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lib_partrack.f95
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! -----------------------------------------------------------------------------------------
SUBROUTINE GetFFFap(m,p,fluid,fap,iT,ierr)
!
! Interpolate flow field data to particle position
!
! -----------------------------------------------------------------------------------------
USE mesh
USE superE
USE mFluid
USE cpuTime
USE counters
IMPLICIT NONE
TYPE(SuperElType) :: p ! particle
TYPE(meshType) :: m ! mesh data structure
TYPE(fluidType) :: fluid ! fluid flow fields
TYPE(fluidAtPartType) :: fap ! fluid flow fields at particle position
INTEGER i,ie,ifound,ierr,iT
REAL(8) cc,c ! cpu time (this routine, total for this routine)
REAL(8) pr(3),xez(3)
REAL(8) debugout(100,3)
debugout = 0.0D0
ierr = 0
!
! Init time measurement
!
CALL cpStart(c)
!
! Find particle mesh element (only actual timeloop, when iT > 0)
!
IF (iT.GT.1) THEN
CALL cpStart(cc)
!CALL FindParticleInUnstructuredMesh2(m,p,iT,ierr)
CALL FindParticleInUnstructuredMesh4(m,p,iT,ierr,debugout)
CALL cpStop(cc)
cput%meas(4)=cput%meas(4) + cc
IF (ierr.EQ.1) THEN
PRINT *, "!--------------------------------------------!"
PRINT *, "GetFFFap:: After Find Particle ierr=",ierr
WRITE(*,'(A10,I6)') "iT=",iT
WRITE(*,'(A10,I6)') "Part id=",p%id
WRITE(*,'(A10,3F10.4)') "Part r=",p%r
WRITE(*,'(A10,I6)') "Element=",p%element
PRINT *, "!--------------------------------------------!"
!CALL BreakPoint()
END IF
IF (ierr.NE.0) GOTO 10
END IF
!
! Interpolate within element
!
CALL cpStart(cc)
pr = p%r
ie = p%element
CALL FindWithinElementTetDec(m,pr,ie,ifound,ierr)
!Update if changed within FindWithinElementTetDec
p%element = ie
IF (ierr.EQ.0) THEN !found
p%nnf = 0
ELSE
IF (iT.GT.1 .AND. ierr.EQ.1) THEN
PRINT *, "!--------------------------------------------!"
PRINT *, "GetFFFap:: After In Element Find ierr=",ierr
WRITE(*,'(A10,I6)') "iT=",iT
WRITE(*,'(A10,I6)') "Part id=",p%id
WRITE(*,'(A10,3F10.4)') "Part r=",p%r
WRITE(*,'(A10,I6)') "Element=",ie
PRINT *, "!--------------------------------------------!"
!CALL WriteVTKTriangulatedElement('trielem',iT,m,ie)
CALL WriteVTKPoint('diag/pntCC',iT,m%e(ie)%xc)
CALL WriteVTKPoint('diag/pntA',iT,debugout(1,:))
CALL WriteVTKPoint('diag/pntB',iT,debugout(2,:))
DO i = 10,100
IF (INT(debugout(i,1)).GT.0) THEN
ie = INT(debugout(i,1))
CALL WriteVTKTriangulatedElement('diag/trielem',ie,m,ie)
END IF
END DO
p%nnf = p%nnf + 1
!CALL BreakPoint()
END IF
GOTO 10
END IF
CALL InterpolateFFInElementNew(m,p,pr,ie,ifound,fluid,fap)
CALL cpStop(cc)
cput%meas(6)=cput%meas(6) + cc
!CALL WriteParticleCellHistory(p,iT)
!
! Calculate elements of strain and rotation tensor in particle frame of reference
!
CALL CalVGTpfr(fap,p)
!
! Stop time measurement
!
10 CONTINUE
CALL cpStop(c)
cput%meas(3)=cput%meas(3) + c
END
!! -----------------------------------------------------------------------------------------
! SUBROUTINE WriteParticleCellHistory(p,iT)
!!
!!
!! -----------------------------------------------------------------------------------------
!
! USE superE
! IMPLICIT NONE
!
! TYPE(SuperElType) :: p ! particle
!
! INTEGER :: iT
! INTEGER :: i,ilast
!
