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boundary.F90
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!C----*|--.---------.---------.---------.---------.---------.---------.-|-------|
SUBROUTINE THOMAS_REAL_SP(A,B,C,G,D,K,NY,NX)
!C----*|--.---------.---------.---------.---------.---------.---------.-|-------|
!C Uses the Thomas algorithm to solve Ax=b for tridiagonal A
!C The RHS vector and solution are real
!C Input lower, main, and upper diagonals, ld, md, ud, and rhs x
!C Returns solution in x
!C The indexing should be done by ROW, ie.
!C [ b1 c1 0 0 0 ...
!C [ a2 b2 c2 0 0 ...
!C [ 0 a3 b3 c3 0 ...
INTEGER I, J, NX, NY,k
REAL*8 A(0:NX,0:NY), B(0:NX,0:NY), C(0:NX,0:NY), G(0:NX,0:NY)
REAL*8 D
J= K
!c write(6,*) 'I am here', J
DO I=0,NX
!c D=-D/A(I,J+1)
A(I,J+1)=A(I,J+1)-B(I,J)*D/A(I,J)
B(I,J+1)=B(I,J+1)-C(I,J)*D/A(I,J)
G(I,J+1)=G(I,J+1)-G(I,J)*D/A(I,J)
END DO
!c write(6,*) 'I am here after', J
DO J=0,NY-1
DO I=0,NX
A(I,J+1)=-A(I,J+1)/B(I,J)
B(I,J+1)=B(I,J+1)+A(I,J+1)*C(I,J)
G(I,J+1)=G(I,J+1)+A(I,J+1)*G(I,J)
END DO
END DO
DO I=0,NX
G(I,NY)=G(I,NY)/B(I,NY)
END DO
DO J=NY-1,0,-1
DO I=0,NX
G(I,J)=(G(I,J)-C(I,J)*G(I,J+1))/B(I,J)
END DO
END DO
RETURN
END
!C----*|--.---------.---------.---------.---------.---------.---------.-|-------|
SUBROUTINE THOMAS_REAL(A,B,C,G,NY,NX)
!C----*|--.---------.---------.---------.---------.---------.---------.-|-------|
!C Uses the Thomas algorithm to solve Ax=b for tridiagonal A
!C The RHS vector and solution are real
!C Input lower, main, and upper diagonals, ld, md, ud, and rhs x
!C Returns solution in x
!C The indexing should be done by ROW, ie.
!C [ b1 c1 0 0 0 ...
!C [ a2 b2 c2 0 0 ...
!C [ 0 a3 b3 c3 0 ...
INTEGER I, J, NX, NY
REAL*8 A(0:NX,0:NY), B(0:NX,0:NY), C(0:NX,0:NY), G(0:NX,0:NY)
DO J=0,NY-1
DO I=0,NX
A(I,J+1)=-A(I,J+1)/B(I,J)
B(I,J+1)=B(I,J+1)+A(I,J+1)*C(I,J)
G(I,J+1)=G(I,J+1)+A(I,J+1)*G(I,J)
END DO
END DO
DO I=0,NX
G(I,NY)=G(I,NY)/B(I,NY)
END DO
DO J=NY-1,0,-1
DO I=0,NX
G(I,J)=(G(I,J)-C(I,J)*G(I,J+1))/B(I,J)
END DO
END DO
RETURN
END
!C----*|--.---------.---------.---------.---------.---------.---------.-|-------|
SUBROUTINE THOMAS_COMPLEX(A,B,C,G,NY,NX)
!C----*|--.---------.---------.---------.---------.---------.---------.-|-------|
!C Uses the Thomas algorithm to solve Ax=b for tridiagonal A
!C The RHS vector and solution is complex
!C Input lower, main, and upper diagonals, ld, md, ud, and rhs x
!C Returns solution in x
!C The indexing should be done by ROW, ie.
!C [ b1 c1 0 0 0 ...
!C [ a2 b2 c2 0 0 ...
!C [ 0 a3 b3 c3 0 ...
