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tools.f90
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!Copyright (c) 2012-2022, Xcompact3d
!This file is part of Xcompact3d (xcompact3d.com)
!SPDX-License-Identifier: BSD 3-Clause
module tools
use decomp_2d_constants
use decomp_2d_mpi
use decomp_2d
implicit none
logical, save :: adios2_restart_initialised = .false.
character(len=*), parameter :: io_restart = "restart-io"
character(len=*), parameter :: resfile = "checkpoint"
character(len=*), parameter :: resfile_old = "checkpoint.old"
character(len=*), parameter :: io_ioflow = "in-outflow-io"
private
public :: test_speed_min_max, test_scalar_min_max, &
restart, &
simu_stats, &
apply_spatial_filter, read_inflow, append_outflow, write_outflow, init_inflow_outflow, &
compute_cfldiff, compute_cfl, &
rescale_pressure, mean_plane_x, mean_plane_y, mean_plane_z
contains
!##################################################################
!##################################################################
subroutine test_scalar_min_max(phi)
use variables
use param
use var
use mpi
use dbg_schemes, only: abs_prec
implicit none
integer :: code,ierror,i,j,k,is,jglob
real(mytype) :: phimax,phimin,phimax1,phimin1
real(mytype),dimension(xsize(1),xsize(2),xsize(3),numscalar) :: phi
real(mytype),dimension(2,numscalar) :: phimaxin,phimaxout
do is=1, numscalar
ta1(:,:,:) = phi(:,:,:,is)
! ibm
if (iibm > 0) then
ta1(:,:,:) = (one - ep1(:,:,:)) * ta1(:,:,:)
endif
phimax=-1609._mytype
phimin=1609._mytype
phimax = maxval(ta1(:,:,:))
phimin =-minval(ta1(:,:,:))
phimaxin(:,is) = (/phimin, phimax /)
enddo
call MPI_REDUCE(phimaxin,phimaxout,numscalar*2,real_type,MPI_MAX,0,MPI_COMM_WORLD,code)
do is=1,numscalar
if (nrank == 0) then
phimin1 = -phimaxout(1,is)
phimax1 = phimaxout(2,is)
write(*,*) 'Phi'//char(48+is)//' min max=', real(phimin1,4), real(phimax1,4)
if (abs_prec(phimax1) > 100._mytype) then !if phi control turned off
write(*,*) 'Scalar diverged! SIMULATION IS STOPPED!'
call MPI_ABORT(MPI_COMM_WORLD,code,ierror); stop
endif
endif
enddo
return
end subroutine test_scalar_min_max
!##################################################################
!##################################################################
subroutine test_speed_min_max(ux,uy,uz)
use variables
use param
use var
use mpi
use dbg_schemes, only: abs_prec
implicit none
integer :: code,ierror,i,j,k
real(mytype) :: uxmax,uymax,uzmax,uxmin,uymin,uzmin
real(mytype) :: uxmax1,uymax1,uzmax1,uxmin1,uymin1,uzmin1
real(mytype),dimension(xsize(1),xsize(2),xsize(3)) :: ux,uy,uz
real(mytype),dimension(6) :: umaxin, umaxout
if (iibm > 0) then
ux(:,:,:) = (one - ep1(:,:,:)) * ux(:,:,:)
uy(:,:,:) = (one - ep1(:,:,:)) * uy(:,:,:)
uz(:,:,:) = (one - ep1(:,:,:)) * uz(:,:,:)
endif
uxmax=-1609.;uymax=-1609.;uzmax=-1609.;uxmin=1609.;uymin=1609.;uzmin=1609.
!
! More efficient version
uxmax=maxval(ux)
uymax=maxval(uy)
uzmax=maxval(uz)
uxmin=-minval(ux)
uymin=-minval(uy)
uzmin=-minval(uz)
umaxin = (/uxmax, uymax, uzmax, uxmin, uymin, uzmin/)
call MPI_REDUCE(umaxin,umaxout,6,real_type,MPI_MAX,0,MPI_COMM_WORLD,code)
uxmax1= umaxout(1)
uymax1= umaxout(2)
uzmax1= umaxout(3)
uxmin1=-umaxout(4)
uymin1=-umaxout(5)
uzmin1=-umaxout(6)
if (nrank == 0) then
write(*,*) 'U,V,W min=',real(uxmin1,4),real(uymin1,4),real(uzmin1,4)
write(*,*) 'U,V,W max=',real(uxmax1,4),real(uymax1,4),real(uzmax1,4)
!print *,'CFL=',real(abs(max(uxmax1,uymax1,uzmax1)*dt)/min(dx,dy,dz),4)
if((abs_prec(uxmax1)>=onehundred).or.(abs_prec(uymax1)>=onehundred).OR.(abs_prec(uzmax1)>=onehundred)) then
write(*,*) 'Velocity diverged! SIMULATION IS STOPPED!'