!
! IF (iT.LE.1) THEN
! p%cellHist = -1
!
! p%cellHist(1,1) = p%element
! p%cellHist(1,2) = iT
!
! RETURN
! END IF
!
! i=1
! DO,WHILE ( p%cellHist(i,1).NE.-1 )
! i = i + 1
! END DO
! ilast = i
!
! IF (p%element.NE.p%cellHist(ilast-1,1)) THEN
!
! p%cellHist(ilast,1) = p%element
! p%cellHist(ilast,2) = iT
!
! END IF
!
!
! END
! -----------------------------------------------------------------------------------------
SUBROUTINE interpolationTesting(m,p,fluid,fap,iT,ierr)
!
! Interpolate flow field data to particle position
!
! -----------------------------------------------------------------------------------------
USE mesh
USE superE
USE mFluid
USE cpuTime
USE counters
IMPLICIT NONE
TYPE(SuperElType) :: p ! particle
TYPE(meshType) :: m ! mesh data structure
TYPE(fluidType) :: fluid ! fluid flow fields
TYPE(fluidAtPartType) :: fap ! fluid flow fields at particle position
INTEGER ierr,iT
CHARACTER(255) fname
INTEGER i,j,k,l,n,ndiv,iom
REAL(8) xmin,xmax,ymin,ymax,zmin,zmax
REAL(8), ALLOCATABLE :: vv(:,:), outMatrix(:,:)
REAL(8) minabsolute,varAna(3),varInt(3)
REAL(8) v(3),uint(3),uana(3),err1,err2,err3 !,xval,yval,zval,uval
REAL(8) gradUzAna(3), gradUzInt(3)
REAL(8) fac,pi
REAL(8) cput1,cput2
REAL(8) xez(3)
p%element = 21
p%r(1) = 0.0065D0
p%r(2) = 0.01D0
!p%r(3) = 0.089D0
p%r(3) = 0.093D0
!CALL GetFFFap(m,p,fluid,fap,iT,ierr)
IF (m%e(p%element)%type.NE.42) THEN
CALL GetXiEtaZeta(m,m%e(p%element),p%r,xez,ierr)
IF (ierr.NE.0) THEN
PRINT *,"Lost particle at XiEtaZeta"
END IF
WRITE(*,'(A4,3G12.4)') "XEZ=",xez
ELSE
xez=p%r
END IF
!
! Interpolate within element
!
!CALL InterpolateFFInElementNew(m,m%e(p%element),p%element,xez,fluid,fap,ierr)
uint(1) = fap%vx
uint(2) = fap%vy
uint(3) = fap%vz
WRITE(*,'(A5,3F16.6)') "uint=",uint
PRINT *, "Stopping in int test"
CALL stopProgram(1)
END
! -----------------------------------------------------------------------------------------
SUBROUTINE CalVGTpfr(fap,p)
!
! Calculate elements of deformation rate tensor (f,g)
! and the spin tensor (xi, eta, chi) in particle frame of reference
! gradVx,gradVy,gradVz - velocity gradient in inertial frame of reference
! vgt - velocity gradient tensor in particle frame of reference
!
! -----------------------------------------------------------------------------------------
USE SuperE
USE mFluid
IMPLICIT NONE
TYPE(SuperElType) p
TYPE(fluidAtPartType) :: fap ! fluid flow fields at particle position
REAL(8), ALLOCATABLE :: tmp(:,:),vgt(:,:),gradV(:,:)
ALLOCATE (tmp(3,3),vgt(3,3))
ALLOCATE (gradV(3,3))
!
! Calculate rotation matrix and its transpose
!
CALL seCalRotationMatrix(p)
! Calculate velocity gradient tensor in particle frame of reference
gradV(1,1)=fap%gradVx(1)
gradV(1,2)=fap%gradVx(2)
gradV(1,3)=fap%gradVx(3)
gradV(2,1)=fap%gradVy(1)
gradV(2,2)=fap%gradVy(2)
gradV(2,3)=fap%gradVy(3)
gradV(3,1)=fap%gradVz(1)
gradV(3,2)=fap%gradVz(2)
gradV(3,3)=fap%gradVz(3)
! transform from inertial to particle frame of reference
tmp=MATMUL(gradV,p%RMT)
vgt=MATMUL(p%RM,tmp)
! Get strain and rotation tensor elements from velocity gradient tensor in particle frame of reference
CALL CalTensorElements(vgt,p%f,p%g,p%ksi,p%eta,p%hi)
DEALLOCATE(gradV,tmp,vgt)
END
! -----------------------------------------------------------------------------------------
SUBROUTINE CalTensorElements(vgt,f,g,ksi,eta,hi)
!