INTEGER I, J, NY, NX
REAL*8 A(0:NX,0:NY), B(0:NX,0:NY), C(0:NX,0:NY)
COMPLEX*16 G(0:NX,0:NY)
DO J=0,NY-1
DO I=0,NX
A(I,J+1)=-A(I,J+1)/B(I,J)
B(I,J+1)=B(I,J+1)+A(I,J+1)*C(I,J)
G(I,J+1)=G(I,J+1)+A(I,J+1)*G(I,J)
END DO
END DO
DO I=0,NX
G(I,NY)=G(I,NY)/B(I,NY)
END DO
DO I=0,NX
DO J=NY-1,0,-1
G(I,J)=(G(I,J)-C(I,J)*G(I,J+1))/B(I,J)
END DO
END DO
RETURN
END
!C----*|--.---------.---------.---------.---------.---------.---------.-|------
SUBROUTINE APPLY_BC_TH_LOWER(N,K)
!C----*|--.---------.---------.---------.---------.---------.---------.-|-----
! INCLUDE 'header_duct'
use ntypes
use Domain
use Grid
! use Fft_var
use TIME_STEP_VAR
use run_variable
use ADI_var
use mg_vari, only : INIT_FLAG
implicit none
INTEGER I,N,K,J
!C Bottom Wall:
IF ( TH_BC_YMIN(N) .EQ.0) THEN
!C Dirichlet
DO I=0,NXP
MATL(I,0)=0.
MATD(I,0)=1.
MATU(I,0)=0.
VEC(I,0)=0.
MATL(I,1)=0.
MATD(I,1)=1.
MATU(I,1)=0.
VEC(I,1)=TH_BC_YMIN_C1(N)
END DO
ELSE IF (TH_BC_YMIN(N) .eq. 1) THEN
!C Neumann
DO I=0,NXP
MATL(I,1)=0.
MATD(I,1)=-1.
MATU(I,1)=1.
VEC(I,1)=DY(2)*TH_BC_YMIN_C1(N)
END DO
DO I=0,NXP
MATL(I,0)=0.
MATD(I,0)=-1.
MATU(I,0)=1.
VEC(I,0)=DY(1)*TH_BC_YMIN_C1(N)
END DO
IF(IBM)THEN
DO I=0,NXP
DO J=0,hill_ind(I)
MATL(I,J)=0.
MATD(I,J)=-1.
MATU(I,J)=1.
VEC(I,J)=DY(J+1)*TH_BC_YMIN_C1(N)
ENDDO
ENDDO
ENDIF
ElSE IF (TH_BC_YMIN(N) .EQ. 7) THEN
!C Mixed boundary condition for w at the bottom wall
DO I=0,NXP
MATL(I,1)=0.
MATD(I,1)=1.
MATU(I,1)=0.
VEC(I,1)= TH_1 + (TH_2-TH_1)*sqrt(0.5*(1.0**2.0- 0.d0**2.0) &
*tanh((GZF(k)-Loc_s)/Lh_s) + 0.5*(1.0d0**2.0 + 0.0d0**2.0)) ;
MATL(I,0)=0.
MATD(I,0)=1.
MATU(I,0)=0.
VEC(I,0) = TH_1 + (TH_2-TH_1)*sqrt(0.5*(1.0**2.0- 0.d0**2.0) &
*tanh((GZF(k)-Loc_s)/Lh_s) + 0.5*(1.0d0**2.0 + 0.0d0**2.0)) ;
END DO
!
! IF ( K .lE. 80 ) THEN
! DO I=0,NXP
! MATL(I,1)=0.
! MATD(I,1)=-1.
! MATU(I,1)=1.
! VEC(I,1)=DY(2)*TH_BC_YMIN_C1(N)
!
! MATL(I,0)=0.
! MATD(I,0)=-1.
! MATU(I,0)=1.
! VEC(I,0)=DY(1)*TH_BC_YMIN_C1(N)
! END DO
! ELSE
! DO I=0,NXP
! MATL(I,0)=0.
! MATD(I,0)=1.
! MATU(I,0)=0.
! VEC(I,0)=0.
!
! MATL(I,1)=0.
! MATD(I,1)=1.
