input generator

.gitlab-ci.yml

@@ -16,4 +16,6 @@ test:
   script:
     - cd ${CI_PROJECT_DIR}
     - cd code
-    - make test
+    - make clean && make
+    - cd sample/4pi-IC1
+    - ../../ex

code/makefile

@@ -1,5 +1,9 @@
 flags = -Wall -O3 -fdefault-integer-8 -fdefault-double-8 -fdefault-real-8  -march=native 
 
+ifdef CHECK
+flags += -fcheck=all
+endif
+
 compiler = gfortran
 
 ex  : test.o ysolve.mod compact.mod

code/sample/4pi-IC1/itape

@@ -16,4 +16,6 @@
      c_ref     0.01  !0.003     ! 
     min_wr     0.        ! 5.0e-14
    prof_wr     1.0       
+      rvis     1.0
+     cstar     1.0
 

code/sample/itape.py

@@ -0,0 +1,43 @@
+#!/bin/python
+
+import os, sys
+
+import argparse
+
+parser = argparse.ArgumentParser()
+parser.add_argument("mu_ratio", help="mu1/mu0, ratio between reaction-diffusion layer mu1 and convection-diffusion layer mu0")
+parser.add_argument("c_star",  help="reference c value seperate reaction-diffusion and convection-diffusion layers")
+args = parser.parse_args()
+
+
+# with open("itape.format") as itapeform:
+    # format = itapeform.read()
+
+itape = '''        nx     512
+       l_0     4.   !3[pi]   
+    int_pr     400
+    tar_lo     0.60
+        dt     0.001 
+        sc     0.75
+       vis     0.020           !2pi(162)ref  !2pi(256)mid  !2pi(256)Max !2p(162)Low
+       pre     2.10E+4       !185.75          !185.75       !316.88       !440.5       !102.69
+        ac     26.7            !22.250          !22.25        !22.56        !22.3        !22.39
+        bc     3.              !7.000           !7.0          !7.0          !7.0         !7.0
+        u0     0.21
+        tf     100.
+     dt_uf     0.4
+      ctmp     0.        !1.0e-14
+     c_cut     0.001 !0.012     ! c < c_cut -> wrate = 0.
+     c_ref     0.01  !0.003     ! 
+    min_wr     0.        ! 5.0e-14
+   prof_wr     1.0       
+      rvis     {}
+     cstar     {}
+'''
+
+print itape.format( args.mu_ratio, args.c_star )
+
+# for i in range(15,60,5):
+    # with open("itape", 'w') as itape:
+        # itape.write(format.format(float(i)/10.0))
+    # os.system("../../ex &>"+str(i)+".txt")

code/test.f90

@@ -6,5 +6,6 @@
     PROGRAM test
      USE ysolve
      IMPLICIT NONE
+     CALL parse
      CALL solve
     END PROGRAM test

code/test.sh

@@ -1,4 +1,4 @@
 cd sample/4pi-IC1
 ls
 ../../ex
-diff sfield.dat sfield.diff
+diff -y sfield.dat sfield.diff

code/ysolve.f90

@@ -4,12 +4,14 @@
      PRIVATE
      REAL, PARAMETER :: pi=3.14159265358979323846
      REAL :: hx,dt,vis,sc,diff,pre,ac,bc,tf,t_now,t_uf,dt_uf
+     REAL :: rvis,cstar
      REAL :: c_cut,c_ref,refwr,minf,tar_lo,u0,ctmp,l_0,lo_flm=0.
      REAL :: er_lof=0., erdot=0.,min_wr,prof_wr
      REAL :: pflame,pflold,oldu
      INTEGER :: ncyc=0,int_pr,nx
      REAL, DIMENSION(:,:,:), ALLOCATABLE :: u,y1,y2,yf
      REAL, DIMENSION(:), ALLOCATABLE :: uxt,duxt
+     REAL, DIMENSION(:), ALLOCATABLE :: dm
 
      INTEGER :: istage
      REAL, DIMENSION(5) :: a=(/ 970286171893./4311952581923.,    &
@@ -23,8 +25,38 @@
                                 2114624349019./3568978502595.,   &
                                 5198255086312./14908931495163. /)
 
