP LAYER
!DETERMINE THE NUMBER OF ITS CHILD GRID LAYERS
COUNT = 0
DO I=1,NUM_GRID
IF (LA(I)%LAYSWITCH.EQ.0 .and. LA(I)%PARENT.EQ.LO%ID) THEN
COUNT = COUNT+1
ENDIF
ENDDO
LO%NUM_CHILD = COUNT
CALL ALLOC(LO,1)
! READ FRICTION COEF. DATA FROM FILE
IF (LO%FRIC_SWITCH .EQ. 2) CALL READ_FRIC_COEF (LO)
! MATCH 2ND-LEVEL GRIDS WITH 1ST-LEVEL GRID
DO I=1,NUM_GRID
IF (LA(I)%LAYSWITCH.EQ.0 .AND. LA(I)%PARENT.EQ.LO%ID) THEN
IF (LO%LAYCORD.EQ.0 .AND. LA(I)%LAYCORD.EQ.1) THEN
!SC_OPTION = 0: TRADITIONAL COUPLING SCHEME
!SC_OPTION = 1: IMPROVED COUPLING SCHEME
LA(I)%SC_OPTION = 1
IF (LA(I)%UPZ .EQ. .FALSE.) THEN
LA(I)%SC_OPTION = 0
ENDIF
ENDIF
CALL SUBGRID_MATCHING(LO,LA(I))
CALL ALLOC(LA(I),2)
LA(I)%DT = LO%DT/2.0 !TENTATIVE VALUE
! READ FRICTION COEF. DATA FROM FILE
IF (LA(I)%FRIC_SWITCH .EQ. 2) CALL READ_FRIC_COEF (LA(I))
!DETERMINE THE NUMBER OF ITS CHILD GRID LAYERS
COUNT = 0
DO K = 1,NUM_GRID
IF (LA(K)%LAYSWITCH.EQ.0 .AND. &
LA(K)%PARENT.EQ.LA(I)%ID) THEN
COUNT = COUNT + 1
ENDIF
ENDDO
LA(I)%NUM_CHILD = COUNT
ENDIF
ENDDO
! MATCH 3 - 12TH LEVEL GRIDS WITH 2ND-LEVEL GRIDS
NUM_LEVEL = NUM_GRID+1
DO KL = 2,NUM_LEVEL
DO I=1,NUM_GRID
IF (LA(I)%LAYSWITCH.EQ.0 .AND. LA(I)%LEVEL.EQ.KL) THEN
DO J = 1,NUM_GRID
IF (LA(J)%LAYSWITCH.EQ.0 .AND. &
LA(J)%PARENT.EQ.LA(I)%ID) THEN
IF (LA(I)%LAYCORD.EQ.0 .AND. &
LA(J)%LAYCORD.EQ.1) THEN
!SC_OPTION = 0: TRADITIONAL COUPLING SCHEME
!SC_OPTION = 1: IMPROVED COUPLING SCHEME
LA(J)%SC_OPTION = 1
IF (LA(J)%UPZ .EQ. .FALSE.) THEN
LA(I)%SC_OPTION = 0
ENDIF
ENDIF
CALL SUBGRID_MATCHING(LA(I),LA(J))
CALL ALLOC(LA(J),KL+1)
LA(J)%DT = LA(I)%DT/2.0 !TENTATIVE VALUE
!READ FRICTION COEF. DATA FROM FILE
IF (LA(J)%FRIC_SWITCH .EQ. 2) THEN
CALL READ_FRIC_COEF (LA(J))
ENDIF
!DETERMINE THE NUMBER OF ITS CHILD GRID LAYERS
COUNT = 0
DO K = 1,NUM_GRID
IF (LA(K)%LAYSWITCH.EQ.0 .AND. &
LA(K)%PARENT.EQ.LA(J)%ID) THEN
COUNT = COUNT + 1
ENDIF
ENDDO
LA(J)%NUM_CHILD = COUNT
ENDIF
ENDDO
ENDIF
ENDDO
ENDDO
RETURN
END
!----------------------------------------------------------------------
SUBROUTINE GET_INI_SURF (LO,LA,INI_SURF,WAVE_INFO,FAULT_INFO, &
LANDSLIDE_INFO)
!......................................................................