! MATU(I,1)=0.
! VEC(I,1)=TH_BC_YMIN_C1(N)
! END DO
! END IF
ELSE
write(*,*) 'WARNING: TH_BC_LOWER is of unknown type'
END IF
RETURN
END
!C----*|--.---------.---------.---------.---------.---------.---------.-|----
SUBROUTINE APPLY_BC_TH_UPPER(N,K)
!C----*|--.---------.---------.---------.---------.---------.---------.-|--
! INCLUDE 'header_duct'
use ntypes
use Domain
use Grid
! use Fft_var
use TIME_STEP_VAR
use run_variable
use ADI_var
use mg_vari, only : INIT_FLAG
implicit none
INTEGER I, N,K
!C Top wall
IF (TH_BC_YMAX(N) .EQ. 0) THEN
!C Dirichlet
DO I=0,NXP
MATL(I,NY+1)=0.
MATD(I,NY+1)=1.
MATU(I,NY+1)=0.
VEC(I,NY+1)=TH_BC_YMAX_C1(N)
MATL(I,NY)=0.
MATD(I,NY)=1.
MATU(I,NY)=0.
VEC(I,NY)=TH_BC_YMAX_C1(N)
END DO
ELSE IF (TH_BC_YMAX(N) .eq. 1) THEN
!C Neumann
DO I=0,NXP
MATL(I,NY)=-1.
MATD(I,NY)=1.
MATU(I,NY)=0.
VEC(I,NY)=DY(NY)*TH_BC_YMAX_C1(N)
END DO
DO I=0,NXP
MATL(I,NY+1)=-1
MATD(I,NY+1)=1.
MATU(I,NY+1)=0.
VEC(I,NY+1)=DY(NY+1)*TH_BC_YMAX_C1(N)
END DO
ElSE IF (TH_BC_YMAX(N) .EQ. 7) THEN
!C Mixed boundary condition for w at the bottom wall
DO I=0,NXP
MATL(I,NY+1)=0.
MATD(I,NY+1)=1.
MATU(I,NY+1)=0.
VEC(I,NY+1)= TH_1 + (TH_2-TH_1)*sqrt(0.5*(1.0**2.0- 0.d0**2.0) &
*tanh((GZF(k)-Loc_s)/Lh_s) + 0.5*(1.0d0**2.0 + 0.0d0**2.0)) ;
MATL(I,NY)=0.
MATD(I,NY)=1.
MATU(I,NY)=0.
VEC(I,NY) = TH_1 + (TH_2-TH_1)*sqrt(0.5*(1.0**2.0- 0.d0**2.0) &
*tanh((GZF(k)-Loc_s)/Lh_s) + 0.5*(1.0d0**2.0 + 0.0d0**2.0)) ;
END DO
END IF
RETURN
END
!C----*|--.---------.---------.---------.---------.---------.---------.-|------
SUBROUTINE APPLY_BC_TH_LEFT(N,J)
!C----*|--.---------.---------.---------.---------.---------.---------.-|-----
! INCLUDE 'header_duct'
use ntypes
use Domain
use Grid
! use Fft_var
use TIME_STEP_VAR
use run_variable
use ADI_var
use mg_vari, only : INIT_FLAG
implicit none
INTEGER I,N,J
!C Left Wall:
IF (TH_BC_ZMIN(N) .EQ.0) THEN
!C Dirichlet
IF (IC_TYPE .EQ. 5) THEN
DO I=0,NXP
MATL_Z(I,0)=0.
MATD_Z(I,0)=1.
MATU_Z(I,0)=0.
VEC_Z(I,0)=0.
MATL_Z(I,1)=0.
MATD_Z(I,1)=1.
MATU_Z(I,1)=0.
VEC_Z(I,1)=U3_BAR(1,J)
END DO
ElSE
DO I=0,NXP
MATL_Z(I,0)=0.
MATD_Z(I,0)=1.
MATU_Z(I,0)=0.
VEC_Z(I,0)=TH_BC_ZMIN_C1(N)
MATL_Z(I,1)=0.
MATD_Z(I,1)=1.