-     PUBLIC :: solve
+     LOGICAL :: read_itape, read_stdin
+     CHARACTER(100) :: itape_name
+     PUBLIC :: solve, parse
     CONTAINS
+!------------------------------------------------------------------------
+     SUBROUTINE parse
+        CHARACTER(100) :: num1char
+
+        !First, make sure the right number of inputs have been provided
+        IF(COMMAND_ARGUMENT_COUNT().EQ.0)THEN
+          ! read from itape
+          read_itape = .true.
+        ELSE IF(COMMAND_ARGUMENT_COUNT().EQ.1)THEN
+          CALL GET_COMMAND_ARGUMENT(1,num1char)   !first, read in the two values
+        ELSE
+          WRITE(*,*)'ERROR, TOO MANY COMMAND-LINE ARGUMENTS(MORE THAN ONE). STOPPING'
+          STOP
+        ENDIF
+
+        read_stdin = (num1char=="-")
+
+        IF(read_itape)THEN
+          itape_name = "itape"
+          WRITE(*,*) "Read from itape"
+        ELSE IF(read_stdin)THEN
+          WRITE(*,*) "Read from STDIN"
+        ELSE 
+          itape_name = num1char
+          WRITE(*,*) "Read from " // num1char
+        END IF
+
+     END SUBROUTINE parse
 !------------------------------------------------------------------------
      SUBROUTINE solve
       INTEGER :: i,j,k,savenum
@@ -84,6 +116,7 @@
       REAL :: c,yr,wrate,dely,sdr,sdd,sd,uu,onelw,dd
       INTEGER :: i,j,k,nd
       REAL, DIMENSION(1,nx) :: ux,dux,d2ux
+      REAL, DIMENSION(1,nx) :: duy
       REAL, DIMENSION(10,nx) :: sav
         
       sav=0.
@@ -101,11 +134,15 @@
        IF (ux(1,i).gt.1.) ux(1,i)=1.                                  
       ENDDO
           
+      dm = (/ (diff * diffusivity_sigmoid(1.-y1(i,1,1)), i=1,nx) /)
+
       nd=1
       CALL dfnonp(nx,hx,ux(1,:),dux(1,:),nd,1)  
+      CALL dfnonp(nx,hx,dm,duy(1,:),nd,1)
       nd=1 
       CALL d2fnonp(nx,hx,ux(1,:),d2ux(1,:),nd,1) 
 
+
       DO i=1,nx
        yr=ux(1,i)
        c=1.-yr
@@ -127,14 +164,14 @@
 
        dely=ABS(dux(1,i))
        sdr=wrate/dely
-       sdd=-diff*d2ux(1,i)/dely
+       sdd=-(dm(i)*d2ux(1,i)+duy(1,i)*dux(1,i))/dely
        IF (dely.eq.0.) THEN
         sdr=0.; sdd=0.
        ENDIF
        sd=sdr+sdd
        uu=u(1,1,1)
        onelw=(-dux(1,i))/c
-       dd=-diff*d2ux(1,i)
+       dd=-(dm(i)*d2ux(1,i)+duy(1,i)*dux(1,i))
        if (c.eq.0.) onelw=0.
 
        sav(1,i)=sav(1,i)+yr
@@ -249,9 +286,14 @@
      SUBROUTINE READ_INTRO
        CHARACTER(LEN=8) :: cdum
        INTEGER :: itape=300,otape=301,ierr
+       INTEGER :: i
 
+       IF (read_stdin) THEN
+         itape=5
+       ELSE
+         OPEN(itape,FILE=itape_name)
+       END IF
 
-       OPEN(itape,FILE='itape')
        OPEN(otape,FILE='otape')
         READ(itape,*) cdum,nx
         WRITE(otape,*) cdum,nx
@@ -291,8 +333,18 @@
         WRITE(otape,*) cdum,min_wr
         READ(itape,*) cdum,prof_wr
         WRITE(otape,*) cdum,prof_wr
+        READ(itape,*) cdum,rvis
+        WRITE(otape,*) cdum,rvis
+        READ(itape,*) cdum,cstar
+        WRITE(otape,*) cdum,cstar
 
+       DO i = 0,100
+        WRITE(*,*) diffusivity_sigmoid(i / 100.)
+       END DO
+
+       IF (.not.read_stdin) THEN
          CLOSE(itape)
+       END IF
 
 !       hx=l_0*pi/REAL(nx)
        hx=l_0*pi/REAL(nx-1)
@@ -318,6 +370,7 @@
        ALLOCATE(yf(nx,1,1),STAT=ierr)  ; yf=0.
        ALLOCATE(uxt(nx),STAT=ierr)     ; uxt=0.
        ALLOCATE(duxt(nx),STAT=ierr)    ; duxt=0.
+       ALLOCATE(dm(nx),STAT=ierr)      ; dm=diff
 
      END SUBROUTINE READ_INTRO
 
@@ -364,6 +417,7 @@
       REAL, INTENT(IN),DIMENSION(:,:,:) :: r1
       REAL, INTENT(OUT),DIMENSION(:,:,:) :: f
       REAL, DIMENSION(3,nx) :: ux,dux,d2ux
+      REAL, DIMENSION(1,nx) :: duy
       INTEGER :: i,j,k
       REAL :: wrate,Ly,Dy
 