!DESCRIPTION:
! #. OBTAIN INITIAL FREE SURFACE DISPLACEMENT FROM FAULT MODEL,
! CUSTOMIZED DATA FILE OR LANDSLIDE MODEL;
! #. INTERPOLATE FREE SURFACE DISPLACEMENT INTO NESTED GRID LAYERS;
! #. INI_SURF =
! 0: USE OKADA'S FAULT MODEL TO CALCULATE DEFORMATION
! 1: USE AN EXTERNAL FILE TO DETERMINE INITIAL SURFACE
! 2: USE INCIDENT WAVE MODEL TO DETERMINE INITIAL SURFACE
! 3: USE SUBMARINE LANDSLIDE MODEL
! 4: USE MULTIPLE FAULTS + LANDSLIDE (REQUIRE FAULT_MULTI.CTL)
! 9: USE MANSINHA AND SMYLIES' MODEL TO CALCULATE DEFORMATION
! #. FAULT MODELS ARE CALLED IN THIS SUBROUTINE
!INPUT:
! #. GRID INFORMATION, FAULT PARAMETERS
!OUTPUT:
! #. INITIAL WATER SURFACE DISPLACEMENTS OF ALL GRID LAYERS
! #. INITIAL SURFACE DISPLACEMENT IS SAVED IN INI_SURFACE.DAT
! #. SEAFLOOR DISPLACEMENTS ARE SAVED IN DEFORM_SEGXX.DAT
!NOTES:
! #. CREATED INITIALLY BY TOM LOGAN (ARSC,2005)
! #. UPDATED ON DEC 2005 (XIAOMING WANG, CORNELL UNIV.)
! #. UPDATED ON SEP17 2006 (XIAOMING WANG, CORNELL UNIV.)
! #. UPDATED ON NOV 21 2008 (XIAOMING WANG, GNS)
!----------------------------------------------------------------------
USE LAYER_PARAMS
USE WAVE_PARAMS
USE FAULT_PARAMS
USE LANDSLIDE_PARAMS
TYPE (LAYER) :: LO
TYPE (LAYER), DIMENSION(NUM_GRID) :: LA
TYPE (WAVE) :: WAVE_INFO
TYPE (FAULT),DIMENSION(NUM_FLT) :: FAULT_INFO
TYPE (LANDSLIDE) :: LANDSLIDE_INFO
COMMON /CONS/ ELMAX,GRAV,PI,R_EARTH,GX,EPS,ZERO,ONE,NUM_GRID, &
NUM_FLT,V_LIMIT,RAD_DEG,RAD_MIN
SELECT CASE (INI_SURF)
CASE (0)
!GENERATE DEFORMATION PROFILE FROM BUILT-IN FAULT MODEL
!REF.: OKADA (1985)
CALL GET_FLOOR_DEFORM (LO,LA,FAULT_INFO,0.0)
CASE (1)
!LOAD CUSTOMIZED WATER SURFACE DISPLACEMENT FROM A FILE
CALL READ_INI_SURFACE (LO,LA,FAULT_INFO)
CASE (2)
CALL READ_WAVE (WAVE_INFO)
CASE (3)
CALL READ_LANDSLIDE (LO,LANDSLIDE_INFO)
CASE (4)
CALL GET_FLOOR_DEFORM (LO,LA,FAULT_INFO,0.0)
CALL READ_LANDSLIDE (LO,LANDSLIDE_INFO)
CASE (9)
!GENERATE DEFORMATION PROFILE FROM BUILT-IN FAULT MODEL
!REF.: MANSINHA AND SMYLIE (1971)
CALL GET_FLOOR_DEFORM (LO,LA,FAULT_INFO,0.0)
END SELECT
!.....WRITE INITIAL CONDITION INTO DATA FILE NAMED "INI_SURFACE.DAT"
CALL WRITE_INI (LO)
RETURN
END
!----------------------------------------------------------------------
SUBROUTINE GET_MULTIFAULT_PARAMETERS (LO,FLT)
!......................................................................
!DESCRIPTION:
! #. OBTAIN FAULT PARAMETERS FOR SINGLE/MULTIPLE FAULT;
! #. FAULT_MULTI.CTL IS REQUIRED IF TOTAL NUMBER OF FAULT PLANES
! IS LARGER THAN 1
!INPUT:
! #. COMCOT.CTL AND FAULT_MULTI.CTL IF REQUIRED;
!OUTPUT:
! #. FAULT PARAMETERS FOR ALL FAULT PLANES INCLUDED;
!NOTES:
! #. CREATED ON DEC 18, 2008 (XIAOMING WANG, GNS)
! #. UPDATED ON DEC 21 2008 (XIAOMING WANG, GNS)
!----------------------------------------------------------------------
USE LAYER_PARAMS
USE FAULT_PARAMS
TYPE (LAYER) :: LO
TYPE (FAULT), dimension(NUM_FLT) :: FLT
REAL TIME, TEMP(LO%NX)
INTEGER NUM_FLT
CHARACTER(LEN=200) :: line,line1,line2,line3
CHARACTER(LEN=200) :: dump,tmp,tmpname,fname
COMMON /CONS/ ELMAX,GRAV,PI,R_EARTH,GX,EPS,ZERO,ONE,NUM_GRID, &
NUM_FLT,V_LIMIT,RAD_DEG,RAD_MIN
DATA OSIXTY/0.016666666667/, BIG/-999./
!* WRITE(*,*) ' MULTI-FAULTING CONFIGURATION IS IMPLEMENTED...'
