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wavemaker.f90
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!----------------------------------------------------------------------
SUBROUTINE WAVE_MAKER (TIME,LO,WV)
!.....SEND IN INCIDENT WAVES THROUGH A BOUNDARY
!.....CREATED BY XIAOMING WANG (MAR 15, 2004)
! UPDATED BY XIAOMING WANG (SEP 17 2006)
!----------------------------------------------------------------------
USE LAYER_PARAMS
USE WAVE_PARAMS
! IMPLICIT NONE
TYPE (LAYER) :: LO
TYPE (WAVE) :: WV
REAL ETA,FLUX,TIME,X,DX,SOUTH_LAT,DX_RAD,DD,CC,TIME_LAG,T
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./
DATA RAD/0.01745329252/
! DATA RR/6.37E6/ ! RADIUS OF EARTH
! DATA PI/3.14159265358979/
IF (LO%LAYCORD .EQ. 0) THEN
SOUTH_LAT = LO%SOUTH_LAT*RAD_DEG
DX_RAD = LO%DX*RAD_MIN
DX = R_EARTH*COS(SOUTH_LAT)*DX_RAD !CONVERT RAD TO METERS
ELSE
DX = LO%DX
ENDIF
CC = SQRT(GRAV*(WV%DEPTH+WV%AMP))
IF (WV%MK_TYPE .EQ. 5) THEN
! TIME = TIME-19*LO%DT
DO I = 1,LO%NX
X = I*LO%DX - 50.0
IF (X.LE.0.0) THEN
CALL SOLIT (LO,ETA,FLUX,X,TIME-LO%DT,WV)
DO J = 1,LO%NY
LO%Z(I,J,1) = ETA
LO%M(I,J,1) = FLUX
ENDDO
CALL SOLIT (LO,ETA,FLUX,X,TIME,WV)
DO J = 1,LO%NY
LO%Z(I,J,2) = ETA
LO%M(I,J,2) = FLUX
ENDDO
ENDIF
ENDDO
ENDIF
X = 0.0
! CALL SOLIT (ETA,FLUX,X,TIME,WV)
IF (WV%MK_TYPE .LE. 2) THEN ! FOR SOLITARY OR TIMEHISTORY INPUT
CALL SOLIT (LO,ETA,FLUX,X,TIME,WV)
SELECT CASE (WV%INCIDENT)
CASE (1) !FROM TOP BOUNDARY
DO I = 1,LO%NX
LO%Z(I,LO%NY,2) = ETA !+LO%Z(I,LO%NY,1)
LO%N(I,LO%NY,2) = -FLUX !+LO%N(I,LO%NY,1)
ENDDO
CASE (2) !FROM BOTTOM BOUNDARY
DO I = 1,LO%NX
LO%Z(I,1,2) = ETA !+LO%Z(I,1,1)
LO%N(I,1,2) = FLUX !+LO%N(I,1,1)
ENDDO
CASE (3) !FROM LEFT BOUNDARY
DO J = 1,LO%NY
LO%Z(1,J,2) = ETA !+LO%Z(1,J,1)
LO%M(1,J,2) = FLUX !+LO%M(1,J,1)
ENDDO
CASE (4) !FROM RIGHT BOUNDARY
DO J = 1,LO%NY
LO%Z(LO%NX,J,2) = ETA !+LO%Z(LO%NX,J,1)
LO%M(LO%NX,J,2) = -FLUX !+LO%M(LO%NX,J,1)
ENDDO
CASE (5) !OBLIQUE INCIDENT WAVE
!PROPAGATE TO UPPER-RIGHT
IF (WV%ANG.GE.0.0 .AND. WV%ANG.LT.90.0) THEN
ANG = WV%ANG*RAD_DEG
SN = SIN(ANG)
CS = COS(ANG)
DO J=1,LO%NY