MATU_Z(I,1)=0.
VEC_Z(I,1)=TH_BC_ZMIN_C1(N)
END DO
ENDIF
ELSE IF (TH_BC_ZMIN(N).eq.1) THEN
!C Neumann
DO I=0,NXP
MATL_Z(I,1)=0.
MATD_Z(I,1)=-1.
MATU_Z(I,1)=1.
VEC_Z(I,1)=DZ(2)*TH_BC_ZMIN_C1(N)
END DO
DO I=0,NXP
MATL_Z(I,0)=0.
MATD_Z(I,0)=-1.
MATU_Z(I,0)=1.
VEC_Z(I,0)=DZ(1)*TH_BC_ZMIN_C1(N)
END DO
ELSE
write(*,*) 'WARNING: TH_BC_LEFT is of unknown type'
END IF
RETURN
END
!C----*|--.---------.---------.---------.---------.---------.---------.-|----
SUBROUTINE APPLY_BC_TH_RIGHT(N,J)
!C----*|--.---------.---------.---------.---------.---------.---------.-|--
! INCLUDE 'header_duct'
use ntypes
use Domain
use Grid
! use Fft_var
use TIME_STEP_VAR
use run_variable
use ADI_var
use mg_vari, only : INIT_FLAG
implicit none
INTEGER I,N,J
!C Right wall
IF (TH_BC_ZMAX(N).EQ.0) THEN
!C Dirichlet
DO I=0,NXP
MATL_Z(I,NZ+1)=0.
MATD_Z(I,NZ+1)=1.
MATU_Z(I,NZ+1)=0.
VEC_Z(I,NZ+1)=TH_BC_ZMAX_C1(N)
MATL_Z(I,NZ)=0.
MATD_Z(I,NZ)=1.
MATU_Z(I,NZ)=0.
VEC_Z(I,NZ)=TH_BC_ZMAX_C1(N)
END DO
ELSE IF (TH_BC_ZMAX(N) .eq. 1) THEN
!C Neumann
DO I=0,NXP
MATL_Z(I,NZ)=-1.
MATD_Z(I,NZ)=1.
MATU_Z(I,NZ)=0.
VEC_Z(I,NZ)=DZ(NZ)*TH_BC_ZMAX_C1(N)
END DO
DO I=0,NXP
MATL_Z(I,NZ+1)=-1.
MATD_Z(I,NZ+1)=1.
MATU_Z(I,NZ+1)=0.
VEC_Z(I,NZ+1)=DZ(NZ+1)*TH_BC_ZMAX_C1(N)
END DO
ELSE IF (TH_BC_ZMAX(N) .eq. 5) THEN
DO I=0,NXP
MATL_Z(I,NZ+1)=-(1.d0/DZ(NZ)+1.d0/DZ(NZ+1))
MATD_Z(I,NZ+1)=1.d0/DZ(NZ+1)
MATU_Z(I,NZ+1)=0.
VEC_Z(I,NZ+1) =0.
END DO
END IF
RETURN
END
!C----*|--.---------.---------.---------.---------.---------.---------.-|------
SUBROUTINE APPLY_BC_1_LOWER(K)
!C----*|--.---------.---------.---------.---------.---------.---------.-|-----
! INCLUDE 'header_duct'
use ntypes
use Domain
use Grid
! use Fft_var
use TIME_STEP_VAR
use run_variable
use ADI_var
use mg_vari, only : INIT_FLAG
implicit none
INTEGER I,J,K
!C Bottom Wall:
IF (U_BC_YMIN.EQ.0) THEN
!C Dirichlet
If (F_TYPE.EQ.5)THEN
DO I=0,NXP
MATL(I,0)=0.
MATD(I,0)=1.
MATU(I,0)=0.
VEC(I,0)=0.
MATL(I,1)=0.
MATD(I,1)=1.
MATU(I,1)=0.
VEC(I,1)=-Q_H0*(1.d0/cos(ANG_BETA)+GX(NX/2)*tan(ANG_BETA) &
*In_H0)*sin(OMEGA0*TIME)
!c VEC(I,1)=0.0
END DO
ELSE
DO I=0,NXP
MATL(I,0)=0.