! Form elements of deformation rate tensor (f,g)
! and elements of the spin tensor (xi, eta, chi)
! vgt - velocity gradient tensor in particle frame of reference
!
! -----------------------------------------------------------------------------------------
REAL(8) vgt(3,3),f,g,ksi,eta,hi
f =0.5D0*( vgt(3,2) + vgt(2,3) )
g =0.5D0*( vgt(1,3) + vgt(3,1) )
ksi=0.5D0*( vgt(3,2) - vgt(2,3) )
eta=0.5D0*( vgt(1,3) - vgt(3,1) )
hi =0.5D0*( vgt(1,2) - vgt(2,1) )
END
! -----------------------------------------------------------------------------------------
SUBROUTINE FindWithinElementTetDec(m,r,ie,ifound,ierr)
!
! Search for particle within element, by decomposing in to tetrahedrons
!
! -----------------------------------------------------------------------------------------
USE mesh
USE superE
USE mFluid
USE logFile
USE counters
IMPLICIT NONE
TYPE(meshType) :: m ! mesh data structure
INTEGER ie, ifound, ierr
INTEGER i,j
INTEGER iface,newie,newie2
REAL(8) r(3)
ierr = 1
!-----------------------------------------------------------
! Find local tet, which occupies the particle
!-----------------------------------------------------------
ifound = findInTet(r,ie)
IF (ifound.GT.0) GOTO 10
!-----------------------------------------------------------
! If not found, check neighbour elements
!-----------------------------------------------------------
DO i = 1,size(m%e(ie)%faceCon)
iface = m%e(ie)%faceCon(i)
IF (iface.GT.0) THEN
newie = m%f(abs(iface))%neighbour
ELSE
newie = m%f(abs(iface))%owner
END IF
ifound = findInTet(r,newie)
IF (ifound.GT.0) THEN
ie = newie
GOTO 10
END IF
END DO
!-----------------------------------------------------------
! If not found, check second level neighbours
!-----------------------------------------------------------
DO i = 1,size(m%e(ie)%faceCon)
iface = m%e(ie)%faceCon(i)
IF (iface.GT.0) THEN
newie = m%f(abs(iface))%neighbour
ELSE
newie = m%f(abs(iface))%owner
END IF
DO j = 1,size(m%e(newie)%faceCon)
iface = m%e(ie)%faceCon(i)
IF (iface.GT.0) THEN
newie2 = m%f(abs(iface))%neighbour
ELSE
newie2 = m%f(abs(iface))%owner
END IF
ifound = findInTet(r,newie2)
IF (ifound.GT.0) THEN
ie = newie2
GOTO 10
END IF
END DO
END DO
!WRITE(*,'(A30,I6)') "For element :: ie", ie
!WRITE(*,'(A4,3F12.6)') "r=", r
!WRITE(*,'(A4,3F12.6)') "ec=", e%xc
!PRINT *, "Local tet find results:"
!WRITE(*,'(A8,I6)') "ifound=", ifound
!WRITE(*,'(A8,I6)') "nfound=", k
RETURN
10 CONTINUE
ierr = 0
!check if not boundary
IF (ie.LT.1) THEN
ierr = 2
PRINT *, "Boundary in interpolate, thats strange"
CALL BreakPoint()
END IF
! --------------------------------
CONTAINS ! FUNCTIONS
! --------------------------------
INTEGER FUNCTION findInTet(r,ie)
IMPLICIT NONE
INTEGER, INTENT(IN) :: ie
REAL(8), INTENT(IN) :: r(3)
INTEGER i,ntet,ierr
REAL(8) res,fCenters(4,3),fNormals(4,3)
findInTet = 0
IF (ie.GT.0) THEN
