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wall.usr
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C-----------------------------------------------------------------------
c in usrchk()
c
c character*3 bctyp
c
c real Tx(lx1,ly1,lz1,lelv) ! shear stress X-comp
c real Ty(lx1,ly1,lz1,lelv) ! Y
c real Tz(lx1,ly1,lz1,lelv) ! Z
c real Tm(lx1,ly1,lz1,lelv) ! shear stress mag
c real uf(lx1,ly1,lz1,lelv) ! friction velocity
c real yp(lx1,ly1,lz1,lelv) ! y-plus
c
c bctyp = 'W '
c call comp_wallShear(Tx,Ty,Tz,Tm,uf,yp,vx,vy,vz,bctyp)
c
C-----------------------------------------------------------------------
subroutine comp_wallShear(Tx,Ty,Tz,Tm,uf,yp,ux,uy,uz,bctyp)
implicit none
include 'SIZE'
include 'TOTAL'
integer lxyz,nxzf,lxyzv
parameter(lxyz = lx1*ly1*lz1)
parameter(nxzf = 2*ldim)
parameter(lxyzv = lelv*lxyz)
real Tx(lx1,ly1,lz1,lelv) ! Shear Stress
$ ,Ty(lx1,ly1,lz1,lelv)
$ ,Tz(lx1,ly1,lz1,lelv)
$ ,Tm(lx1,ly1,lz1,lelv)
$ ,uf(lx1,ly1,lz1,lelv) ! friction velocity
$ ,yp(lx1,ly1,lz1,lelv) ! y-plus
$ ,ux(lx1,ly1,lz1,lelv) ! Velocity Field
$ ,uy(lx1,ly1,lz1,lelv)
$ ,uz(lx1,ly1,lz1,lelv)
character*3 bctyp
real ur,us,ut,vr,vs,vt,wr,ws,wt
common /ctmp1/ ur(lxyz),us(lxyz),ut(lxyz) ! used to compute sij
$ , vr(lxyz),vs(lxyz),vt(lxyz)
$ , wr(lxyz),ws(lxyz),wt(lxyz)
real sij(lx1,ly1,lz1,nxzf,lelv) ! strain rate tensor
real s11,s12,s13
$ ,s21,s22,s23
$ ,s31,s32,s33
real vsc,dsty ! vsc == dynamic viscosity
real n1,n2,n3 ! normals
real Tmg,a,xdrg,ydrg,zdrg,mdrg,Tmavg,ufavg
integer e,f,k,ntot,ifld
integer idimt,iface,j1,js1,jf1,jskip1,j2,js2,jf2,jskip2
logical iifxyo,iifvo,iifpo,iifto ! for outposting
if(nid.eq.0) write(6,*) 'in comp_wallShear(...)'
c
ntot = lx1*ly1*lz1*nelv
c
call rzero(Tx,ntot)
call rzero(Ty,ntot)
call rzero(Tz,ntot)
call rzero(Tm,ntot)
call rzero(uf,ntot)
call rzero(yp,ntot)
c
call rzero(sij,ntot*nxzf)
a = 0. ! area of face
xdrg = 0. ! drag on face X-comp
ydrg = 0. ! Y
zdrg = 0. ! Z
mdrg = 0. ! Mag
c
idimt = 1
ifld = 1
! strain rate tensor
call comp_sij(sij,nxzf,ux,uy,uz,ur,us,ut,vr,vs,vt,wr,ws,wt)
! initialize viscocity
if (istep.eq.0) call cfill(vdiff ,param(2),ntot)
if (istep.eq.0) call cfill(vtrans,param(1),ntot)
! get face info (initialize skpdat array)
call dsset(nx1,ny1,nz1)
do e=1,nelv
do f=1,nxzf
if (cbc(f,e,ifld).eq.bctyp) then
iface = eface1(f) ! surface to volume shifts
js1 = skpdat(1,iface)
jf1 = skpdat(2,iface)
jskip1 = skpdat(3,iface)
js2 = skpdat(4,iface)
jf2 = skpdat(5,iface)
jskip2 = skpdat(6,iface)
k = 0
do j2=js2,jf2,jskip2
do j1=js1,jf1,jskip1
k = k + 1
c
n1 = unx(k,1,f,e) ! face normal X-comp
n2 = uny(k,1,f,e) ! Y
n3 = unz(k,1,f,e) ! Z
c
vsc = vdiff (j1,j2,1,e,idimt)
dsty = vtrans(j1,j2,1,e,idimt)
c
s11 = sij(j1,j2,1,1,e) ! Strain rate tensor
s21 = sij(j1,j2,1,4,e)
s31 = sij(j1,j2,1,6,e)
c
s12 = sij(j1,j2,1,4,e)
s22 = sij(j1,j2,1,2,e)
s32 = sij(j1,j2,1,5,e)
c
s13 = sij(j1,j2,1,6,e)
s23 = sij(j1,j2,1,5,e)
s33 = sij(j1,j2,1,3,e)
c
Tx(j1,j2,1,e) = -(s11*n1 + s12*n2 + s13*n3)*vsc