DIS = DBLE(J-1)*DX*CS
TIME_LAG = DIS/CC
T = TIME - TIME_LAG
CALL SOLIT(LO,ETA,FLUX,X,T,WV)
LO%Z(1,J,2) = ETA
LO%M(1,J,2) = FLUX*SN
LO%N(1,J,2) = FLUX*CS
ENDDO
DO I=1,LO%NX
DIS = DBLE(I-1)*DX*SN
TIME_LAG = DIS/CC
T = TIME - TIME_LAG
CALL SOLIT(LO,ETA,FLUX,X,T,WV)
LO%Z(I,1,2) = ETA
LO%M(I,1,2) = FLUX*SN
LO%N(I,1,2) = FLUX*CS
ENDDO
ENDIF
!PROPAGATE TO LOWER-RIGHT
IF (WV%ANG.GE.90.0 .AND. WV%ANG.LT.180.0) THEN
ANG = (180.0-WV%ANG)*RAD_DEG
CS = COS(ANG)
SN = SIN(ANG)
DO J=1,LO%NY
DIS = DBLE(LO%NY-J)*DX*CS
TIME_LAG = DIS/CC
T = TIME - TIME_LAG
CALL SOLIT(LO,ETA,FLUX,X,T,WV)
LO%Z(1,J,2) = ETA
LO%M(1,J,2) = FLUX*SN
LO%N(1,J,2) = -FLUX*CS
ENDDO
DO I=1,LO%NX
DIS = DBLE(I-1)*DX*SN
TIME_LAG = DIS/CC
T = TIME - TIME_LAG
CALL SOLIT(LO,ETA,FLUX,X,T,WV)
LO%Z(I,LO%NY,2) = ETA
LO%M(I,LO%NY,2) = FLUX*SN
LO%N(I,LO%NY,2) = -FLUX*CS
ENDDO
ENDIF
!PROPAGATE TO LOWER-LEFT
IF (WV%ANG.GE.180.0 .AND. WV%ANG.LT.270.0) THEN
ANG = (270.0-WV%ANG)*RAD_DEG
CS = COS(ANG)
SN = SIN(ANG)
DO J=1,LO%NY
DIS = DBLE(LO%NY-J)*DX*SN
TIME_LAG = DIS/CC
T = TIME - TIME_LAG
CALL SOLIT(LO,ETA,FLUX,X,T,WV)
LO%Z(LO%NX,J,2) = ETA
LO%M(LO%NX,J,2) = -FLUX*CS
LO%N(LO%NX,J,2) = -FLUX*SN
ENDDO
DO I=1,LO%NX
DIS = DBLE(LO%NX-I)*DX*CS
TIME_LAG = DIS/CC
T = TIME - TIME_LAG
CALL SOLIT(LO,ETA,FLUX,X,T,WV)
LO%Z(I,LO%NY,2) = ETA
LO%M(I,LO%NY,2) = -FLUX*CS
LO%N(I,LO%NY,2) = -FLUX*SN
ENDDO
ENDIF
!PROPAGATE TO UPPER-LEFT
IF (WV%ANG.GE.270.0 .AND. WV%ANG.LT.360.0) THEN
ANG = (360.0-WV%ANG)*RAD_DEG
CS = COS(ANG)
SN = SIN(ANG)
DO J=1,LO%NY
DIS = DBLE(J-1)*DX*CS
TIME_LAG = DIS/CC
T = TIME - TIME_LAG
CALL SOLIT(LO,ETA,FLUX,X,T,WV)
LO%Z(LO%NX,J,2) = ETA
LO%M(LO%NX,J,2) = -FLUX*SN
LO%N(LO%NX,J,2) = FLUX*CS
ENDDO
DO I=1,LO%NX
DIS = DBLE(LO%NX-I)*DX*SN
TIME_LAG = DIS/CC
T = TIME - TIME_LAG
CALL SOLIT(LO,ETA,FLUX,X,T,WV)
LO%Z(I,1,2) = ETA
LO%M(I,1,2) = -FLUX*SN
LO%N(I,1,2) = FLUX*CS
ENDDO
ENDIF
END SELECT
ENDIF
IF (WV%MK_TYPE .EQ. 3) THEN ! FOCUSING SOLITARY WAVE
SELECT CASE (WV%INCIDENT)
CASE (1) !WAVE FROM TOP BOUNARY
!* D0 = DBLE(LO%NY-1)*DX-WV%POINT(2)
D0 = LO%Y(LO%NY)-WV%POINT(2)
DO I = 1,LO%NX
DIS_VERT = D0