ntet = size (m%e(ie)%tet)
DO i = 1,ntet
fCenters = m%e(ie)%tet(i)%centers
fNormals = m%e(ie)%tet(i)%normals
!PRINT *, "Searching loop:", i,"--------------------"
!WRITE(*,'(A10,3F14.6)') "center 1=", fCenters(1,:)
!WRITE(*,'(A10,3F14.6)') "center 2=", fCenters(2,:)
!WRITE(*,'(A10,3F14.6)') "center 3=", fCenters(3,:)
!WRITE(*,'(A10,3F14.6)') "center 4=", fCenters(4,:)
!WRITE(*,'(A10,3F14.6)') "normal 1=", fNormals(1,:)
!WRITE(*,'(A10,3F14.6)') "normal 2=", fNormals(2,:)
!WRITE(*,'(A10,3F14.6)') "normal 3=", fNormals(3,:)
!WRITE(*,'(A10,3F14.6)') "normal 4=", fNormals(4,:)
CALL PartInElement2(r,fCenters,fNormals,4,res,ierr)
IF (ierr.EQ.0) THEN
findInTet = i
RETURN
END IF
END DO
END IF
END FUNCTION findInTet
END
! -----------------------------------------------------------------------------------------
SUBROUTINE InterpolateFFInElementNew(m,p,r,ie,ifound,fluid,fap)
!
! Interpolate flow field to particle position
!
! -----------------------------------------------------------------------------------------
USE mesh
USE superE
USE mFluid
USE logFile
USE counters
IMPLICIT NONE
TYPE(meshType) :: m ! mesh data structure
TYPE(fluidType) :: fluid ! fluid flow fields
TYPE(fluidAtPartType) :: fap ! fluid flow fields at particle position
TYPE(SuperElType) :: p ! particle
INTEGER ie, dummierr
REAL(8) r(3),xez(3)
INTEGER i,j,ifound,inode
INTEGER loctcon(3)
REAL(8) x1(3),x2(3),x3(3),x4(3)
REAL(8) fi(4)
REAL(8),ALLOCATABLE :: uin1(:),uin2(:),uin3(:)
!-----------------------------------------------------------
! Get local tet con, xez and shape functions
!-----------------------------------------------------------
DO i = 1,m%e(ie)%nVertex
IF (m%e(ie)%nodecon(i).EQ.m%e(ie)%tet(ifound)%con(1) ) THEN
loctcon(1) = i
ELSE IF (m%e(ie)%nodecon(i).EQ.m%e(ie)%tet(ifound)%con(2) ) THEN
loctcon(2) = i
ELSE IF (m%e(ie)%nodecon(i).EQ.m%e(ie)%tet(ifound)%con(3) ) THEN
loctcon(3) = i
END IF
END DO
x1 = m%x( m%e(ie)%tet(ifound)%con(1),: )
x2 = m%x( m%e(ie)%tet(ifound)%con(2),: )
x3 = m%x( m%e(ie)%tet(ifound)%con(3),: )
x4 = m%e(ie)%xc
CALL tet_kks2lks(r,x1,x2,x3,x4,xez,dummierr)
CALL tet_shapef(xez,fi)
!-----------------------------------------------------------
! Interpolate in chosen tet with shape functions
!-----------------------------------------------------------
!PRINT *, "nvert=",m%e(ie)%nVertex
!PRINT *, "con=",m%e(ie)%tet(ifound)%con
!PRINT *, "lcon=",loctcon
!PRINT *, "fi=",fi
ALLOCATE( uin1(m%e(ie)%nVertex) )
ALLOCATE( uin2(m%e(ie)%nVertex) )
ALLOCATE( uin3(m%e(ie)%nVertex) )
!
!interpolate :: v
!
DO i = 1,m%e(ie)%nVertex
inode = m%e(ie)%nodeCon(i)
uin1(i) = fluid%Un(inode,1)
uin2(i) = fluid%Un(inode,2)
uin3(i) = fluid%Un(inode,3)
END DO
fap%vx = interpolate(m%e(ie)%nVertex, loctcon, uin1, fi)
fap%vy = interpolate(m%e(ie)%nVertex, loctcon, uin2, fi)
fap%vz = interpolate(m%e(ie)%nVertex, loctcon, uin3, fi)
!