OPEN(UNIT=23,FILE='fault_multi.ctl',STATUS='OLD',IOSTAT=ISTAT)
IF (ISTAT /=0) THEN
PRINT *,"ERROR:: CAN'T OPEN CONFIG FILE FAULT_MULTI.CTL; EXITING."
STOP
END IF
!----------------------------------------------
! READING FAULT PARAMETERS FOR EACH SEGMENT
!----------------------------------------------
READ (23,'(8/)')
!----------------------------------------
! READING PARAMETERS FOR EACH FAULT SEGMENT
!----------------------------------------
DO K = 2,FLT(1)%NUM_FLT
WRITE (*,*) ' READING PARAMETERS FOR FAULT SEGMENT',K
READ (23,'(3/)')
READ (23,'(49X,F30.9)') FLT(K)%T0 ! RUPTURING TIME OF THIS FAULT PLANE
READ (23,'(49X,I30)') FLT(K)%SWITCH ! OPTION OF OBTAINING DEFORMATION: 0-FAULT MODEL; 1-DATA FILE;
READ (23,'(49X,F30.9)') FLT(K)%HH ! FOCAL DEPTH (UNIT: METER)
READ (23,'(49X,F30.9)') FLT(K)%L ! LENGTH OF SOURCE AREA (UNIT: METER)
READ (23,'(49X,F30.9)') FLT(K)%W ! WIDTH OF SOURCE AREA (UNIT: METER)
READ (23,'(49X,F30.9)') FLT(K)%D ! DISLOCATION (UNIT: METER)
READ (23,'(49X,F30.9)') FLT(K)%TH ! (=THETA) STRIKE DIRECTION (UNIT: DEGREE)
READ (23,'(49X,F30.9)') FLT(K)%DL ! (=DELTA) DIP ANGLE (UNIT : DEGREE)
READ (23,'(49X,F30.9)') FLT(K)%RD ! (=LAMDA) SLIP ANGLE (UNIT: DEGREE)
READ (23,'(49X,F30.9)') FLT(K)%YO ! ORIGIN OF COMPUTATION (LATITUDE :DEGREE)
READ (23,'(49X,F30.9)') FLT(K)%XO ! ORIGIN OF COMPUTATION (LONGITUDE:DEGREE)
READ (23,'(49X,F30.9)') FLT(K)%Y0 ! EPICENTER (LATITUDE :DEGREE)
READ (23,'(49X,F30.9)') FLT(K)%X0 ! EPICENTER (LONGITUDE:DEGREE)
READ (23,'(A)') LINE ! NAME OF DEFORMATION DATA FILE
READ (23,'(49X,I30)') FLT(K)%FS ! FORMAT OF DEFORMATION DATA FILE: 0-OLD COMCOT FORMAT;1-MOST;2-XYZ;
POS = INDEX(LINE,':')
IF (POS>0) THEN
FLT(K)%DEFORM_NAME = TRIM(LINE(POS+1:200))
ELSE
FLT(K)%DEFORM_NAME = 'ini_surface.dat'
ENDIF
LINE = ''
SN = SIN(RAD_DEG*FLT(K)%DL)
CS = COS(RAD_DEG*FLT(K)%DL)
IF (ABS(SN) .LT. EPS) FLT(K)%DL = FLT(K)%DL+GX
IF (ABS(CS) .LT. EPS) FLT(K)%DL = FLT(K)%DL+GX
! IF (SN .EQ. 0.0) FLT(K)%DL = FLT(K)%DL+EPS
! IF (CS .EQ. 0.0) FLT(K)%DL = FLT(K)%DL+EPS
FLT(K)%NUM_FLT = FLT(1)%NUM_FLT
FLT(K)%XO = FLT(1)%XO
FLT(K)%YO = FLT(1)%YO
ENDDO
CLOSE(23)
RETURN
END
!----------------------------------------------------------------------
SUBROUTINE READ_MULTIFAULT_DATA (LO,FLT)
!......................................................................