Ty(j1,j2,1,e) = -(s21*n1 + s22*n2 + s23*n3)*vsc
Tz(j1,j2,1,e) = -(s31*n1 + s32*n2 + s33*n3)*vsc
c
Tmg = Tx(j1,j2,1,e)*Tx(j1,j2,1,e)
Tmg = Tmg + Ty(j1,j2,1,e)*Ty(j1,j2,1,e)
Tmg = Tmg + Tz(j1,j2,1,e)*Tz(j1,j2,1,e)
Tmg = sqrt(Tmg)
c
Tm(j1,j2,1,e) = Tmg ! shear stress mag
uf(j1,j2,1,e) = sqrt(Tmg/dsty) ! friction velocity
yp(j1,j2,1,e) = vsc/uf(j1,j2,1,e) ! y-plus
c
a = a + area(k,1,f,e) ! area
xdrg = xdrg + Tx(j1,j2,1,e)*area(k,1,f,e) ! viscous drag
ydrg = ydrg + Ty(j1,j2,1,e)*area(k,1,f,e)
zdrg = zdrg + Tz(j1,j2,1,e)*area(k,1,f,e)
c
c xdrg = xdrg - n1*pr(j1,j2,1,e)*area(k,1,f,e) ! pressure contribution
c ydrg = ydrg - n2*pr(j1,j2,1,e)*area(k,1,f,e) ! to drag
c zdrg = zdrg - n3*pr(j1,j2,1,e)*area(k,1,f,e)
enddo
enddo
endif
enddo
enddo
c
call gop(a ,Tmg,'+ ',1) ! summing over all processes
call gop(xdrg,Tmg,'+ ',1)
call gop(ydrg,Tmg,'+ ',1)
call gop(zdrg,Tmg,'+ ',1)
c
vsc = vdiff (j1,j2,1,e,idimt) ! repeating assignments in case
dsty = vtrans(j1,j2,1,e,idimt) ! missed by any proc in above loop
c
mdrg = xdrg*xdrg + ydrg*ydrg + zdrg*zdrg
mdrg = sqrt(mdrg)
Tmavg= mdrg / (a*dsty)
ufavg= sqrt(Tmavg/dsty)
if(nid.eq.0) then
write(6,258)'area:' ,a
c write(6,258)'xdrag:',xdrg
c write(6,258)'ydrag:',ydrg
c write(6,258)'zdrag:',zdrg
write(6,258)'Mdrag:',mdrg
write(6,258)'Tmavg:',Tmavg
write(6,258)'Ufavg:',ufavg
endif
258 format(a6,1es15.8)
! Outpost
iifxyo = ifxyo
iifvo = ifvo
iifpo = ifpo
iifto = ifto
ifxyo = .true.
ifvo = .true.
ifpo = .false.
ifto = .true.
call outpost(Tm,uf,yp,pr,Tx,'wsh')
ifxyo = iifxyo
ifvo = iifvo
ifpo = iifpo
ifto = iifto
return
end
c------------------------------------------------------------------------
c Face Normal
c------------------------------------------------------------------------
c in usrchk()
c
c integer ifld
c character*3 bctyp
c
c real Nx(lx1,ly1,lz1,lelv) ! face normal X-comp
c real Ny(lx1,ly1,lz1,lelv) ! Y
c real Nz(lx1,ly1,lz1,lelv) ! Z
c
c ifld = 1
c bctyp = 'W '
c call get_faceNormal(Nx,Ny,Nz,bctyp,ifld)
c
C-----------------------------------------------------------------------
subroutine get_faceNormal(Nx,Ny,Nz,bctyp,ifld)
implicit none
include 'SIZE'
include 'TOTAL'
real Nx(lx1,ly1,lz1,lelv) ! face normals
$ ,Ny(lx1,ly1,lz1,lelv)
$ ,Nz(lx1,ly1,lz1,lelv)
integer ifld
character*3 bctyp
integer e,f,k,ntot
integer iface,j1,js1,jf1,jskip1,j2,js2,jf2,jskip2
ntot = lx1*ly1*lz1*nelv
c
call rzero(Nx,ntot)
call rzero(Ny,ntot)
call rzero(Nz,ntot)
c
! get face info (initialize skpdat array)
call dsset(nx1,ny1,nz1)
do e=1,nelv
do f=1,2*ldim
if (cbc(f,e,ifld).eq.bctyp) then
iface = eface1(f) ! surface to volume shifts
js1 = skpdat(1,iface)
jf1 = skpdat(2,iface)
jskip1 = skpdat(3,iface)
js2 = skpdat(4,iface)
jf2 = skpdat(5,iface)
jskip2 = skpdat(6,iface)
k = 0
do j2=js2,jf2,jskip2
do j1=js1,jf1,jskip1
k = k + 1
Nx(j1,j2,1,e) = unx(k,1,f,e) ! face normal X-comp
Ny(j1,j2,1,e) = uny(k,1,f,e) ! Y
Nz(j1,j2,1,e) = unz(k,1,f,e) ! Z
enddo
enddo
endif
enddo
enddo
return
end