MATD(I,0)=1.
MATU(I,0)=0.
VEC(I,0)=U_BC_YMIN_C1
MATL(I,1)=0.
MATD(I,1)=1.
MATU(I,1)=0.
VEC(I,1)=U_BC_YMIN_C1
END DO
IF(IBM)THEN
DO I=0,NXP
DO J=0,hill_ind(I)
MATL(I,J)=0.
MATD(I,J)=1.
MATU(I,J)=0.
VEC(I,J)=U_BC_YMIN_C1
MATL(I,J)=0.
MATD(I,J)=1.
MATU(I,J)=0.
VEC(I,J)=U_BC_YMIN_C1
ENDDO
END DO
ENDIF
ENDIF
ELSE IF (U_BC_YMIN.eq.1) THEN
!C Neumann
DO I=0,NXP
MATL(I,0)=0.
MATD(I,0)=-1.
MATU(I,0)=1.
VEC(I,0)=DY(1)*U_BC_YMIN_C1
END DO
ELSE IF (U_BC_YMIN.eq.3) THEN
!C Wall model artificial slip boundary condition
!C Neumann
DO I=0,NXP
MATL(I,1)=0.
MATD(I,1)=-1.
MATU(I,1)=1.
VEC(I,1)=DY(2)*U_BC_LOWER_NWM(I,K)
END DO
!C This gridpoint is not used here
DO I=0,NXP
MATL(I,0)=0.
MATD(I,0)=1.
MATU(I,0)=0.
VEC(I,0)=0.
END DO
ELSE
write(*,*) 'WARNING: U_BC_LOWER is of unknown type'
END IF
RETURN
END
!C----*|--.---------.---------.---------.---------.---------.---------.-|----
SUBROUTINE APPLY_BC_1_UPPER(K)
!C----*|--.---------.---------.---------.---------.---------.---------.-|--
! INCLUDE 'header_duct'
use ntypes
use Domain
use Grid
! use Fft_var
use TIME_STEP_VAR
use run_variable
use ADI_var
use fft_var, only : PI
use mg_vari, only : INIT_FLAG
implicit none
INTEGER I,K
!C Top wall
IF (U_BC_YMAX.EQ.0) THEN
!C Dirichlet
DO I=0,NXP
IF (GZF(K) <= 0.75*GZF(NZ)) THEN
MATL(I,NY+1)=0.
MATD(I,NY+1)=1.
MATU(I,NY+1)=0.
VEC(I,NY+1)=U_BC_YMAX_C1*(DSIN(PI*((4*GZF(K))/(3*(GZF(NZ)-GZF(1))))))**2
MATL(I,NY)=0.
MATD(I,NY)=1.
MATU(I,NY)=0.
VEC(I,NY)=U_BC_YMAX_C1*(DSIN(PI*((4*GZF(K))/(3*(GZF(NZ)-GZF(1))))))**2
ELSE
MATL(I,NY+1)=0.
MATD(I,NY+1)=1.
MATU(I,NY+1)=0.
VEC(I,NY+1)=0.
MATL(I,NY)=0.
MATD(I,NY)=1.
MATU(I,NY)=0.
VEC(I,NY)=0.
END IF
END DO
ELSE IF (U_BC_YMAX.eq.1) THEN
!C Neumann
DO I=0,NXP
IF (GZF(K) <= 0.75*GZF(NZ)) THEN
MATL(I,NY)=-1.
MATD(I,NY)=1.
MATU(I,NY)=0.
VEC(I,NY)=DY(NY)*U_BC_YMAX_C1*(DSIN(PI*((4*GZF(K))/(3*(GZF(NZ)-GZF(1))))))**2
ELSE
MATL(I,NY)=-1.
MATD(I,NY)=1.
MATU(I,NY)=0.
VEC(I,NY)=0.
END IF
END DO
DO I=0,NXP
MATL(I,NY+1)=0.
MATD(I,NY+1)=1.
MATU(I,NY+1)=0.
VEC(I,NY+1)=0.