!DESCRIPTION:
! #. OBTAIN FAULT PARAMETERS FOR MULTIPLE FAULT SEGMENTS;
! #. PARAMETERS FOR FAULT SEGMENTS ARE OBTAINED FROM AN EXTERNAL
! DATA FILE GIVEN AT LINE 40 IN COMCOT.CTL;
! #. THE DATA FILE CONTAINS ALL THE INFORMATION FOR EACH SEGMENT;
! EACH ROW FOR ONE SEGMENT: TIME,LON,LAT,L,W,H,THETA,DELTA,LAMBDA,SLIP;
! #. TO USE THIS FUNCTION, INPUT 999 AT LINE 26 IN COMCOT.CTL;
!INPUT:
! #. PARAMETER DATA FILE;
!OUTPUT:
! #. FAULT PARAMETERS FOR ALL FAULT PLANES INCLUDED;
!NOTES:
! #. CREATED ON APR 09, 2009 (XIAOMING WANG, GNS)
! #. UPDATED ON APR09 2009 (XIAOMING WANG, GNS)
! 1. ADD SUPPORT ON IMPORTING FAULT PARAMETERS FOR MULTIPLE
! FAULT SEGMENTS FROM A DATA FILE;
!----------------------------------------------------------------------
USE LAYER_PARAMS
USE FAULT_PARAMS
TYPE (LAYER) :: LO
TYPE (FAULT), dimension(NUM_FLT) :: FLT
REAL TIME, TEMP(LO%NX)
INTEGER NUM_FLT,COUNT
CHARACTER(LEN=200) :: line,line1,line2,line3
CHARACTER(LEN=200) :: dump,tmp,tmpname,fname
COMMON /CONS/ ELMAX,GRAV,PI,R_EARTH,GX,EPS,ZERO,ONE,NUM_GRID, &
NUM_FLT,V_LIMIT,RAD_DEG,RAD_MIN
DATA OSIXTY/0.016666666667/, BIG/-999./
!* WRITE(*,*) ' MULTI-FAULTING CONFIGURATION IS IMPLEMENTED...'
OPEN(UNIT=23,FILE=FLT(1)%DEFORM_NAME,STATUS='OLD',IOSTAT=ISTAT)
IF (ISTAT /=0) THEN
PRINT *,"ERROR:: CAN'T OPEN FAULT PARAMETER DATA FILE; EXITING."
STOP
END IF
!.....DETERMINE THE TOTAL NUMBER OF FAULT SEGMENTS
COUNT = 0
DO WHILE (.NOT. EOF(23))
COUNT = COUNT + 1
READ (23,*) T1,T2,T3,T4,T5,T6,T7,T8,T9,T10
ENDDO
FLT(1)%NUM_FLT = COUNT
REWIND(23)
K = 1
WRITE (*,*) ' READING PARAMETERS FOR FAULT SEGMENT ',K,' TO ',COUNT
!----------------------------------------
! READING PARAMETERS FOR EACH FAULT SEGMENT
!----------------------------------------
DO K = 1,FLT(1)%NUM_FLT
READ (23,*) FLT(K)%T0,FLT(K)%X0,FLT(K)%Y0,FLT(K)%L, &
FLT(K)%W,FLT(K)%HH,FLT(K)%TH,FLT(K)%DL, &
FLT(K)%RD,FLT(K)%D
IF (K.EQ.1) THEN
SN = SIN(RAD_DEG*FLT(K)%DL)
CS = COS(RAD_DEG*FLT(K)%DL)
IF (ABS(SN) .LT. EPS) FLT(K)%DL = FLT(K)%DL+GX
IF (ABS(CS) .LT. EPS) FLT(K)%DL = FLT(K)%DL+GX
ENDIF
IF (K.GT.1) THEN
FLT(K)%SWITCH = FLT(1)%SWITCH
SN = SIN(RAD_DEG*FLT(K)%DL)
CS = COS(RAD_DEG*FLT(K)%DL)
IF (ABS(SN) .LT. EPS) FLT(K)%DL = FLT(K)%DL+GX
IF (ABS(CS) .LT. EPS) FLT(K)%DL = FLT(K)%DL+GX
FLT(K)%NUM_FLT = FLT(1)%NUM_FLT
FLT(K)%DEFORM_NAME = FLT(1)%DEFORM_NAME
FLT(K)%FS = FLT(1)%FS
FLT(K)%XO = FLT(1)%XO
FLT(K)%YO = FLT(1)%YO
ENDIF
ENDDO
CLOSE(23)
RETURN
END
!----------------------------------------------------------------------
SUBROUTINE GET_LANDSLIDE_PARAMETERS (LO,LS)
!......................................................................