call MPI_ABORT(MPI_COMM_WORLD,code,ierror)
stop
endif
endif
return
end subroutine test_speed_min_max
!##################################################################
!##################################################################
subroutine simu_stats(iwhen)
use simulation_stats
use var
use MPI
implicit none
integer :: iwhen
if (iwhen == 1) then !AT THE START OF THE SIMULATION
tstart=zero
time1=zero
trank=zero
tranksum=zero
ttotal=zero
call cpu_time(tstart)
else if (iwhen == 2) then !AT THE START OF A TIME STEP
if (nrank == 0.and.(mod(itime, ilist) == 0 .or. itime == ifirst .or. itime==ilast)) then
call cpu_time(time1)
write(*,*) '==========================================================='
write(*,"(' Time step =',i7,'/',i7,', Time unit =',F12.4)") itime,ilast,t
endif
else if ((iwhen == 3).and.(itime > ifirst)) then !AT THE END OF A TIME STEP
if (nrank == 0.and.(mod(itime, ilist) == 0 .or. itime == ifirst .or. itime==ilast)) then
call cpu_time(trank)
if (nrank==0) write(*,*) 'Time for this time step (s):',real(trank-time1)
telapsed = (trank-tstart)/threethousandsixhundred
tremaining = telapsed*(ilast-itime)/(itime-ifirst)
write(*,"(' Remaining time:',I8,' h ',I2,' min')") int(tremaining), int((tremaining-int(tremaining))*sixty)
write(*,"(' Elapsed time: ',I8,' h ',I2,' min')") int(telapsed), int((telapsed-int(telapsed))*sixty)
endif
else if (iwhen == 4) then !AT THE END OF THE SIMULATION
call cpu_time(trank)
ttotal=trank-tstart
if (nrank == 0) then
write(*,*) '==========================================================='
write(*,*) ' '
write(*,*) 'Good job! Xcompact3d finished successfully! '
write(*,*) ' '
write(*,*) '2DECOMP with p_row*p_col=',p_row,p_col
write(*,*) ' '
write(*,*) 'nx*ny*nz=',nx*ny*nz
write(*,*) 'nx,ny,nz=',nx,ny,nz
write(*,*) 'dx,dy,dz=',dx,dy,dz
write(*,*) ' '
write(*,*) 'Averaged time per step (s):',real(ttotal/(ilast-(ifirst-1)),4)
write(*,*) 'Total wallclock (s):',real(ttotal,4)
write(*,*) 'Total wallclock (m):',real(ttotal/sixty,4)
write(*,*) 'Total wallclock (h):',real(ttotal/threethousandsixhundred,4)
write(*,*) ' '
endif
endif
end subroutine simu_stats
!##############################################################################
!!
!! SUBROUTINE: restart
!! DESCRIPTION: reads or writes restart file
!!
!! AUTHOR: ?
!! MODIFIED: Kay Schäfer
!!
!##############################################################################
subroutine restart(ux1,uy1,uz1,dux1,duy1,duz1,ep1,pp3,phi1,dphi1,px1,py1,pz1,rho1,drho1,mu1,iresflg)
use decomp_2d_io
use variables
use param
use MPI
use navier, only : gradp
use mhd, only : mhd_active,mhd_equation,Bm
implicit none
integer :: i,j,k,iresflg,nzmsize,ierror,is,it,code
integer :: ierror_o=0 !error to open sauve file during restart
real(mytype), dimension(xsize(1),xsize(2),xsize(3)) :: ux1,uy1,uz1,ep1
real(mytype), dimension(xsize(1),xsize(2),xsize(3)) :: px1,py1,pz1
real(mytype), dimension(xsize(1),xsize(2),xsize(3),ntime) :: dux1,duy1,duz1
real(mytype), dimension(xsize(1),xsize(2),xsize(3),numscalar) :: phi1
real(mytype), dimension(xsize(1),xsize(2),xsize(3),ntime,numscalar) :: dphi1
real(mytype), dimension(phG%zst(1):phG%zen(1),phG%zst(2):phG%zen(2),phG%zst(3):phG%zen(3)) :: pp3
real(mytype), dimension(xsize(1),xsize(2),xsize(3),nrhotime) :: rho1
real(mytype), dimension(xsize(1),xsize(2),xsize(3),ntime) :: drho1
real(mytype), dimension(xsize(1),xsize(2),xsize(3)) :: mu1
real(mytype) :: xdt,tfield,y
integer, dimension(2) :: dims, dummy_coords
logical, dimension(2) :: dummy_periods
logical :: fexists
character(len=30) :: filename, filestart
character(len=32) :: fmt2,fmt3,fmt4
character(len=7) :: fmt1
character(len=80) :: varname
NAMELIST /Time/ tfield, itime
NAMELIST /NumParam/ nx, ny, nz, istret, beta, dt, itimescheme
logical, save :: first_restart = .true.
write(filename,"('restart',I7.7)") itime
write(filestart,"('restart',I7.7)") ifirst-1
if (iresflg == 1) then !Writing restart
if (mod(itime, icheckpoint) /= 0) then
return
endif
if (nrank==0) then
write(*,*) '===========================================================<<<<<'
write(*,*) 'Writing restart point ',filename !itime/icheckpoint
endif
if (adios2_restart_initialised) then
! First, rename old checkpoint in case of error
if (validation_restart) call rename(resfile, resfile_old)
end if
end if
if (.not. adios2_restart_initialised) then
call init_restart_adios2()
adios2_restart_initialised = .true.
end if
if (iresflg==1) then !write
call decomp_2d_open_io(io_restart, resfile, decomp_2d_write_mode)
call decomp_2d_start_io(io_restart, resfile)
call decomp_2d_write_one(1,ux1,resfile,"ux",0,io_restart,reduce_prec=.false.)
call decomp_2d_write_one(1,uy1,resfile,"uy",0,io_restart,reduce_prec=.false.)
call decomp_2d_write_one(1,uz1,resfile,"uz",0,io_restart,reduce_prec=.false.)