!interpolate :: w
!
DO i = 1,m%e(ie)%nVertex
inode = m%e(ie)%nodeCon(i)
uin1(i) = fluid%Vortn(inode,1)
uin2(i) = fluid%Vortn(inode,2)
uin3(i) = fluid%Vortn(inode,3)
END DO
fap%wx = interpolate(m%e(ie)%nVertex, loctcon, uin1, fi)
fap%wy = interpolate(m%e(ie)%nVertex, loctcon, uin2, fi)
fap%wz = interpolate(m%e(ie)%nVertex, loctcon, uin3, fi)
!
!interpolate :: gradV
!
DO j = 1,3
DO i = 1,m%e(ie)%nVertex
inode = m%e(ie)%nodeCon(i)
uin1(i) = fluid%gradUxn(inode,j)
uin2(i) = fluid%gradUyn(inode,j)
uin3(i) = fluid%gradUzn(inode,j)
END DO
fap%gradVx(j) = interpolate(m%e(ie)%nVertex, loctcon, uin1, fi)
fap%gradVy(j) = interpolate(m%e(ie)%nVertex, loctcon, uin2, fi)
fap%gradVz(j) = interpolate(m%e(ie)%nVertex, loctcon, uin3, fi)
END DO
!
!interpolate :: dvdt
!
DO i = 1,m%e(ie)%nVertex
inode = m%e(ie)%nodeCon(i)
uin1(i) = fluid%dvxdt(inode)
uin2(i) = fluid%dvydt(inode)
uin3(i) = fluid%dvzdt(inode)
END DO
fap%dvxdt = interpolate(m%e(ie)%nVertex, loctcon, uin1, fi)
fap%dvydt = interpolate(m%e(ie)%nVertex, loctcon, uin2, fi)
fap%dvzdt = interpolate(m%e(ie)%nVertex, loctcon, uin3, fi)
! --------------------------------
CONTAINS ! FUNCTIONS
! --------------------------------
FUNCTION interpolate(np,con,uin,fi) RESULT(uout)
IMPLICIT NONE
INTEGER, INTENT(IN) :: np
INTEGER, INTENT(IN) :: con(3)
REAL(8), INTENT(IN) :: uin(np)
REAL(8), INTENT(IN) :: fi(4)
INTEGER i,inode
REAL(8) ucent
REAL(8) uout
!get element center value
ucent = 0.0D0
DO i = 1,np
ucent = ucent + uin(i)
END DO
ucent = ucent / np
uout = 0.0D0
DO i = 1,3
inode = con(i)
uout = uout + fi(i) * uin(inode)
END DO
!i=4 - center value
uout = uout + fi(4) * ucent
END FUNCTION interpolate
END
! -----------------------------------------------------------------------------------------
SUBROUTINE InterpolateFFInElement(m,p,e,ie,r,fluid,fap,ierr)
!
! Interpolate flow field to particle position
!
! -----------------------------------------------------------------------------------------
USE mesh
USE superE
USE mFluid
USE logFile
USE counters
IMPLICIT NONE
TYPE(meshType) :: m ! mesh data structure
TYPE(elementType) :: e ! mesh element
TYPE(fluidType) :: fluid ! fluid flow fields
TYPE(fluidAtPartType) :: fap ! fluid flow fields at particle position
TYPE(SuperElType) :: p ! particle
INTEGER ie, ierr, dummierr
REAL(8) r(3),xez(3),res,minres
INTEGER i,j,k,ntet,ifound,inode,iminres
INTEGER loctcon(3)
REAL(8) fCenters(4,3), fNormals(4,3)
REAL(8) x1(3),x2(3),x3(3),x4(3)
REAL(8) fi(4)
REAL(8) uin1(e%nVertex)
REAL(8) uin2(e%nVertex)
REAL(8) uin3(e%nVertex)
ierr = 0
!-----------------------------------------------------------
! Find local tet, which occupies the particle
!-----------------------------------------------------------
!init
minres = 1E+10
ntet = size (e%tet)
!WRITE(*,'(A30,I6)') "Interpolating :: ie", ie
!WRITE(*,'(A4,3F12.6)') "r=", r
!WRITE(*,'(A4,3F12.6)') "ec=", e%xc
k = 0
ifound = 0
DO i = 1,ntet
fCenters = e%tet(i)%centers