!DESCRIPTION:
! #. OBTAIN ADDITIONAL PARAMETERS FOR LANDSLIDE CONFIGURATION;
! #. THESE ADDITIONAL PARAMETERS ARE USED TO DETERMINE WATER DEPTH
! VARIATIONS VIA WATTS ET AL (2003)'S LANDSLIDE THEORY;
! #. LANDSLIDE.CTL IS REQUIRED IF THE OPTION IN LANDSLIDE SECTION
! IN COMCOT.CTL IS LARGER THAN 1
!INPUT:
! #. COMCOT.CTL AND LANDSLIDE.CTL IF REQUIRED;
!OUTPUT:
! #. ADDITIONAL LANDSLIDE PARAMETERS FOR LANDSLIDE CONFIGURATION;
!NOTES:
! #. CREATED ON FEB 13, 2008 (XIAOMING WANG, GNS)
! #. UPDATED ON ???
!----------------------------------------------------------------------
USE LAYER_PARAMS
USE LANDSLIDE_PARAMS
TYPE (LAYER) :: LO
TYPE (LANDSLIDE) :: LS
REAL T0,T1
COMMON /CONS/ ELMAX,GRAV,PI,R_EARTH,GX,EPS,ZERO,ONE,NUM_GRID, &
NUM_FLT,V_LIMIT,RAD_DEG,RAD_MIN
DATA OSIXTY/0.016666666667/, BIG/-999./
!----------------------------------------------
! READING PARAMETERS FOR BUILT-IN SLIDING MODEL
!----------------------------------------------
!* WRITE(*,*) ' MULTI-FAULTING CONFIGURATION IS IMPLEMENTED...'
OPEN(UNIT=23,FILE='landslide.ctl',STATUS='OLD',IOSTAT=ISTAT)
IF (ISTAT /=0) THEN
PRINT *,"ERROR:: CAN'T OPEN CONFIG FILE LANDSLIDE.CTL; EXITING."
STOP
END IF
READ (23,'(8/)')
WRITE (*,*) ' READING PARAMETERS FOR LAND SLIDE CONFIGURATION'
READ (23,'(3/)')
READ (23,'(49X,F30.9)') T0 ! LAND SLIDE STARTING TIME (SECONDS)
READ (23,'(49X,F30.9)') T1 ! LAND SLIDE ENDING TIME (SECONDS)
READ (23,'(49X,F30.9)') LS%XS ! X COORD OF STARTING LOCATION (CENTER OF MASS)
READ (23,'(49X,F30.9)') LS%YS ! Y COORD OF STARTING LOCATION (CENTER OF MASS)
READ (23,'(49X,F30.9)') LS%XE ! X COORD OF STOPPING LOCATION (CENTER OF MASS)
READ (23,'(49X,F30.9)') LS%YE ! Y COORD OF STOPPING LOCATION (CENTER OF MASS)
READ (23,'(49X,F30.9)') LS%SLOPE ! TYPICAL SLOPE ANGLE ALONG SLIDING PATH (DEGREE)
READ (23,'(49X,F30.9)') LS%A ! LENGTH OF SLIDING VOLUME (IN METERS ALONG PATH)
READ (23,'(49X,F30.9)') LS%B ! WIDTH OF SLIDING VOLUME (IN METERS CROSS PATH)
READ (23,'(49X,F30.9)') LS%THICKNESS ! TYPICAL THICKNESS OF SLIDE VOLUME (IN METERS)
CLOSE(23)
LS%DURATION = T1 - T0
LS%NT = NINT((T1-T0)/LO%DT)+1
ALLOCATE(LS%T(LS%NT))
LS%T = 0.0
DO K = 1,LS%NT
LS%T(K) = (K-1.0)*LO%DT + T0
ENDDO
WRITE (*,*) 'T0=',T0
WRITE (*,*) 'T1=',T1
WRITE (*,*) 'NT=',LS%NT
WRITE (*,*) 'T(1)=',LS%T(1)
WRITE (*,*) 'T(NT)=',LS%T(LS%NT)
WRITE (*,*) 'SLOPE=',LS%SLOPE
WRITE (*,*) 'THICKNESS=',LS%THICKNESS
RETURN
END
!----------------------------------------------------------------------
SUBROUTINE DX_CALC (LO)
!......................................................................