! write previous time-step if necessary for AB2 or AB3
if ((itimescheme==2).or.(itimescheme==3)) then
call decomp_2d_write_one(1,dux1(:,:,:,2),resfile,"dux-2",0,io_restart,reduce_prec=.false.)
call decomp_2d_write_one(1,duy1(:,:,:,2),resfile,"duy-2",0,io_restart,reduce_prec=.false.)
call decomp_2d_write_one(1,duz1(:,:,:,2),resfile,"duz-2",0,io_restart,reduce_prec=.false.)
end if
! for AB3 one more previous time-step
if (itimescheme==3) then
call decomp_2d_write_one(1,dux1(:,:,:,3),resfile,"dux-3",0,io_restart,reduce_prec=.false.)
call decomp_2d_write_one(1,duy1(:,:,:,3),resfile,"duy-3",0,io_restart,reduce_prec=.false.)
call decomp_2d_write_one(1,duz1(:,:,:,3),resfile,"duz-3",0,io_restart,reduce_prec=.false.)
end if
!
call decomp_2d_write_one(3,pp3,resfile,"pp",0,io_restart,opt_decomp=phG,reduce_prec=.false.)
!
if (iscalar==1) then
do is=1, numscalar
write(varname, *) "phi-", is
call decomp_2d_write_one(1,phi1(:,:,:,is),resfile,varname,0,io_restart,reduce_prec=.false.)
! previous time-steps
if ((itimescheme==2).or.(itimescheme==3)) then ! AB2 or AB3
write(varname, *) "dphi-", is, "-2"
call decomp_2d_write_one(1,dphi1(:,:,:,2,is),resfile,varname,0,io_restart,reduce_prec=.false.)
end if
!
if (itimescheme==3) then ! AB3
write(varname, *) "dphi-", is, "-3"
call decomp_2d_write_one(1,dphi1(:,:,:,3,is),resfile,varname,0,io_restart,reduce_prec=.false.)
end if
end do
endif
if (ilmn) then
do is = 1, nrhotime
write(varname, *) "rho-", is
call decomp_2d_write_one(1,rho1(:,:,:,is),resfile,varname,0,io_restart,reduce_prec=.false.)
enddo
do is = 1, ntime
write(varname, *) "drho-", is
call decomp_2d_write_one(1,drho1(:,:,:,is),resfile,varname,0,io_restart,reduce_prec=.false.)
enddo
call decomp_2d_write_one(1,mu1(:,:,:),resfile,"mu",0,io_restart,reduce_prec=.false.)
endif
if (mhd_active .and. mhd_equation) then
call decomp_2d_write_one(1,Bm(:,:,:,1),resfile,'bx',0,io_restart,reduce_prec=.false.)
call decomp_2d_write_one(1,Bm(:,:,:,2),resfile,'by',0,io_restart,reduce_prec=.false.)
call decomp_2d_write_one(1,Bm(:,:,:,3),resfile,'bz',0,io_restart,reduce_prec=.false.)
endif
call decomp_2d_end_io(io_restart, resfile)
call decomp_2d_close_io(io_restart, resfile)
! Validate restart file then remove old file and update restart.info
if (validation_restart) then
if (validate_restart(resfile_old, resfile)) then
call delete_filedir(resfile_old)
else
call decomp_2d_abort(1, "Writing restart - validation failed!")
endif
endif
! Write info file for restart - Kay Schäfer
if (nrank == 0) then
write(filename,"('restart.info')")
write(fmt2,'("(A,I16)")')
write(fmt3,'("(A,F16.4)")')
write(fmt4,'("(A,F16.12)")')
!
open (111,file=filename,action='write',status='replace')
write(111,'(A)')'!========================='
write(111,'(A)')'&Time'
write(111,'(A)')'!========================='
write(111,fmt3) 'tfield= ',t
write(111,fmt2) 'itime= ',itime
write(111,'(A)')'/End'
write(111,'(A)')'!========================='
write(111,'(A)')'&NumParam'
write(111,'(A)')'!========================='
write(111,fmt2) 'nx= ',nx
write(111,fmt2) 'ny= ',ny
write(111,fmt2) 'nz= ',nz
write(111,fmt3) 'Lx= ',xlx
write(111,fmt3) 'Ly= ',yly
write(111,fmt3) 'Lz= ',zlz
write(111,fmt2) 'istret= ',istret
write(111,fmt4) 'beta= ',beta
write(111,fmt2) 'iscalar= ',iscalar
write(111,fmt2) 'numscalar=',numscalar
write(111,'(A,I14)') 'itimescheme=',itimescheme
write(111,fmt2) 'iimplicit=',iimplicit
write(111,'(A)')'/End'
write(111,'(A)')'!========================='
close(111)
end if
else
if (nrank==0) then
write(*,*)'==========================================================='
write(*,*)'RESTART from file:', filestart
write(*,*)'==========================================================='
end if
call decomp_2d_open_io(io_restart, resfile, decomp_2d_read_mode)
call decomp_2d_start_io(io_restart, resfile)
call decomp_2d_read_one(1,ux1,resfile,"ux",io_restart,reduce_prec=.false.)
call decomp_2d_read_one(1,uy1,resfile,"uy",io_restart,reduce_prec=.false.)
call decomp_2d_read_one(1,uz1,resfile,"uz",io_restart,reduce_prec=.false.)