!* DIS_HORI = DBLE(I-1)*DX-WV%POINT(1)
DIS_HORI = LO%X(I)-WV%POINT(1)
DD = SQRT(DIS_VERT**2+DIS_HORI**2)-D0
CC = SQRT(GRAV*(WV%DEPTH+WV%AMP))
TIME_LAG = DD/CC
T = TIME + TIME_LAG
CALL SOLIT(LO,ETA,FLUX,X,T,WV)
LO%Z(I,LO%NY,2) = ETA !+LO%Z(1,J,1)
LO%N(I,LO%NY,2) = -FLUX*DIS_VERT/(DD+D0) !+LO%M(1,J,1)
LO%M(I,LO%NY,2) = -FLUX*DIS_HORI/(DD+D0)
ENDDO
CASE (2) ! WAVE FROM BOTTOM BOUNDARY
D0 = WV%POINT(2)-LO%Y(1)
DO I = 1,LO%NX
DIS_VERT = D0
!* DIS_HORI = DBLE(I-1)*DX-WV%POINT(1)
DIS_HORI = LO%X(I)-WV%POINT(1)
DD = SQRT(DIS_HORI**2+DIS_VERT**2)-D0
!CC = SQRT(9.807*(WV%DEPTH+WV%AMP))
TIME_LAG = DD/CC
T = TIME + TIME_LAG
CALL SOLIT(LO,ETA,FLUX,X,T,WV)
LO%Z(I,1,2) = ETA !+LO%Z(1,J,1)
LO%N(I,1,2) = FLUX*DIS_VERT/(DD+D0) !+LO%M(1,J,1)
LO%M(I,1,2) = -FLUX*DIS_HORI/(DD+D0)
ENDDO
CASE (3) !WAVE FROM LEFT BOUNDARY
!* D0 = WV%POINT(1)
D0 = WV%POINT(1) - LO%X(1)
DO J = 1,LO%NY
DIS_HORI = D0
!* DIS_VERT = DBLE(J-1)*DX-WV%POINT(2)
DIS_VERT = LO%Y(J)-WV%POINT(2)
DD = SQRT(DIS_VERT**2+DIS_HORI**2)-D0
!CC = SQRT(9.807*(WV%DEPTH+WV%AMP))
TIME_LAG = DD/CC
T = TIME + TIME_LAG
CALL SOLIT(LO,ETA,FLUX,X,T,WV)
LO%Z(1,J,2) = ETA !+LO%Z(1,J,1)
LO%M(1,J,2) = FLUX*DIS_HORI/(DD+D0) !+LO%M(1,J,1)
LO%N(1,J,2) = -FLUX*DIS_VERT/(DD+D0)
ENDDO
CASE (4) !WAVE FROM RIGHT BOUNDARY
!* D0 = DBLE(LO%NX-1)*DX-WV%POINT(1)
D0 = LO%X(LO%NX)-WV%POINT(1)
DO J = 1,LO%NY
DIS_HORI = D0
!* DIS_VERT = DBLE(J-1)*DX-WV%POINT(2)
DIS_VERT = LO%Y(J)-WV%POINT(2)
DD = SQRT(DIS_VERT**2+DIS_HORI**2)-D0
!CC = SQRT(9.807*(WV%DEPTH+WV%AMP))
TIME_LAG = DD/CC
T = TIME + TIME_LAG
CALL SOLIT(LO,ETA,FLUX,X,T,WV)
LO%Z(LO%NX,J,2) = ETA !+LO%Z(1,J,1)
LO%M(LO%NX,J,2) = -FLUX*DIS_HORI/(DD+D0) !+LO%M(1,J,1)
LO%N(LO%NX,J,2) = -FLUX*DIS_VERT/(DD+D0)
ENDDO
END SELECT
ENDIF
! WAVE MAKER STOP WORKING ON LAND
DO J=1,LO%NY
IF (LO%H(1,J) .LE. 0.0) THEN
LO%Z(1,J,2) = 0.0
LO%M(1,J,2) = 0.0
LO%N(1,J,2) = 0.0
ENDIF
IF (LO%H(LO%NX,J) .LE. 0.0) THEN
LO%Z(LO%NX,J,2) = 0.0
LO%M(LO%NX,J,2) = 0.0
LO%N(LO%NX,J,2) = 0.0
ENDIF
ENDDO
DO I=1,LO%NX
IF (LO%H(I,1) .LE. 0.0) THEN
LO%Z(I,1,2) = 0.0
LO%M(I,1,2) = 0.0
LO%N(I,1,2) = 0.0