!DESCRIPTION:
! #. CALCULATE GRID SIZE AND X,Y COORDINATES OF 1ST-LEVEL GRIDS
! FOR 'SQUARE' GRID CELLS WHEN SPHERICAL COORDINATE IS ADOPTED,
! DESIGNED FOR DISPERSION IMPROVEMENT PURPOSE;
! #. GRID_SWITCH - FLAG ONLY FOR SPHERICAL COORDINATES
! 0 - CREATE A 'SQUARE' GRID CELL IN SPHERICAL COORDINATE,
! I.E., LENGTH OF DX = LENGTH OF DY;
! 1 - CREATE A 'NORMAL' GRID CELL IN SPHERICAL COORDINATE,
! I.E., DX = DY IN ARC MINUTES, BUT LENGTH ARE DIFFERENT;
! #. *** HERE, LO%PARENT IS TEMPORARILY USED FOR TEST PURPOSE:
! = 0: 'SQUARE' GRID CELL WILL BE CREATED FOR LO
! = -1: 'NORMAL' GRID CELL WILL BE CREATED FOR LO
!NOTE:
! #. CREATED ON SEP 18 2006 (XIAOMING WANG, CORNELL UNIV.)
! #. UPDATED ON DEC.17 2008 (XIAOMING WANG, GNS)
! #. UPDATED ON JAN03 2009 (XIAOMING WANG, GNS)
!----------------------------------------------------------------------
USE LAYER_PARAMS
TYPE (LAYER) :: LO,LA
REAL X,Y,X0,Y0,DX_ARC
REAL, ALLOCATABLE :: YTMP(:),DEL_Y(:)
INTEGER GRID_SWITCH
COMMON /CONS/ ELMAX,GRAV,PI,R_EARTH,GX,EPS,ZERO,ONE,NUM_GRID, &
NUM_FLT,V_LIMIT,RAD_DEG,RAD_MIN
!.....TENTATIVE VALUES
LO%DY = LO%DX
LO%REL_SIZE = 1
LO%REL_TIME = 1
!.....IF THE CARTESIAN COORDINATE IS ADOPTED,
! CALCULATE THE GRID DIMENSION, X AND Y COORDINATES;
IF (LO%LAYCORD.EQ.1) THEN
LO%NX = NINT((LO%X_END-LO%X_START)/LO%DX)+1
LO%NY = NINT((LO%Y_END-LO%Y_START)/LO%DY)+1
ALLOCATE(LO%X(LO%NX))
ALLOCATE(LO%Y(LO%NY))
ALLOCATE(LO%DEL_X(LO%NX))
ALLOCATE(LO%DEL_Y(LO%NY))
DO I = 1,LO%NX
LO%X(I) = LO%X_START + (I-1)*LO%DX
END DO
DO J = 1,LO%NY
LO%Y(J) = LO%Y_START + (J-1)*LO%DY
END DO
LO%DEL_X(:) = LO%DX
LO%DEL_Y(:) = LO%DY
!SPHERICAL COORDINATES, FOR FACTS INPUT
IF (LO%BC_TYPE.EQ.3) THEN
ALLOCATE(LO%CXY(LO%NX,LO%NY,2))
LO%CXY = 0.0
DO I = 1,LO%NX
DO J = 1,LO%NY
CALL COORD_CONVERT (LO%X(I),LO%Y(J), &
LO%CXY(I,J,1),LO%CXY(I,J,2),LO%XO,LO%YO,1)
ENDDO
ENDDO
ENDIF
ENDIF
!.....IF SPHERICAL COORDINATE IS IMPLEMENTED,
! CALCULATE THE GRID DIMENSION, X AND Y COORDINATES;
!.....IF GRID_SWITCH = 0, GRID SIZE IN Y DIRECTION WILL BE ADJUSTED
! ACCORDING TO LATITUDE SO THAT 'SQUARE' GRID CELLS WILL BE CREATED
! IN SPHERICAL COORDINATES;
!.....GRID_SWITCH - FLAG ONLY FOR SPHERICAL COORDINATES
! 0 - CREATE A 'SQUARE' GRID CELL IN SPHERICAL COORDINATE,
! I.E., LENGTH OF DX = LENGTH OF DY;
! 1 - CREATE A 'NORMAL' GRID CELL IN SPHERICAL COORDINATE,
! I.E., DX = DY IN ARC MINUTES, BUT LENGTH ARE DIFFERENT;
GRID_SWITCH = 0
IF (LO%PARENT .EQ. -1) GRID_SWITCH = 1 !FOR TEST PURPOSE
IF (LO%LAYCORD .EQ. 0) THEN