! read previous time-step if necessary for AB2 or AB3
if ((itimescheme==2).or.(itimescheme==3)) then ! AB2 or AB3
call decomp_2d_read_one(1,dux1(:,:,:,2),resfile,"dux-2",io_restart,reduce_prec=.false.)
call decomp_2d_read_one(1,duy1(:,:,:,2),resfile,"duy-2",io_restart,reduce_prec=.false.)
call decomp_2d_read_one(1,duz1(:,:,:,2),resfile,"duz-2",io_restart,reduce_prec=.false.)
end if
! for AB3 one more previous time-step
if (itimescheme==3) then ! AB3
call decomp_2d_read_one(1,dux1(:,:,:,3),resfile,"dux-3",io_restart,reduce_prec=.false.)
call decomp_2d_read_one(1,duy1(:,:,:,3),resfile,"duy-3",io_restart,reduce_prec=.false.)
call decomp_2d_read_one(1,duz1(:,:,:,3),resfile,"duz-3",io_restart,reduce_prec=.false.)
end if
!
call decomp_2d_read_one(3,pp3,resfile,"pp",io_restart,opt_decomp=phG,reduce_prec=.false.)
!
if (iscalar==1) then
do is=1, numscalar
write(varname, *) "phi-", is
call decomp_2d_read_one(1,phi1(:,:,:,is),resfile,varname,io_restart,reduce_prec=.false.)
! previous time-steps
if ((itimescheme==2).or.(itimescheme==3)) then ! AB2 or AB3
write(varname, *) "dphi-", is, "-2"
call decomp_2d_read_one(1,dphi1(:,:,:,2,is),resfile,varname,io_restart,reduce_prec=.false.)
end if
!
if (itimescheme==3) then ! AB3
write(varname, *) "dphi-", is, "-3"
call decomp_2d_read_one(1,dphi1(:,:,:,3,is),resfile,varname,io_restart,reduce_prec=.false.)
end if
! ABL
if (itype==itype_abl) then
do j=1,xsize(2)
if (istret==0) y = (j + xstart(2)-1-1)*dy
if (istret.ne.0) y = yp(j+xstart(2)-1)
if (ibuoyancy==1) then
Tstat(j,1) = T_wall - (T_wall-T_top)*y/yly
else
Tstat(j,1) = zero
endif
enddo
endif
end do
endif
if (ilmn) then
do is = 1, nrhotime
write(varname, *) "rho-", is
call decomp_2d_read_one(1,rho1(:,:,:,is),resfile,varname,io_restart,reduce_prec=.false.)
enddo
do is = 1, ntime
write(varname, *) "drho-", is
call decomp_2d_read_one(1,drho1(:,:,:,is),resfile,varname,io_restart,reduce_prec=.false.)
enddo
call decomp_2d_read_one(1,mu1,resfile,"mu",io_restart,reduce_prec=.false.)
end if
if(mhd_active .and. mhd_equation) then
call decomp_2d_read_one(1,Bm(:,:,:,1),resfile,'bx',io_restart,reduce_prec=.false.)
call decomp_2d_read_one(1,Bm(:,:,:,2),resfile,'by',io_restart,reduce_prec=.false.)
call decomp_2d_read_one(1,Bm(:,:,:,3),resfile,'bz',io_restart,reduce_prec=.false.)
endif
call decomp_2d_end_io(io_restart, resfile)
call decomp_2d_close_io(io_restart, resfile)
!! Read time of restart file
write(filename,"(A)") 'restart.info'
inquire(file=filename, exist=fexists)
if (nrank==0) write(*,*) filename
! file exists???
if (fexists) then
open(111, file=filename)
read(111, nml=Time)
close(111)
t0 = tfield
itime0 = 0
else
t0 = zero
itime0 = 0
end if
endif
if (nrank==0) then
if (ierror_o /= 0) then !Included by Felipe Schuch
write(*,*) '==========================================================='
write(*,*) 'Error: Impossible to read '//trim(filestart)
write(*,*) '==========================================================='
call MPI_ABORT(MPI_COMM_WORLD,code,ierror)
endif
endif
! reconstruction of the dp/dx, dp/dy and dp/dz from pp3
if (iresflg==0) then
if (itimescheme <= 4) itr=1
if (itimescheme == 5) itr=3
if (itimescheme == 6) itr=5
call gradp(px1,py1,pz1,pp3)
if (nrank == 0) write(*,*) 'reconstruction pressure gradients done!'
end if
if (iresflg==1) then !Writing restart
if (nrank==0) then
write(fmt1,"(I7.7)") itime
write(*,*) 'Restart point restart',fmt1,' saved successfully!'!itime/icheckpoint,'saved successfully!'