END DO
ELSE IF (U_BC_YMAX.EQ.3) THEN
!C Use wall model artificial boundary condition
!C Neumann
DO I=0,NXP
MATL(I,NY)=-1.
MATD(I,NY)=1.
MATU(I,NY)=0.
VEC(I,NY)=DY(NY)*U_BC_UPPER_NWM(I,K)
END DO
!C This gridpoint is not used here
DO I=0,NXP
MATL(I,NY+1)=0.
MATD(I,NY+1)=1.
MATU(I,NY+1)=0.
VEC(I,NY+1)=U1X(I,K,NY)
END DO
END IF
RETURN
END
!C----*|--.---------.---------.---------.---------.---------.---------.-|------
SUBROUTINE APPLY_BC_1_LEFT(J)
!C----*|--.---------.---------.---------.---------.---------.---------.-|-----
! INCLUDE 'header_duct'
use ntypes
use Domain
use Grid
! use Fft_var
use TIME_STEP_VAR
use run_variable
use ADI_var
use mg_vari, only : INIT_FLAG
implicit none
INTEGER I,J
!C Left Wall:
IF (U_BC_ZMIN.EQ.0) THEN
!C Dirichlet
DO I=0,NXP
MATL_Z(I,0)=0.
MATD_Z(I,0)=1.
MATU_Z(I,0)=0.
VEC_Z(I,0)=0.
IF (IC_TYPE .EQ. 5) THEN
MATL_Z(I,1)=0.
MATD_Z(I,1)=1.
MATU_Z(I,1)=0.
VEC_Z(I,1)= U1_BAR(J)
ELSE
MATL_Z(I,1)=0.
MATD_Z(I,1)=1.
MATU_Z(I,1)=0.
VEC_Z(I,1)=U_BC_ZMIN_C1
ENDIF
END DO
ELSE IF (U_BC_ZMIN.eq.1) THEN
!C Neumann
DO I=0,NXP
MATL_Z(I,0)=0.
MATD_Z(I,0)=-1.
MATU_Z(I,0)=1.
VEC_Z(I,0)=DZ(1)*U_BC_ZMIN_C1
END DO
ELSE IF (U_BC_ZMIN.eq.3) THEN
!C Wall model artificial slip boundary condition
!C Neumann
DO I=0,NXP
MATL_Z(I,1)=0.
MATD_Z(I,1)=-1.
MATU_Z(I,1)=1.
VEC_Z(I,1)=DZ(2)*U_BC_LOWER_NWM(I,J)
END DO
!C This gridpoint is not used here
DO I=0,NXP
MATL_Z(I,0)=0.
MATD_Z(I,0)=1.
MATU_Z(I,0)=0.
VEC_Z(I,0)=0.
END DO
ELSE
write(*,*) 'WARNING: U_BC_LEFT is of unknown type'
END IF
RETURN
END
!C----*|--.---------.---------.---------.---------.---------.---------.-|----
SUBROUTINE APPLY_BC_1_RIGHT(J)
!C----*|--.---------.---------.---------.---------.---------.---------.-|--
! INCLUDE 'header_duct'
use ntypes
use Domain
use Grid
! use Fft_var
use TIME_STEP_VAR
use run_variable
use ADI_var
use mg_vari, only : INIT_FLAG
implicit none
INTEGER I,J
!C Right wall
IF (U_BC_ZMAX.EQ.0) THEN
!C Dirichlet
DO I=0,NXP
MATL_Z(I,NZ+1)=0.
MATD_Z(I,NZ+1)=1.
MATU_Z(I,NZ+1)=0.
VEC_Z(I,NZ+1)=U_BC_ZMAX_C1
MATL_Z(I,NZ)=0.
MATD_Z(I,NZ)=1.
MATU_Z(I,NZ)=0.
VEC_Z(I,NZ)=U_BC_ZMAX_C1
END DO
ELSE IF (U_BC_ZMAX.eq.1) THEN
!C Neumann
DO I=0,NXP
MATL_Z(I,NZ)=-1.
MATD_Z(I,NZ)=1.
MATU_Z(I,NZ)=0.