! WHEN SQUARE GRID IS REQUIRED
IF (GRID_SWITCH.EQ.0) THEN
!CONVERT MINUTES TO DEGREES
DX = LO%DX/60.0
DY = LO%DY/60.0
LO%NX = NINT((LO%X_END-LO%X_START)/DX)+1
ALLOCATE(LO%X(LO%NX))
ALLOCATE(LO%DEL_X(LO%NX))
DO I = 1,LO%NX
LO%X(I) = (I-1)*DX + LO%X_START
END DO
LO%DEL_X(:) = LO%DX
!CREATE 'NON-UNIFORM' GRID SIZE IN Y DIRECTION (LATITUDE)
NY = NINT((LO%Y_END-LO%Y_START)/DY)+1
ALLOCATE(YTMP(5*NY))
ALLOCATE(DEL_Y(5*NY))
YTMP = 0.0
DEL_Y = 0.0
K = 1
YTMP(1) = LO%Y_START
DO WHILE (YTMP(K).LE.LO%Y_END)
ANG_K = YTMP(K)*RAD_DEG
DEL_Y(K) = DX*COS(ANG_K)
DY = DX*COS(ANG_K+0.5*DEL_Y(K)*RAD_DEG)
YTMP(K+1) = YTMP(K) + DY
K = K + 1
END DO
LO%NY = K-1
ALLOCATE(LO%Y(LO%NY))
ALLOCATE(LO%DEL_Y(LO%NY))
LO%Y(:) = YTMP(1:LO%NY)
LO%DEL_Y(:) = DEL_Y(1:LO%NY)*60.0
LO%XO = LO%X(1)
LO%YO = LO%Y(1)
!WHEN SQUARE GRID IS NOT REQUIRED
ELSE
DX = LO%DX/60.0
DY = LO%DY/60.0
LO%NX = NINT((LO%X_END-LO%X_START)/DX)+1
LO%NY = NINT((LO%Y_END-LO%Y_START)/DY)+1
ALLOCATE(LO%X(LO%NX))
ALLOCATE(LO%Y(LO%NY))
ALLOCATE(LO%DEL_X(LO%NX))
ALLOCATE(LO%DEL_Y(LO%NY))
DO I = 1,LO%NX
LO%X(I) = LO%X_START + (I-1)*DX
END DO
DO J = 1,LO%NY
LO%Y(J) = LO%Y_START + (J-1)*DY
END DO
LO%DEL_X(:) = LO%DX
LO%DEL_Y(:) = LO%DY
LO%XO = LO%X(1)
LO%YO = LO%Y(1)
ENDIF
ENDIF
DEALLOCATE(YTMP,DEL_Y,STAT = ISTAT)
RETURN
END
!----------------------------------------------------------------------
SUBROUTINE SUBGRID_MATCHING (LO,LA)
!......................................................................
!DESCRIPTION:
! #. CALCULATE GRID DIMENSION AND COORDINATES OF GRID LAYER LA AND
! ITS POSITION IN ITS PARENT LAYER LO
! #. ARRAYS RELATED TO DIMENSION ARE ALLOCATED HERE
! #. LA%UPZ =
! .TRUE. - PARENT GRID, LO, AND CHILD GRID, LA, ADOPT
! THE SAME COORDINATE SYSTEM;
! .FALSE. - PARENT GRID, LO, AND CHILD GRID, LA, ADOPT
! DIFFERENT COORDINATE SYSTEM;
! #. SC_OPTION: COUPLING SCHEME BETWEEN SPHERICAL AND CARTESIAN
! = 0: TRADITIONAL COUPLING SCHEME BETWEEEN SPH AND CART;
! = 1: IMPROVED COUPLING SCHEME BETWEEN SPH AND CART;
!INPUT:
! LO: PARENT GRID LAYER
!OUTPUT:
! LA: CURRENT GRID LAYER
!NOTE:
! #. CREATED ON NOV 05 2008 (XIAOMING WANG, GNS)
! #. UPDATED ON JAN05 2008 (XIAOMING WANG)
! #. UPDATED ON APR03 2009 (XIAOMING WANG)
! 1. IMPROVE COUPLING SCHEME BETWEEN SPHERICAL AND CARTESIAN
!----------------------------------------------------------------------
USE LAYER_PARAMS
TYPE (LAYER) :: LO,LA
REAL SOUTH_LAT,DX_ARC
REAL LAT,LON,LAT0,LON0,X,Y,X0,Y0
COMMON /CONS/ ELMAX,GRAV,PI,R_EARTH,GX,EPS,ZERO,ONE,NUM_GRID, &