ENDIF
IF (LO%H(I,LO%NY) .LE. 0.0) THEN
LO%Z(I,LO%NY,2) = 0.0
LO%M(I,LO%NY,2) = 0.0
LO%N(I,LO%NY,2) = 0.0
ENDIF
ENDDO
RETURN
END
!----------------------------------------------------------------------
SUBROUTINE SOLIT (LO,ETA,FLUX,X,TIME,WAVE_INFO)
! CREATED ON SEP 17, 2006 (XIAOMING WANG)
! ADDITIONAL PASSING PARAMETER, LO, IS ADDED ON MAR 18 2008
!----------------------------------------------------------------------
USE LAYER_PARAMS
USE WAVE_PARAMS
TYPE (LAYER):: LO
TYPE (WAVE) :: WAVE_INFO
REAL ETA, FLUX, TIME, X
REAL TIMELAG,THI,CE,WAVEPERI,WLENGTH
COMMON /CONS/ ELMAX,GRAV,PI,R_EARTH,GX,EPS,ZERO,ONE,NUM_GRID, &
NUM_FLT,V_LIMIT,RAD_DEG,RAD_MIN
! PI = 3.14159265358979
G = GRAV
IF (LO%LAYCORD .EQ. 0) THEN
DX = LO%DX*RAD_MIN*R_EARTH
ELSE
DX = LO%DX
ENDIF
DT = LO%DT
IF (WAVE_INFO%MK_TYPE.EQ.0) THEN
A0 = WAVE_INFO%AMP
C0 = SQRT(GRAV*(WAVE_INFO%AMP+WAVE_INFO%DEPTH))
PERI = 1.30
WLENGTH = C0*PERI
WNUM = 2.*PI/WLENGTH
OMIGA = 2.*PI/PERI
ETA = A0*COS(WNUM*X-OMIGA*TIME+PI/2.0)
ETAP = A0*COS(WNUM*(X+LO%DX/2.)-OMIGA*(TIME+DT/2.0)+PI/2.0)
! CE = SQRT(9.807*(WAVE_INFO%DEPTH+ETA))
FLUX = ETAP*C0
ENDIF
IF (WAVE_INFO%MK_TYPE.EQ.5) THEN
A0 = WAVE_INFO%AMP
C0 = SQRT(GRAV*(WAVE_INFO%AMP+WAVE_INFO%DEPTH))
PERI = 1.30
WLENGTH = C0*PERI
WNUM = 2.0*PI/WLENGTH
OMIGA = 2.0*PI/PERI
ETA = A0*COS(WNUM*X-OMIGA*TIME+PI/2.0)
ETAP = A0*COS(WNUM*(X+LO%DX/2.)-OMIGA*(TIME+DT/2.0)+PI/2.0)
! CE = SQRT(9.807*(WAVE_INFO%DEPTH+ETA))
FLUX = ETAP*C0
ENDIF
IF (WAVE_INFO%MK_TYPE.EQ.1 .OR. WAVE_INFO%MK_TYPE.EQ.3) THEN
THI = SQRT(3.0*WAVE_INFO%AMP/(4.0*WAVE_INFO%DEPTH**3))
CE = SQRT(GRAV*(WAVE_INFO%DEPTH+WAVE_INFO%AMP))
WAVEPERI = 2.0/(THI*CE)*(3.8+WAVE_INFO%AMP/WAVE_INFO%DEPTH)
WLENGTH = 2.0*2.12*WAVE_INFO%DEPTH &
/SQRT(WAVE_INFO%AMP/WAVE_INFO%DEPTH)
TIMELAG = 0.6 * WAVEPERI
ETA = WAVE_INFO%AMP/COSH(SQRT(3.0/4.0*WAVE_INFO%AMP &
/WAVE_INFO%DEPTH**3)*CE*(TIMELAG-TIME))**2
! PRINT *,ETA
FLUX = ETA*CE !/(ETA+WAVE_INFO%DEPTH)
ELSEIF (WAVE_INFO%MK_TYPE.EQ.2) THEN
DO I=1,WAVE_INFO%FORM_LEN-1
IF (TIME.LT.WAVE_INFO%T(1)) THEN
ETA = 0.0
FLUX = 0.0
ELSEIF (TIME.GE.WAVE_INFO%T(I) .AND. &
