#cls
text(In-Form equivalent of PLANT case Z122
title
libref=722
  
  DISPLAY
  
  This In-Form case does what Z122 does, but without fortran coding
  or re-compilation and use of neighbour technique.
  
  It uses the In-Form functions:
      SOURCE, HIGH, LOW and WEST.
  
  The Q1 contains PHOTON USE commands
  ENDDIS  
  PHOTON USE
  p
 
 
 
  up 1 0 0;vi 0.5 1 0.75
  gr ou x 1;gr ou y 1;gr ou z 1
  gr ou x m;gr ou y m;gr ou z m
  gr ou x 1 y 1 2 z 2 2 col 2
  gr ou x 6 y 1 2 z 7 7 col 2
  gr ou z 4 x 1 4 y 1 3 col 6
  gr ou z 6 x 2 5 y 1 3 col 6
  ve y 2 sh
 
  msg                3D SHELL-AND-TUBE HEAT EXCHANGER
  msg                --------------------------------
  msg                    Velocity 1 phase:
  msg  Press Enter to continue
  pause;vi 0 1 0
  msg                3D SHELL-AND-TUBE HEAT EXCHANGER
  msg                --------------------------------
  msg              Temperature distribution 1 phase:
  con 1sth y 2 sh;in 50
  msg  Press Enter to continue
  pause
  con off;red
  msg                3D SHELL-AND-TUBE HEAT EXCHANGER
  msg                --------------------------------
  msg              Temperature distribution 2 phase:
  con 2ndh y 2 sh;in 50
  msg Press e to END
  ENDUSE

load(z122) 
text(In-Form equivalent of PLANT case Z122
libref=722

  INFORM13BEGIN                                           
    ** The next line de-activates PLANT **
namsat=none
RESIST=SKIP

    ** The next lines de-activate neighbour technique **
NEH1=SKIP
NEW1=SKIP
NEL1=SKIP
NEW2=SKIP
NEH2=SKIP
NEW3=SKIP
NEL2=SKIP
NEW4=SKIP
NEH3=SKIP
NEPLUS=SKIP
NEMINUS=SKIP

LSWEEP=200

     ** The following In-Form formulae replace actions
        of the neighbour technique                     **

REAL(COEF); COEF=FLO2/3.0
     ** Flow of tube fluid in first pass **
PATCH(INEH1,CELL,1,1,1,NY,1,NZ-1,1,1000)
(SOURCE 2NDH at INEH1 is COEF*(2NDH[,,+1]-2NDH) with LINE)

  The equivalent of it is the following In-Form statement
  (SOURCE 2NDH at INEH1 is COEF*(HIGH(2NDH)-2NDH) with LINE)
 
     ** Flow of tube fluid in first bend **
PATCH(INEW1,CELL,2,2,1,NY,1,1,1,1000)
(SOURCE 2NDH at INEW1 is COEF*(2NDH[-1]-2NDH) with LINE)

     ** The equivalent of it is the following In-Form statement
  (SOURCE 2NDH at INEW1 is COEF*(WEST(2NDH)-2NDH) with LINE)
 
     ** Flow of tube fluid in second pass **
PATCH(INEL1,CELL,2,2,1,NY,2,NZ,1,1000)
(SOURCE 2NDH at INEL1 is COEF*(2NDH[,,-1]-2NDH) with LINE)

     ** The equivalent of it is the following In-Form statement
  (SOURCE 2NDH at INEL1 is COEF*(LOW(2NDH)-2NDH) with LINE)
 
     ** Flow of tube fluid in second bend **
PATCH(INEW2,CELL,3,3,1,NY,NZ,NZ,1,1000)
(SOURCE 2NDH at INEW2 is COEF*(2NDH[-1]-2NDH) with LINE)

     ** The equivalent of it is the following In-Form statement
  (SOURCE 2NDH at INEW2 is COEF*(WEST(2NDH)-2NDH) with LINE)
 
     ** Flow of tube fluid in third pass **
PATCH(INEH2,CELL,3,3,1,NY,1,NZ-1,1,1000)
(SOURCE 2NDH at INEH2 is COEF*(2NDH[,,+1]-2NDH) with LINE)

     ** The equivalent of it is the following In-Form statement
  (SOURCE 2NDH at INEH2 is COEF*(HIGH(2NDH)-2NDH) with LINE)
 
     ** Flow of tube fluid in third bend **
PATCH(INEW3,CELL,4,4,1,NY,1,1,1,1000)
(SOURCE 2NDH at INEW3 is COEF*(2NDH[-1]-2NDH) with LINE)

     ** The equivalent of it is the following In-Form statement
  (SOURCE 2NDH at INEW3 is COEF*(WEST(2NDH)-2NDH) with LINE)
 
     ** Flow of tube fluid in fourth pass **
PATCH(INEL2,CELL,4,4,1,NY,2,NZ,1,1000)
(SOURCE 2NDH at INEL2 is COEF*(2NDH[,,-1]-2NDH) with LINE)

     ** The equivalent of it is the following In-Form statement
  (SOURCE 2NDH at INEL2 is COEF*(LOW(2NDH)-2NDH) with LINE)
 
     ** Flow of tube fluid in fourth bend **
PATCH(INEW4,CELL,NX,NX,1,NY,NZ,NZ,1,1000)
(SOURCE 2NDH at INEW4 is COEF*(2NDH[-1]-2NDH) with LINE)

     ** The equivalent of it is the following In-Form statement
  (SOURCE 2NDH at INEW4 is COEF*(WEST(2NDH)-2NDH) with LINE)
 
     ** Flow of tube fluid in fifth pass **
PATCH(INEH3,CELL,NX,NX,1,NY,1,NZ-1,1,1000)
(SOURCE 2NDH at INEH3 is COEF*(2NDH[,,+1]-2NDH) with LINE)

     ** The equivalent of it is the following In-Form statement
  (SOURCE 2NDH at INEH3 is COEF*(HIGH(2NDH)-2NDH) with LINE)
 
     ** Heat-exchange with tube fluid, throughout the exchanger.
PATCH(INEPLUS,VOLUME,1,NX,1,NY,1,NZ,1,1000)
(SOURCE 1STH at INEPLUS is COEF12*(2NDH-1STH) with LINE)

     ** Heat-exchange with shell fluid, throughout the exchanger.
PATCH(INEMINUS,VOLUME,1,NX,1,NY,1,NZ,1,1000)
(SOURCE 2NDH at INEMINUS is COEF12*(1STH-2NDH) with LINE)
  
     ** In-Form formulae which are equivalent to the
        PLANT formulae of z122                      **

PATCH(iRESIST,PHASEM,1,NX,1,NY,1,NZ,1,1000)
(SOURCE of U1 at iRESIST is RESCO*(0-U1) with LINE)
(SOURCE of V1 at iRESIST is RESCO*(0-V1) with LINE)
(SOURCE of W1 at iRESIST is 0.5*RESCO*(0-W1) with LINE)

  INFORM13END

     ** The following settings have been chosen as being
        preferable to those of z122, in respect of convergence.
RELAX(2NDH,FALSDT,1.)

DISTIL=T
EX(P1)=1.191E+02; EX(U1)=3.000E-01
EX(V1)=2.262E-02; EX(W1)=3.339E-01
STOP