@@ -376,7 +430,10 @@
          ux(3,i)=r1(i,j,k)                              ! Y
         ENDDO
 
+      dm = (/ (diff * diffusivity_sigmoid(1.-r1(i,1,1)), i=1,nx) /)
+
         CALL dfnonp(nx,hx,ux(1:3,:),dux(1:3,:),3,1)
+        CALL dfnonp(nx,hx,dm,duy(1,:),1,1)
         CALL d2fnonp(nx,hx,ux(3:3,:),d2ux(1,:),1,1)
 
         DO i=1,nx
@@ -395,57 +452,14 @@
 ! -0.5*( d(u*Y)/dx + u*dY/dx + Y*du/dx ) + D*d2Y/d2x
          f(i,j,k)=-0.5*( dux(1,i) + ux(2,i)*dux(3,i) + &
           ux(3,i)*dux(2,i) ) &
-                  + diff*d2ux(1,i) - wrate
+                  + dm(i)*d2ux(1,i) + duy(1,i)*dux(3,i) - wrate
          IF (i.eq.nx) THEN
           Ly=ux(2,nx)*dux(3,nx)                           ! Ly = u*dYr/dx
           f(nx,1,1)=-wrate
          ENDIF
         ENDDO
        ENDDO
-!! y-direction
-!       DO i=1,nx
-!        DO j=1,ny
-!         uy(1,j)=v(i,j,k)*r1(i,j,k)                     ! v*Y
-!         uy(2,j)=v(i,j,k)                               ! v
-!         uy(3,j)=r1(i,j,k)                              ! Y
-!        ENDDO
-!        CALL dfyz3(ny,hy,uy(1:3,:),duy)
-!        CALL d2fyz1(ny,hy,uy(3:3,:),d2uy)
-!        DO j=1,ny
-!        f(i,j,k)=f(i,j,k) + &
-!        -0.5*( duy(1,j) + uy(2,j)*duy(3,j) + uy(3,j)*duy(2,j) ) &
-!                   + diff*d2uy(j)
-!        ENDDO
-!       ENDDO
       ENDDO
-!      f(1,1,1)=1.0
-!      f(nx,1,1)=-0.5*( dux(1,nx) + ux(2,nx)*dux(3,nx) + ux(3,nx)*dux(2,nx) )
-!      f(nx,1,1)=0.0
-!! z-direction
-!      DO j=1,ny
-!       DO i=1,nx
-!        DO k=1,nz
-!         uy(1,k)=w(i,j,k)*r1(i,j,k)                     ! w*Y
-!         uy(2,k)=w(i,j,k)                               ! w
-!         uy(3,k)=r1(i,j,k)                              ! Y
-!        ENDDO
-!        CALL dfyz3(ny,hy,uy(1:3,:),duy)
-!        CALL d2fyz1(ny,hy,uy(3:3,:),d2uy)
-!        DO k=1,nz
-!        f(i,j,k)=f(i,j,k) + &
-!        -0.5*( duy(1,k) + uy(2,k)*duy(3,k) + uy(3,k)*duy(2,k) ) &
-!                        + diff*d2uy(k)
-!        ENDDO
-!       ENDDO
-!      ENDDO
-
-!      DO j=1,ny
-!       DO k=1,nz
-!         f(1,j,k)=0.0
-!         f(nx,j,k)=-0.5*(dux(1,nx)+ux(2,nx)*dux(3,nx)+ux(3,nx)*&
-!           dux(2,nx))
-!       ENDDO
-!      ENDDO
 
 !    Boundary conditionS
       f(1,1,1)=0.
@@ -454,5 +468,21 @@
       f(nx,1,1)=f(nx,1,1)-Dy
 
      END SUBROUTINE fns
+!------------------------------------------------------------------------
+     REAL FUNCTION sigmoid(x)
+         REAL, INTENT(IN) :: x
+         sigmoid = 1. / (1 + exp(-x))
+     END FUNCTION sigmoid
+!------------------------------------------------------------------------
+     REAL FUNCTION diffusivity_sigmoid(c)
+         REAL, INTENT(IN) :: c
+         REAL :: a = 100.
+         diffusivity_sigmoid = 1. + (rvis - 1.) * sigmoid(a*(c-cstar))
+     END FUNCTION diffusivity_sigmoid
+!------------------------------------------------------------------------
+     REAL FUNCTION diffusivity_T076(c)
+         REAL, INTENT(IN) :: c
+         diffusivity_T076 = ((1.0 + bc * c) ** 0.76)
+     END FUNCTION diffusivity_T076
 !------------------------------------------------------------------------
     END MODULE ysolve