! write(*,*) 'Elapsed time (s)',real(trestart,4)
! write(*,*) 'Aproximated writing speed (MB/s)',real(((s3df*16.)*1e-6)/trestart,4)
write(*,*) 'If necesseary restart from:',itime+1
endif
end if
end subroutine restart
subroutine init_restart_adios2()
use decomp_2d_io, only : decomp_2d_register_variable, decomp_2d_init_io
use variables, only : numscalar
use param, only : ilmn, nrhotime, ntime
use var, only : itimescheme, iibm
use mhd, only : mhd_active, mhd_equation
implicit none
integer :: ierror
integer :: is
character(len=80) :: varname
call decomp_2d_init_io(io_restart)
call decomp_2d_register_variable(io_restart, "ux", 1, 0, 0, mytype)
call decomp_2d_register_variable(io_restart, "uy", 1, 0, 0, mytype)
call decomp_2d_register_variable(io_restart, "uz", 1, 0, 0, mytype)
call decomp_2d_register_variable(io_restart, "pp", 3, 0, 0, mytype, phG) !! XXX: need some way to handle the different grid here...
do is = 1, numscalar
write(varname,*) "phi-", is
call decomp_2d_register_variable(io_restart, trim(varname), 1, 0, 0, mytype)
end do
if ((itimescheme.eq.2) .or. (itimescheme.eq.3)) then
call decomp_2d_register_variable(io_restart, "dux-2", 1, 0, 0, mytype)
call decomp_2d_register_variable(io_restart, "duy-2", 1, 0, 0, mytype)
call decomp_2d_register_variable(io_restart, "duz-2", 1, 0, 0, mytype)
do is = 1, numscalar
write(varname,*) "dphi-", is, "-2"
call decomp_2d_register_variable(io_restart, trim(varname), 1, 0, 0, mytype)
end do
if (itimescheme.eq.3) then
call decomp_2d_register_variable(io_restart, "dux-3", 1, 0, 0, mytype)
call decomp_2d_register_variable(io_restart, "duy-3", 1, 0, 0, mytype)
call decomp_2d_register_variable(io_restart, "duz-3", 1, 0, 0, mytype)
do is = 1, numscalar
write(varname,*) "dphi-", is, "-3"
call decomp_2d_register_variable(io_restart, trim(varname), 1, 0, 0, mytype)
end do
endif
endif
if (iibm .ne. 0) then
call decomp_2d_register_variable(io_restart, "ep", 1, 0, 0, mytype)
endif
if (ilmn) then
do is = 1, nrhotime
write(varname, *) "rho-", is
call decomp_2d_register_variable(io_restart, varname, 1, 0, 0, mytype)
end do
do is = 1, ntime
write(varname, *) "drho-", is
call decomp_2d_register_variable(io_restart, varname, 1, 0, 0, mytype)
end do
end if
if (mhd_active .and. mhd_equation) then
call decomp_2d_register_variable(io_restart, "bx", 1, 0, 0, mytype)
call decomp_2d_register_variable(io_restart, "by", 1, 0, 0, mytype)
call decomp_2d_register_variable(io_restart, "bz", 1, 0, 0, mytype)
end if
end subroutine init_restart_adios2
!############################################################################
!! SUBROUTINE: apply_spatial_filter
!############################################################################
subroutine apply_spatial_filter(ux1,uy1,uz1,phi1)
use param
use var, only: uxf1,uyf1,uzf1,uxf2,uyf2,uzf2,uxf3,uyf3,uzf3,di1,di2,di3,phif1,phif2,phif3
use variables
use ibm_param, only : ubcx,ubcy,ubcz
implicit none
real(mytype),dimension(xsize(1),xsize(2),xsize(3)), intent(inout) :: ux1,uy1,uz1
real(mytype),dimension(xsize(1),xsize(2),xsize(3), numscalar), intent(inout) :: phi1
real(mytype),dimension(xsize(1),xsize(2),xsize(3)) :: phi11
real(mytype),dimension(ysize(1),ysize(2),ysize(3)) :: ux2,uy2,uz2, phi2
real(mytype),dimension(zsize(1),zsize(2),zsize(3)) :: ux3,uy3,uz3, phi3
integer :: i,j,k,npaire
!if (iscalar == 1) phi11=phi1(:,:,:,1) !currently only first scalar
if (ifilter==1.or.ifilter==2) then
call filx(uxf1,ux1,di1,fisx,fiffx,fifsx,fifwx,xsize(1),xsize(2),xsize(3),0,ubcx)
call filx(uyf1,uy1,di1,fisx,fiffxp,fifsxp,fifwxp,xsize(1),xsize(2),xsize(3),1,ubcy)
call filx(uzf1,uz1,di1,fisx,fiffxp,fifsxp,fifwxp,xsize(1),xsize(2),xsize(3),1,ubcz)
else
uxf1=ux1
uyf1=uy1
uzf1=uz1
!if (iscalar == 1) phif1=phi11
end if
call transpose_x_to_y(uxf1,ux2)
call transpose_x_to_y(uyf1,uy2)
call transpose_x_to_y(uzf1,uz2)
!if (iscalar == 1) call transpose_x_to_y(phif1,phi2)
if (ifilter==1.or.ifilter==3) then ! all filter or y filter
call fily(uxf2,ux2,di2,fisy,fiffyp,fifsyp,fifwyp,ysize(1),ysize(2),ysize(3),1,ubcx)
call fily(uyf2,uy2,di2,fisy,fiffy,fifsy,fifwy,ysize(1),ysize(2),ysize(3),0,ubcy)
call fily(uzf2,uz2,di2,fisy,fiffyp,fifsyp,fifwyp,ysize(1),ysize(2),ysize(3),1,ubcz)