c------------------------------------------------------------------------
subroutine write2file(sclr1,sclr2,sclr3,sclr4,name1,name2,name3
$ ,name4,filename,step0,dstep,numsteps)
include 'SIZE'
include 'TOTAL'
real sclr1,sclr2,sclr3,sclr4
integer step0,dstep,numsteps
character(3) name1,name2,name3,name4,filename
c
integer step1
logical ifnwrite
integer i,j
save i
data i /0/
real val(6,lhis)
save val
character(7) filenametot
logical there
if(istep.lt.step0) goto 998
step1 = step0 + dstep * (numsteps - 1)
if(istep.gt.step1) goto 998
ifnwrite = mod(istep-step0,dstep).ne.0
if(ifnwrite) goto 998
if(numsteps.gt.lhis) then
if(nid.eq.0) write(6,*) 'ABORT: in write2file, numsteps > lhis'
call exit
endif
if(i.eq.0) then
call rzero(val,6*numsteps)
endif
filename = trim(filename)
call blank(filenametot,7)
filenametot = filename//".dat"
if(nid.eq.0) write(6,*) 'writing scalar to file ',filenametot
if(i.eq.numsteps) i = 0
i = i + 1
val(1,i) = istep
val(2,i) = time
val(3,i) = sclr1
val(4,i) = sclr2
val(5,i) = sclr3
val(6,i) = sclr4
call nekgsync()
if((nid.eq.0).and.(istep.eq.step1)) then
inquire(file=filenametot,exist=there)
if(there) then
write(6,*) 'Rewriting file: ',filenametot
open(unit=987,FILE=filenametot,status='old')
close (987,status='delete')
else
write(6,*) 'Writing file: ',filenametot
endif
open(unit=987,FILE=trim(filenametot),status='new')
write(987,'(1p,6A15)')'Step','Time',name1,name2,name3,name4
do j=1,numsteps
write(987,'(1p,6E15.7)') val(1,j),val(2,j),val(3,j),val(4,j)
$ ,val(5,j),val(6,j)
enddo
close(unit=987)
endif
call nekgsync()
998 continue
return
end
c-----------------------------------------------------------------------
subroutine avg_3d(ua,u)
include 'SIZE'
include 'TOTAL'
real vol
integer nt
nt = lx1*ly1*lz1*nelv
vol = glsum(bm1,nt)
ua = glsc2(bm1,u,nt)/vol
return
end
c-----------------------------------------------------------------------
subroutine comp_L2(uL2,u)
include 'SIZE'
include 'TOTAL'
real uL2, u(1)
real u2(lx1*ly1*lz1*lelv)
integer nt
nt = lx1*ly1*lz1*nelv;
do i=1,nt
u2(i) = u(i) * u(i)
enddo
call avg_3d(uL2,u2)
uL2 = sqrt(uL2)
return
end
c-----------------------------------------------------------------------
subroutine comp_div(dd,ux,uy,uz)
include 'SIZE'
include 'TOTAL'
real dd
real ux(lx1,ly1,lz1,lelv)
$ ,uy(lx1,ly1,lz1,lelv)
$ ,uz(lx1,ly1,lz1,lelv)
c
real div (lx1,ly1,lz1,lelv)
$ ,dudx(lx1,ly1,lz1,lelv)
$ ,dudy(lx1,ly1,lz1,lelv)
$ ,dudz(lx1,ly1,lz1,lelv)
$ ,dvdx(lx1,ly1,lz1,lelv)
$ ,dvdy(lx1,ly1,lz1,lelv)
$ ,dvdz(lx1,ly1,lz1,lelv)
$ ,dwdx(lx1,ly1,lz1,lelv)
$ ,dwdy(lx1,ly1,lz1,lelv)
$ ,dwdz(lx1,ly1,lz1,lelv)
integer ntot
ntot=lx1*ly1*lz1*nelv
call rzero(div,ntot)
call gradm1(dudx,dudy,dudz,ux)
call gradm1(dvdx,dvdy,dvdz,uy)
call gradm1(dwdx,dwdy,dwdz,uz)
do i=1,ntot
div(i,1,1,1) = dudx(i,1,1,1) + dvdy(i,1,1,1) + dwdz(i,1,1,1)
div(i,1,1,1) = div(i,1,1,1)*div(i,1,1,1)
enddo
call avg_3d(dd,div)
dd = sqrt(dd)
return
end
c-----------------------------------------------------------------------