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parameters.f90
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!################################################################################
!This file is part of Incompact3d.
!
!Incompact3d
!Copyright (c) 2012 Eric Lamballais and Sylvain Laizet
!eric.lamballais@univ-poitiers.fr / sylvain.laizet@gmail.com
!
! Incompact3d is free software: you can redistribute it and/or modify
! it under the terms of the GNU General Public License as published by
! the Free Software Foundation.
!
! Incompact3d is distributed in the hope that it will be useful,
! but WITHOUT ANY WARRANTY; without even the implied warranty of
! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
! GNU General Public License for more details.
!
! You should have received a copy of the GNU General Public License
! along with the code. If not, see <http://www.gnu.org/licenses/>.
!-------------------------------------------------------------------------------
!-------------------------------------------------------------------------------
! We kindly request that you cite Incompact3d in your publications and
! presentations. The following citations are suggested:
!
! 1-Laizet S. & Lamballais E., 2009, High-order compact schemes for
! incompressible flows: a simple and efficient method with the quasi-spectral
! accuracy, J. Comp. Phys., vol 228 (15), pp 5989-6015
!
! 2-Laizet S. & Li N., 2011, Incompact3d: a powerful tool to tackle turbulence
! problems with up to 0(10^5) computational cores, Int. J. of Numerical
! Methods in Fluids, vol 67 (11), pp 1735-1757
!################################################################################
!
!********************************************************************
!
subroutine parameter()
!
!********************************************************************
USE param
USE IBM
USE variables
USE decomp_2d
implicit none
real(mytype) :: re, theta, cfl,cf2
integer :: longueur ,impi,j
character :: a*80
#ifdef DOUBLE_PREC
pi=dacos(-1.d0)
#else
pi=acos(-1.)
#endif
twopi=2.*pi
1000 format(a,80x)
1003 format(a,80x)
open(10,file='incompact3d.prm',status='unknown',form='formatted')
read (10,1000) a
read (10,1000) a
read (10,1000) a
read (10,*) xlx
read (10,*) yly
read (10,*) zlz
read (10,*) re
read (10,*) pr
read (10,*) sc
read (10,*) frx
read (10,*) fry
read (10,*) frz
read (10,*) u1
read (10,*) u2
read (10,*) dens1
read (10,*) dens2
read (10,*) noise
read (10,*) noise1
read (10,*) dt
read (10,1000) a
read (10,1000) a
read (10,1000) a
read (10,*) nclx
read (10,*) ncly
read (10,*) nclz
read (10,*) itype
read (10,*) iin
read (10,*) ifirst
read (10,*) ilast
read (10,*) nscheme
read (10,*) nrhoscheme
read (10,*) istret
read (10,*) beta
read (10,*) ilmn
read (10,*) iskew
read (10,*) iscalar
read (10,1000) a
read (10,1000) a
read (10,1000) a
read (10,*) ilit
read (10,*) isave
read (10,*) imodulo
read (10,1000) a
read (10,1000) a
read (10,1000) a
read (10,*) ivirt
read (10,*) cex
read (10,*) cey
read (10,*) cez
read (10,*) ra
read (10,1000) a
close(10)
if (nrank==0) then
print *,'==========================================================='
print *,'==========================================================='
print *,'==========================================================='
print *,'======================Incompact3d=========================='
print *,'===Copyright (c) 2012 Eric Lamballais and Sylvain Laizet==='
print *,'eric.lamballais@univ-poitiers.fr / sylvain.laizet@gmail.com'
print *,'==========================================================='
print *,'==========================================================='
print *,'==========================================================='
print *,''
print *,''
print *,''
if (itype.eq.1) print *,'Constant flow field'
if (itype.eq.2) print *,'Channel flow'
if (itype.eq.3) print *,'Wake flow'