TIME.LT.WAVE_INFO%T(I+1)) THEN
ETA=(WAVE_INFO%FSE(I+1)-WAVE_INFO%FSE(I)) &
/(WAVE_INFO%T(I+1) - WAVE_INFO%T(I)) &
*(TIME-WAVE_INFO%T(I))+WAVE_INFO%FSE(I)
CE = SQRT(GRAV*(WAVE_INFO%DEPTH+ETA))
FLUX = ETA*CE !/(ETA+WAVE_INFO%DEPTH)
ELSEIF (TIME.GE.WAVE_INFO%T(WAVE_INFO%FORM_LEN)) THEN
ETA = 0.0
FLUX = 0.0
ENDIF
ENDDO
ENDIF
RETURN
END
!----------------------------------------------------------------------
SUBROUTINE READ_WAVE (WAVE_INFO)
!.....CUSTOMIZED INPUT WAVE PROFILE
! ONLY USED WHEN WAVE TYPE OPTION IS 2.
!----------------------------------------------------------------------
USE WAVE_PARAMS
TYPE (WAVE) :: WAVE_INFO
REAL H_MAX,SOUTH_LAT,DX,CR
REAL TEMP1,TEMP2
INTEGER COUNT
CHARACTER(LEN=80) FNAME
INTEGER :: RSTAT
RSTAT = 0
TEMP1 = 0.0
TEMP2 = 0.0
IF (WAVE_INFO%MK_TYPE==2) THEN
OPEN(UNIT=20,FILE=WAVE_INFO%FORM_NAME,STATUS='OLD',IOSTAT=ISTAT)
IF (ISTAT /=0) THEN
PRINT *,"ERROR:: CAN'T OPEN TIME HISTORY DATA; EXITING."
STOP
END IF
COUNT = -1
DO WHILE (RSTAT == 0)
COUNT = COUNT + 1
READ (20,*,IOSTAT=RSTAT) TEMP1,TEMP2
ENDDO
!* CLOSE(20)
WAVE_INFO%FORM_LEN = COUNT
ALLOCATE(WAVE_INFO%T(WAVE_INFO%FORM_LEN))
ALLOCATE(WAVE_INFO%FSE(WAVE_INFO%FORM_LEN))
WAVE_INFO%T = 0.0
WAVE_INFO%FSE = 0.0
REWIND(20)
!* OPEN(UNIT=20,FILE=WAVE_INFO%FORM_NAME,STATUS='OLD',IOSTAT=ISTAT)
DO I=1,WAVE_INFO%FORM_LEN
READ(20,*) WAVE_INFO%T(I),WAVE_INFO%FSE(I)
ENDDO
CLOSE(20)
ENDIF
IF (WAVE_INFO%INCIDENT.EQ.5) THEN ! FOR OBLIQUE WAVE
WRITE (*,*) ' YOU ARE USING OBLIQUE INCIDENT WAVE. INCIDENT ANGLE IS MEASURED'
WRITE (*,*) ' CLOCKWISE FROM THE NORTH (UPWARD), RANGING 0.0 TO 360.'
WRITE (*,*) ' PLEASE INPUT INCDIENT ANGLE (IN DEGREES):'
READ *, WAVE_INFO%ANG
ENDIF
IF (WAVE_INFO%MK_TYPE.EQ.3) THEN ! FOR FOCUSING INCIDENT WAVE
WRITE (*,*) ' YOU ARE USING FOCUSING INCIDENT WAVE. THE FOCUS IS WHERE'
WRITE (*,*) ' THE INCIDENT WAVE FROM A BOUNDARY CONVERGES.'
WRITE (*,*) ' PLEASE INPUT X COORD. OF THE FOCUS (IN METERS):'
READ *, WAVE_INFO%POINT(1)
WRITE (*,*) ' PLEASE INPUT Y COORD. OF THE FOCUS (IN METERS):'
READ *, WAVE_INFO%POINT(2)
ENDIF
RETURN
END