VEC_Z(I,NZ)=DZ(NZ)*U_BC_ZMAX_C1
END DO
DO I=0,NXP
MATL_Z(I,NZ+1)=0.
MATD_Z(I,NZ+1)=1.
MATU_Z(I,NZ+1)=0.
VEC_Z(I,NZ+1)=0.
END DO
ELSE IF (U_BC_ZMAX.EQ.3) THEN
!C Use wall model artificial boundary condition
!C Neumann
DO I=0,NXP
MATL_Z(I,NZ)=-1.
MATD_Z(I,NZ)=1.
MATU_Z(I,NZ)=0.
VEC_Z(I,NZ)=DZ(NZ)*U_BC_UPPER_NWM(I,J)
END DO
!C This gridpoint is not used here
DO I=0,NXP
MATL_Z(I,NZ+1)=0.
MATD_Z(I,NZ+1)=1.
MATU_Z(I,NZ+1)=0.
VEC_Z(I,NZ+1)=U1X(I,NZ,J)
END DO
END IF
RETURN
END
!C----*|--.---------.---------.---------.---------.---------.---------.-|------
SUBROUTINE APPLY_BC_2_LOWER(K)
!C----*|--.---------.---------.---------.---------.---------.---------.-|-----
! INCLUDE 'header_duct'
use ntypes
use Domain
use Grid
! use Fft_var
use TIME_STEP_VAR
use run_variable
use ADI_var
use mg_vari, only : INIT_FLAG
implicit none
INTEGER I,J,K
!C Bottom Wall:
IF (V_BC_YMIN.EQ.0) THEN
!C Dirichlet
DO I=0,NXP
MATL(I,1)=0.
MATD(I,1)=1.
MATU(I,1)=0.
VEC(I,1)=V_BC_YMIN_C1
MATL(I,2)=0.
MATD(I,2)=1.
MATU(I,2)=0.
VEC(I,2)=V_BC_YMIN_C1
END DO
IF (IBM) THEN
DO I=0,NXP
DO J=1,hill_ind(I)
MATL(I,J)=0.
MATD(I,J)=1.
MATU(I,J)=0.
VEC(I,J)=V_BC_YMIN_C1
MATL(I,J)=0.
MATD(I,J)=1.
MATU(I,J)=0.
VEC(I,J)=V_BC_YMIN_C1
ENDDO
END DO
ENDIF
ELSE IF (V_BC_YMIN.eq.1) THEN
!C Neumann
DO I=0,NXP
MATL(I,1)=0.
MATD(I,1)=-1.
MATU(I,1)=1.
VEC(I,1)=DYF(1)*V_BC_YMIN_C1
END DO
ELSE IF (V_BC_YMIN.eq.3) THEN
!C Wall model artificial slip boundary condition
!C Neumann
DO I=0,NXP
MATL(I,1)=0.
MATD(I,1)=1.
MATU(I,1)=0.
VEC(I,1)=0.
MATL(I,2)=0.
MATD(I,2)=1.
MATU(I,2)=0.
VEC(I,2)=0.
END DO
!C This gridpoint is not used here
DO I=0,NXP
MATL(I,0)=0.
MATD(I,0)=1.
MATU(I,0)=0.
VEC(I,0)=0.
END DO
ELSE
write(*,*) 'WARNING: V_BC_LOWER is of unknown type'
END IF
!C The following is only a placeholder, this row is used for U1 and U3
DO I=0,NXP
MATL(I,0) = 0.
MATD(I,0) = 1.
MATU(I,0) = 0.
VEC(I,0) = 0.
END DO
RETURN
END
!C----*|--.---------.---------.---------.---------.---------.---------.-|----
SUBROUTINE APPLY_BC_2_UPPER(K)
!C----*|--.---------.---------.---------.---------.---------.---------.-|--
! INCLUDE 'header_duct'
use ntypes
use Domain
use Grid
! use Fft_var
use TIME_STEP_VAR
use run_variable
use ADI_var
use mg_vari, only : INIT_FLAG
implicit none
INTEGER I,K
!C Top wall
IF (V_BC_YMAX.EQ.0) THEN
!C Dirichlet
DO I=0,NXP
MATL(I,NY+1)=0.