!if (iscalar.eq.1) call fily(phif2,phi2,di2,fisy,fiffy,fifsy,fifwy,ysize(1),ysize(2),ysize(3),0)
else
uxf2=ux2
uyf2=uy2
uzf2=uz2
!if (iscalar == 1) phif2=phi2
end if
call transpose_y_to_z(uxf2,ux3)
call transpose_y_to_z(uyf2,uy3)
call transpose_y_to_z(uzf2,uz3)
!if (iscalar == 1) call transpose_y_to_z(phif2,phi3)
if (ifilter==1.or.ifilter==2) then
call filz(uxf3,ux3,di3,fisz,fiffzp,fifszp,fifwzp,zsize(1),zsize(2),zsize(3),1,ubcx)
call filz(uyf3,uy3,di3,fisz,fiffzp,fifszp,fifwzp,zsize(1),zsize(2),zsize(3),1,ubcy)
call filz(uzf3,uz3,di3,fisz,fiffz,fifsz,fifwz,zsize(1),zsize(2),zsize(3),0,ubcz)
!if (iscalar.eq.1) call filz(phif3,phi3,di3,fisz,fiffz,fifsz,fifwz,zsize(1),zsize(2),zsize(3),0)
else
uxf3=ux3
uyf3=uy3
uzf3=uz3
!if (iscalar == 1) phif3=phi3
end if
call transpose_z_to_y(uxf3,ux2)
call transpose_z_to_y(uyf3,uy2)
call transpose_z_to_y(uzf3,uz2)
!if (iscalar == 1) call transpose_z_to_y(phif3,phi2)
call transpose_y_to_x(ux2,ux1)
call transpose_y_to_x(uy2,uy1)
call transpose_y_to_x(uz2,uz1)
!if (iscalar == 1) call transpose_y_to_x(phi2,phi11)
!if (iscalar == 1) phi1(:,:,:,1)=phi11
end subroutine apply_spatial_filter
!############################################################################
!! SUBROUTINE: init_inflow_outflow
!############################################################################
subroutine init_inflow_outflow()
use decomp_2d_io, only : decomp_2d_init_io, decomp_2d_register_variable
use param, only : ntimesteps
integer :: nplanes
call decomp_2d_init_io(io_ioflow)
nplanes = ntimesteps
call decomp_2d_register_variable(io_ioflow, "ux", 1, 0, 1, mytype, opt_nplanes=nplanes)
call decomp_2d_register_variable(io_ioflow, "uy", 1, 0, 1, mytype, opt_nplanes=nplanes)
call decomp_2d_register_variable(io_ioflow, "uz", 1, 0, 1, mytype, opt_nplanes=nplanes)
end subroutine init_inflow_outflow
!############################################################################
!! SUBROUTINE: read_inflow
!############################################################################
subroutine read_inflow(ux1,uy1,uz1,ifileinflow)
use decomp_2d_io
use var, only: ux_inflow, uy_inflow, uz_inflow
use param
use MPI
implicit none
integer :: ifileinflow
real(mytype), dimension(NTimeSteps,xsize(2),xsize(3)) :: ux1,uy1,uz1
character(20) :: fninflow
character(len=1024) :: inflow_file
! Recirculate inflows
if (ifileinflow>=ninflows) then
ifileinflow=mod(ifileinflow,ninflows)
endif
! Read inflow
write(fninflow,'(i20)') ifileinflow+1
write(inflow_file, "(A)") trim(inflowpath)//'inflow'//trim(adjustl(fninflow))
if (nrank==0) print *,'READING INFLOW FROM ',inflow_file
call decomp_2d_open_io(io_ioflow, inflow_file, decomp_2d_read_mode)
call decomp_2d_read_inflow(inflow_file,"ux",ntimesteps,ux_inflow,io_ioflow)
call decomp_2d_read_inflow(inflow_file,"uy",ntimesteps,uy_inflow,io_ioflow)
call decomp_2d_read_inflow(inflow_file,"uz",ntimesteps,uz_inflow,io_ioflow)
call decomp_2d_close_io(io_ioflow, inflow_file)
end subroutine read_inflow
!############################################################################
!! SUBROUTINE: append_outflow
!############################################################################
subroutine append_outflow(ux,uy,uz,timestep)
use decomp_2d_io
use var, only: ux_recoutflow, uy_recoutflow, uz_recoutflow, ilist
use param
implicit none
real(mytype), dimension(xsize(1),xsize(2),xsize(3)) :: ux,uy,uz
integer, intent(in) :: timestep
integer :: j,k
if (nrank==0.and.mod(itime,ilist)==0) print *, 'Appending outflow', timestep
do k=1,xsize(3)
do j=1,xsize(2)
ux_recoutflow(timestep,j,k)=ux(xend(1),j,k)
uy_recoutflow(timestep,j,k)=uy(xend(1),j,k)
uz_recoutflow(timestep,j,k)=uz(xend(1),j,k)
enddo
enddo
return
end subroutine append_outflow
!############################################################################
!! SUBROUTINE: write_outflow
!############################################################################
subroutine write_outflow(ifileoutflow)
use decomp_2d_io
use param
use var, only: ux_recoutflow, uy_recoutflow, uz_recoutflow
use MPI
implicit none
integer,intent(in) :: ifileoutflow
character(20) :: fnoutflow
character(80) :: outflow_file
logical, save :: clean = .true.