if (itype.eq.4) print *,'Mixing layer with splitter plate'
if (itype.eq.5) print *,'Channel flow'
if (itype.eq.6) print *,'Taylor Green vortices'
if (itype.eq.7) print *,'Cavity flow'
if (itype.eq.8) print *,'Flat plate Boundary layer'
if (itype.eq.9) print *,'Water tank'
write(*,1101) nx,ny,nz
write(*,1103) xlx,yly,zlz
write(*,1102) nclx,ncly,nclz
write(*,1104) u1,u2
write(*,1105) dens1,dens2
write(*,1106) re
write(*,1107) dt
write(*,1112) pr
if (nscheme.eq.1) print *,'Temporal scheme : Adams-bashforth 4'
if (nscheme.eq.2) print *,'Temporal scheme : Runge-Kutta 3'
if (nscheme.eq.3) print *,'Temporal scheme : Runge-Kutta 4'
if (iscalar.eq.0) print *,'Passive scalar : off'
if (iscalar.eq.1) then
print *,'Passive scalar : on'
write (*,1113) sc
endif
write(*,1114) frx,fry,frz
if (ivirt.eq.0) print *,'Immersed boundary : off'
if (ivirt.eq.1) then
print *,'Immersed boundary : on old school'
write(*,1108) cex,cey,cez
write(*,1110) ra
endif
if (ivirt.eq.2) then
print *,'Immersed boundary : on with Lagrangian Poly'
endif
if (ilmn.ne.0) then
print *, "Low Mach Number: Enabled"
endif
if (iskew.eq.0) then
print *, "Adv-MOM: Rotational"
else if (iskew.eq.1) then
print *, "Adv-MOM: Quasi-skew symmetric"
else if (iskew.eq.2) then
print *, "Adv-MOM: Skew symmetric"
else
print *, "Unknown iskew=", iskew
STOP
endif
1101 format(' Spatial Resolution: (nx,ny,nz)=(',I4,',',I4,',',I4,')')
1102 format(' Boundary condition: (nclx,ncly,nclz)=(',I1,',',I1,',',I1,')')
1103 format(' Domain dimension : (lx,ly,lz)=(',F6.1,',',F6.1,',',F6.1,')')
1104 format(' High and low speed: u1=',F6.2,' and u2=',F6.2)
1105 format(' High and low density: dens1=',F6.2,' and dens2=',F6.2)
1106 format(' Reynolds number Re: ',F15.8)
1107 format(' Time step dt : ',F15.8)
1108 format(' Object centred at : (',F6.2,',',F6.2,',',F6.2,')')
1110 format(' Object length : ',F6.2)
1112 format(' Prandtl number : ',F6.2)
1113 format(' Schmidt number : ',F6.2)
1114 format(' Froude number : (frx,fry,frz)=(',F6.2,',',F6.2,',',F6.2,')')
endif
xnu=1._mytype/re
if (nclx==0) dx=xlx/nx
if (nclx==1 .or. nclx==2) dx=xlx/(nx-1._mytype)
if (ncly==0) dy=yly/ny
if (ncly==1.or.ncly==2) dy =yly/(ny-1._mytype)
dx2=dx*dx
dy2=dy*dy
#ifndef TWOD
if (nclz==0) dz=zlz/nz
if (nclz==1.or.nclz==2) dz=zlz/(nz-1._mytype)
dz2=dz*dz
#endif
if (istret.eq.0) then
do j=1,ny
yp(j)=(j-1._mytype)*dy
ypi(j)=(j-0.5_mytype)*dy
enddo
else
call stretching()
endif
!******************************************************************
!
!**TIME ADVANCE***1=AB2***2=RK3***3=RK4C&K******************
!
!******************************************************************
adt(:)=0._mytype ; bdt(:)=0._mytype ; cdt(:)=0._mytype ; gdt(:)=0._mytype
if (nscheme==1) then!AB2
iadvance_time=1
adt(1)=1.5_mytype*dt
bdt(1)=-0.5_mytype*dt
gdt(1)=adt(1)+bdt(1)
gdt(3)=gdt(1)
endif
if (nscheme==2) then !RK3
iadvance_time=3
adt(1)=(8._mytype/15._mytype)*dt
bdt(1)=0._mytype
gdt(1)=adt(1)
adt(2)=(5._mytype/12._mytype)*dt
bdt(2)=(-17._mytype/60._mytype)*dt
gdt(2)=adt(2)+bdt(2)
adt(3)=(3._mytype/4._mytype)*dt
bdt(3)=(-5._mytype/12._mytype)*dt
gdt(3)=adt(3)+bdt(3)
endif
if (nscheme==3) then !RK4 Carpenter and Kennedy
iadvance_time=5
adt(1)=0._mytype
adt(2)=-0.4178904745_mytype
adt(3)=-1.192151694643_mytype
adt(4)=-1.697784692471_mytype
adt(5)=-1.514183444257_mytype
bdt(1)=0.1496590219993_mytype
bdt(2)=0.3792103129999_mytype
bdt(3)=0.8229550293869_mytype
bdt(4)=0.6994504559488_mytype
bdt(5)=0.1530572479681_mytype
gdt(1)=0.1496590219993_mytype*dt
gdt(2)=0.220741935365_mytype*dt
gdt(3)=0.25185480577_mytype*dt
gdt(4)=0.33602636754_mytype*dt
gdt(5)=0.041717869325_mytype*dt
endif
if (nscheme==4) then!AB3
iadvance_time=1
adt(1)= (23._mytype/12._mytype)*dt
bdt(1)=-(16._mytype/12._mytype)*dt
cdt(1)= ( 5._mytype/12._mytype)*dt
gdt(1)=adt(1)+bdt(1)+cdt(1)
gdt(3)=gdt(1)
endif
return
end subroutine parameter