NUM_FLT,V_LIMIT,RAD_DEG,RAD_MIN
WRITE (*,*) ' GENERATING NESTED GRIDS IN LAYER',LO%ID
!.....DETERMINE TIME STEP SIZE OF CHILD GRID
!* LA%REL_TIME = LA%REL_SIZE
!* LA%DT=LO%DT/LA%REL_SIZE
!.....DETERMINE POSITION INDICES OF CHILD GRID IN ITS PARENT GRID LAYER
IS = 2
IE = LO%NX-1
JS = 2
JE = LO%NY-1
DO K = IS,IE
IF (LA%X_START.GE.(LO%X(K-1)+LO%X(K))/2.0 .AND. &
LA%X_START.LT.(LO%X(K)+LO%X(K+1))/2.0) LA%CORNERS(1) = K+1
IF (LA%X_END.GE.(LO%X(K-1)+LO%X(K))/2.0 .AND. &
LA%X_END.LT.(LO%X(K)+LO%X(K+1))/2.0) LA%CORNERS(2) = K-1
ENDDO
DO K = JS,JE
IF (LA%Y_START.GE.(LO%Y(K-1)+LO%Y(K))/2.0 .AND. &
LA%Y_START.LT.(LO%Y(K)+LO%Y(K+1))/2.0) LA%CORNERS(3) = K+1
IF (LA%Y_END.GE.(LO%Y(K-1)+LO%Y(K))/2.0 .AND. &
LA%Y_END.LT.(LO%Y(K)+LO%Y(K+1))/2.0) LA%CORNERS(4) = K-1
ENDDO
!.....DETERMINE THE DIMENSION OF CHILD GRID LAYER
IF (LO%LAYCORD .EQ. LA%LAYCORD) THEN
LA%NX = (LA%CORNERS(2)-LA%CORNERS(1)+1)*LA%REL_SIZE+1
LA%NY = (LA%CORNERS(4)-LA%CORNERS(3)+1)*LA%REL_SIZE+1
ALLOCATE(LA%X(LA%NX))
ALLOCATE(LA%Y(LA%NY))
ALLOCATE(LA%DEL_X(LA%NX))
ALLOCATE(LA%DEL_Y(LA%NY))
LA%X = 0.0
LA%Y = 0.0
LA%DEL_X = 0.0
LA%DEL_Y = 0.0
ENDIF
!DETERMINE GRID SIZE AND X,Y COORDINATES OF CHILD GRID LAYER: LA
!WHEN BOTH LO AND LA ADOPT CARTESIAN COORDINATES
IF (LO%LAYCORD.EQ.1 .AND. LA%LAYCORD.EQ.1) THEN
LA%DX = LO%DX/DBLE(LA%REL_SIZE)
LA%DY = LO%DY/DBLE(LA%REL_SIZE)
XS = 0.5*(LO%X(LA%CORNERS(1))+LO%X(LA%CORNERS(1)-1))-LA%DX/2.0
YS = 0.5*(LO%Y(LA%CORNERS(3))+LO%Y(LA%CORNERS(3)-1))-LA%DY/2.0
DO I = 1,LA%NX
LA%X(I) = (I-1)*LA%DX + XS
ENDDO
DO J = 1,LA%NY
LA%Y(J) = (J-1)*LA%DY + YS
ENDDO
LA%DEL_X(:) = LA%DX
LA%DEL_Y(:) = LA%DY
ENDIF
!WHEN BOTH LO AND LA USE SPHERICAL COORDINATES
IF (LO%LAYCORD .EQ. 0) THEN
IF (LA%LAYCORD .EQ. 0) THEN
LA%DX = LO%DX/DBLE(LA%REL_SIZE)
LA%DY = LO%DY/DBLE(LA%REL_SIZE)
LA%DEL_X(:) = LA%DX
LA%DEL_Y(:) = LA%DY
DX = LA%DX/60.0 !CONVERT MINUTES TO DEGREES
XS = 0.5*(LO%X(LA%CORNERS(1))+LO%X(LA%CORNERS(1)-1))-DX/2.0
DO I = 1,LA%NX
LA%X(I) = (I-1)*DX + XS
ENDDO
JS = LA%CORNERS(3)
JE = LA%CORNERS(4)
DY = LO%DEL_Y(JS-1)/DBLE(LA%REL_SIZE)
LA%SOUTH_LAT = 0.5*(LO%Y(JS)+LO%Y(JS-1)) - 0.5*DY/60.0
LA%Y(1) = LA%SOUTH_LAT
LA%DEL_Y(1) = DY
DO J = JS,JE
DY = LO%DEL_Y(J)/DBLE(LA%REL_SIZE)
YS = 0.5*(LO%Y(J)+LO%Y(J-1))
KS = (J-JS)*LA%REL_SIZE + 1
DO K = 1,LA%REL_SIZE
LA%DEL_Y(KS+K) = DY
LA%Y(KS+K) = YS + (K-0.5)*DY/60.0
ENDDO
ENDDO
! WRITE(*,*) LA%NY,LA%DEL_Y(1),LA%DEL_Y(NINT(LA%NY/2.0)),LA%DEL_Y(LA%NY)
!*!CALCULATE POSITION AND PARAMETERS REQUIRED FOR DATA COMMUNICATION
!*!*BETWEEN LO AND LA
ENDIF
ENDIF