MATD(I,NY+1)=1.
MATU(I,NY+1)=0.
VEC(I,NY+1)=V_BC_YMAX_C1
MATL(I,NY)=0.
MATD(I,NY)=1.
MATU(I,NY)=0.
VEC(I,NY)=V_BC_YMAX_C1
END DO
ELSE IF (V_BC_YMAX.eq.1) THEN
!C Neumann
DO I=0,NXP
MATL(I,NY+1)=-1.
MATD(I,NY+1)=1.
MATU(I,NY+1)=0.
VEC(I,NY+1)=DYF(NY)*V_BC_YMAX_C1
END DO
ELSE IF (V_BC_YMAX.EQ.3) THEN
!C Use wall model artificial boundary condition
!C Neumann
DO I=0,NXP
MATL(I,NY+1)=0.
MATD(I,NY+1)=1.
MATU(I,NY+1)=0.
VEC(I,NY+1)=0.
END DO
!C This gridpoint is not used here
DO I=0,NXP
MATL(I,NY)=0.
MATD(I,NY)=1.
MATU(I,NY)=0.
VEC(I,NY)=0.
END DO
END IF
RETURN
END
!C----*|--.---------.---------.---------.---------.---------.---------.-|------
SUBROUTINE APPLY_BC_2_LEFT(J)
!C----*|--.---------.---------.---------.---------.---------.---------.-|-----
! INCLUDE 'header_duct'
use ntypes
use Domain
use Grid
! use Fft_var
use TIME_STEP_VAR
use run_variable
use ADI_var
use mg_vari, only : INIT_FLAG
implicit none
INTEGER I,J
!C Left Wall:
IF (V_BC_ZMIN.EQ.0) THEN
!C Dirichlet
DO I=0,NXP
MATL_Z(I,0)=0.
MATD_Z(I,0)=1.
MATU_Z(I,0)=0.
VEC_Z(I,0)=V_BC_ZMIN_C1
IF (IC_TYPE .EQ. 5) THEN
MATL_Z(I,1)=0.
MATD_Z(I,1)=1.
MATU_Z(I,1)=0.
VEC_Z(I,1)=U2_BAR(1,j)
ELSE
MATL_Z(I,1)=0.
MATD_Z(I,1)=1.
MATU_Z(I,1)=0.
VEC_Z(I,1)=V_BC_ZMIN_C1
ENDIF
END DO
ELSE IF (V_BC_ZMIN.eq.1) THEN
!C Neumann
DO I=0,NXP
MATL_Z(I,0)=0.
MATD_Z(I,0)=-1.
MATU_Z(I,0)=1.
VEC_Z(I,0)=DZ(1)*V_BC_ZMIN_C1
END DO
ELSE IF (V_BC_ZMIN.eq.3) THEN
!C Wall model artificial slip boundary condition
!C Neumann
!c DO I=0,NXP
!c MATL_Z(I,1)=0.
!c MATD_Z(I,1)=-1.
!c MATU_Z(I,1)=1.
!c VEC_Z(I,1)=0.
!c END DO
!C This gridpoint is not used here
DO I=0,NXP
MATL_Z(I,0)=0.
MATD_Z(I,0)=1.
MATU_Z(I,0)=0.
VEC_Z(I,0)=DZ(1)*V_BC_ZMIN_C1
END DO
ELSE
write(*,*) 'WARNING: V_BC_LEFT is of unknown type'
END IF
RETURN
END
!C----*|--.---------.---------.---------.---------.---------.---------.-|----
SUBROUTINE APPLY_BC_2_RIGHT(J)
!C----*|--.---------.---------.---------.---------.---------.---------.-|--
! INCLUDE 'header_duct'
use ntypes
use Domain
use Grid
! use Fft_var
use TIME_STEP_VAR
use run_variable
use ADI_var
use mg_vari, only : INIT_FLAG
implicit none
INTEGER I,J
!C Right wall
IF (V_BC_ZMAX.EQ.0) THEN
!C Dirichlet