integer :: iomode
logical :: dir_exists
iomode = decomp_2d_write_mode
write(fnoutflow,'(i20)') ifileoutflow
write(outflow_file, "(A)") './out/inflow'//trim(adjustl(fnoutflow))
if (nrank==0) print *,'WRITING OUTFLOW TO ', outflow_file
call decomp_2d_open_io(io_ioflow, outflow_file, iomode)
call decomp_2d_start_io(io_ioflow, outflow_file)
call decomp_2d_write_outflow(outflow_file,"ux",ntimesteps,ux_recoutflow,io_ioflow)
call decomp_2d_write_outflow(outflow_file,"uy",ntimesteps,uy_recoutflow,io_ioflow)
call decomp_2d_write_outflow(outflow_file,"uz",ntimesteps,uz_recoutflow,io_ioflow)
call decomp_2d_end_io(io_ioflow, outflow_file)
call decomp_2d_close_io(io_ioflow, outflow_file)
end subroutine write_outflow
!############################################################################
!##################################################################
!! SUBROUTINE: compute_cfldiff
!! DESCRIPTION: Computes Diffusion/Fourier number
!! AUTHOR: Kay Schäfer
!##################################################################
subroutine compute_cfldiff()
use param, only : xnu,dt,dx,dy,dz,istret
use param, only : cfl_diff_sum, cfl_diff_x, cfl_diff_y, cfl_diff_z
use variables, only : dyp
use mhd, only: mhd_active, mhd_equation,rem
implicit none
cfl_diff_x = xnu * dt/ (dx**2)
cfl_diff_z = xnu * dt/ (dz**2)
if (istret == 0) then
cfl_diff_y = xnu * dt / (dy**2)
else
cfl_diff_y = xnu * dt / (minval(dyp)**2)
end if
cfl_diff_sum = cfl_diff_x + cfl_diff_y + cfl_diff_z
if (nrank==0) then
write(*,*) '==========================================================='
write(*,*) 'Diffusion number'
write(*,"(' cfl_diff_x : ',F13.8)") cfl_diff_x
write(*,"(' cfl_diff_y : ',F13.8)") cfl_diff_y
write(*,"(' cfl_diff_z : ',F13.8)") cfl_diff_z
write(*,"(' cfl_diff_sum : ',F13.8)") cfl_diff_sum
write(*,*) '==========================================================='
endif
if( mhd_active.and.mhd_equation) then
cfl_diff_x = dt/ (dx**2) / rem
cfl_diff_z = dt/ (dz**2) / rem
if (istret == 0) then
cfl_diff_y = dt / (dy**2) / rem
else
cfl_diff_y = dt / (minval(dyp)**2) / rem
end if
cfl_diff_sum = cfl_diff_x + cfl_diff_y + cfl_diff_z
if (nrank==0) then
write(*,*) '==========================================================='
write(*,*) 'Magnetic Diffusion number'
write(*,"(' B cfl_diff_x : ',F13.8)") cfl_diff_x
write(*,"(' B cfl_diff_y : ',F13.8)") cfl_diff_y
write(*,"(' B cfl_diff_z : ',F13.8)") cfl_diff_z
write(*,"(' B cfl_diff_sum : ',F13.8)") cfl_diff_sum
write(*,*) '==========================================================='
endif
endif
return
end subroutine compute_cfldiff
!##################################################################
!! SUBROUTINE: compute_cfl
!! DESCRIPTION: Computes CFl number for stretched mesh
!! AUTHOR: Kay Schäfer
!##################################################################
subroutine compute_cfl(ux,uy,uz)
use param, only : dx,dy,dz,dt,istret
use mpi
use variables, only : dyp
implicit none
integer :: code, i,j,k,jloc
real(mytype) :: value_x, value_y, value_z, value_sum
real(mytype) :: maxvalue_sum, maxvalue_sum_out, maxvalue_x, maxvalue_y, maxvalue_z
real(mytype),dimension(xsize(1),xsize(2),xsize(3)) :: ux,uy,uz
real(mytype),dimension(4) :: cflmax_in, cflmax_out
!
maxvalue_x =-1609._mytype
maxvalue_y =-1609._mytype
maxvalue_z =-1609._mytype
maxvalue_sum=-1609._mytype
!
if (istret == 0) then
do j = xstart(2), xend(2)
jloc = j-xstart(2)+1
value_x = maxval(abs(ux(:,jloc,:)) / dx)
value_y = maxval(abs(uy(:,jloc,:)) / dy)
value_z = maxval(abs(uz(:,jloc,:)) / dz)
value_sum = maxval(abs(ux(:,jloc,:)) / dx + abs(uy(:,jloc,:)) / dy + abs(uz(:,jloc,:)) / dz)
!
maxvalue_x = maxval((/maxvalue_x, value_x /))
maxvalue_y = maxval((/maxvalue_y, value_y /))
maxvalue_z = maxval((/maxvalue_z, value_z /))
maxvalue_sum = maxval((/maxvalue_sum, value_sum /))
end do
else
do j = xstart(2), xend(2)
jloc = j-xstart(2)+1
value_x = maxval(abs(ux(:,jloc,:)) / dx)
value_y = maxval(abs(uy(:,jloc,:)) / dyp(j))
value_z = maxval(abs(uz(:,jloc,:)) / dz)
value_sum = maxval(abs(ux(:,jloc,:)) / dx + abs(uy(:,jloc,:)) / dyp(j) + abs(uz(:,jloc,:)) /dz)
!
maxvalue_x = maxval((/maxvalue_x, value_x /))
maxvalue_y = maxval((/maxvalue_y, value_y /))
maxvalue_z = maxval((/maxvalue_z, value_z /))
maxvalue_sum = maxval((/maxvalue_sum, value_sum /))
end do
end if
cflmax_in = (/maxvalue_x, maxvalue_y, maxvalue_z, maxvalue_sum/)
call MPI_REDUCE(cflmax_in,cflmax_out,4,real_type,MPI_MAX,0,MPI_COMM_WORLD,code)
if (nrank == 0) then
write(*,"(' CFL_x : ',F17.8)") cflmax_out(1) * dt
write(*,"(' CFL_y : ',F17.8)") cflmax_out(2) * dt
write(*,"(' CFL_z : ',F17.8)") cflmax_out(3) * dt
!write(*,"(' CFL_sum : ',F17.8)") cflmax_out(4)*dt
end if
end subroutine compute_cfl
!##################################################################
!##################################################################
! Rescale pressure to physical pressure
! Written by Kay Schäfer 2019
!##################################################################
elemental subroutine rescale_pressure(pre1)
use param, only : itimescheme, gdt
implicit none
real(mytype), intent(inout) :: pre1
! Adjust pressure to physical pressure
! Multiply pressure by factor of time-scheme
! 1/gdt = 1 / (dt * c_k)
!
! Explicit Euler, AB2, AB3, AB4, RK3
if (itimescheme>=1 .and. itimescheme<=5) then
pre1 = pre1 / gdt(3)
! RK4
elseif (itimescheme==6) then
pre1 = pre1 / gdt(5)
endif
end subroutine
!##################################################################
!##################################################################
subroutine mean_plane_x (f1,nx,ny,nz,fm1)
use param, only : mytype, zero
implicit none
integer,intent(in) :: nx, ny, nz
real(mytype),intent(in),dimension(nx,ny,nz) :: f1
real(mytype),intent(out),dimension(ny,nz) :: fm1
integer :: i,j,k
fm1 = sum(f1, DIM=1) / real(nx, mytype)
return
end subroutine mean_plane_x
!##################################################################
!##################################################################
subroutine mean_plane_y (f2,nx,ny,nz,fm2)
use param, only : mytype, zero
implicit none
integer,intent(in) :: nx, ny, nz
real(mytype),intent(in),dimension(nx,ny,nz) :: f2
real(mytype),intent(out),dimension(nx,nz) :: fm2
integer :: i,j,k
fm2 = sum(f2, DIM=2) / real(ny, mytype)
return
end subroutine mean_plane_y
!##################################################################
!##################################################################
subroutine mean_plane_z (f3,nx,ny,nz,fm3)
use param, only : mytype, zero
implicit none
integer,intent(in) :: nx, ny, nz
real(mytype),intent(in),dimension(nx,ny,nz) :: f3
real(mytype),intent(out),dimension(nx,ny) :: fm3
integer :: i,j,k
fm3 = sum(f3, DIM=3) / real(nz,mytype)
return
end subroutine mean_plane_z
! Subroutine to rename a file/directory
!
! [string, in] oldname - name of existing file
! [string, in] newname - existing file to be renamed as
! [integer, in, optional] opt_rank - which rank should perform the operation? all others will wait.
subroutine rename(oldname, newname, opt_rank)
use MPI
use decomp_2d_io, only : gen_iodir_name
character(len=*), intent(in) :: oldname
character(len=*), intent(in) :: newname
integer, intent(in), optional :: opt_rank
integer :: exe_rank
logical :: exist
character(len=:), allocatable :: cmd
integer :: ierror
character(len=:), allocatable :: oldname_ext
if (present(opt_rank)) then
exe_rank = opt_rank
else
exe_rank = 0
end if
if (nrank == exe_rank) then
oldname_ext = gen_iodir_name(oldname, io_restart)
inquire(file=oldname_ext, exist=exist)
if (exist) then
cmd = "mv "//oldname_ext//" "//newname
call execute_command_line(cmd)
end if
end if
call MPI_Barrier(MPI_COMM_WORLD, ierror)
if (ierror /= 0) then
call decomp_2d_abort(ierror, &