fNormals = e%tet(i)%normals
!PRINT *, "Searching loop:", i,"--------------------"
!WRITE(*,'(A10,3F14.6)') "center 1=", fCenters(1,:)
!WRITE(*,'(A10,3F14.6)') "center 2=", fCenters(2,:)
!WRITE(*,'(A10,3F14.6)') "center 3=", fCenters(3,:)
!WRITE(*,'(A10,3F14.6)') "center 4=", fCenters(4,:)
!WRITE(*,'(A10,3F14.6)') "normal 1=", fNormals(1,:)
!WRITE(*,'(A10,3F14.6)') "normal 2=", fNormals(2,:)
!WRITE(*,'(A10,3F14.6)') "normal 3=", fNormals(3,:)
!WRITE(*,'(A10,3F14.6)') "normal 4=", fNormals(4,:)
CALL PartInElement2(r,fCenters,fNormals,4,res,ierr)
!save minres, for missed elements
IF (res.LT.minres) THEN
minres = res
iminres = i
END IF
IF (ierr.EQ.0) THEN
ifound = i
k = k + 1
END IF
END DO
!important leave this
ierr = 0
!PRINT *, "Local tet find results:"
!WRITE(*,'(A8,I6)') "ifound=", ifound
!WRITE(*,'(A8,I6)') "nfound=", k
!-----------------------------------------------------------
! If not found, deal with this shit somehow
!-----------------------------------------------------------
IF (k.EQ.0) THEN !not found
ifound = iminres
cnt%inthowfound(2) = cnt%inthowfound(2)+1
ierr = 1
ELSE IF (k.EQ.1) THEN !found
cnt%inthowfound(1) = cnt%inthowfound(1)+1
ELSE IF (k.GT.1) THEN !multi found
!happens when particles are very close
!to the tet-element surface. It's not really
!an error, since the particle is so close
!to both element, that it doesn't matter which
!element is used for the interpolation
cnt%inthowfound(3) = cnt%inthowfound(3)+1
!CALL WriteVTKTriangulatedElement('trielement.vtk',m,p%element)
!CALL WriteVTKPoint('point-cc.vtk',m%e(p%element)%xc)
!CALL WriteVTKPoint('point-a.vtk',p%rOld)
!CALL WriteVTKPoint('point-b.vtk',p%r)
!PRINT *, "Stopping in multi found"
!CALL stopProgram(1)
END IF
!-----------------------------------------------------------
! Get local tet con, xez and shape functions
!-----------------------------------------------------------
DO i = 1,e%nVertex
IF (e%nodecon(i).EQ.e%tet(ifound)%con(1) ) THEN
loctcon(1) = i
ELSE IF (e%nodecon(i).EQ.e%tet(ifound)%con(2) ) THEN
loctcon(2) = i
ELSE IF (e%nodecon(i).EQ.e%tet(ifound)%con(3) ) THEN
loctcon(3) = i
END IF
END DO
x1 = m%x( e%tet(ifound)%con(1),: )
x2 = m%x( e%tet(ifound)%con(2),: )
x3 = m%x( e%tet(ifound)%con(3),: )
x4 = e%xc
CALL tet_kks2lks(r,x1,x2,x3,x4,xez,dummierr)
CALL tet_shapef(xez,fi)
!-----------------------------------------------------------
! Interpolate in chosen tet with shape functions
!-----------------------------------------------------------
!PRINT *, "nvert=",e%nVertex
!PRINT *, "con=",e%tet(ifound)%con
!PRINT *, "lcon=",loctcon
!PRINT *, "fi=",fi
!
!interpolate :: v
!
DO i = 1,e%nVertex
inode = e%nodeCon(i)
uin1(i) = fluid%Un(inode,1)
uin2(i) = fluid%Un(inode,2)
uin3(i) = fluid%Un(inode,3)
END DO
fap%vx = interpolate(e%nVertex, loctcon, uin1, fi)
fap%vy = interpolate(e%nVertex, loctcon, uin2, fi)
fap%vz = interpolate(e%nVertex, loctcon, uin3, fi)
!
!interpolate :: w
!
DO i = 1,e%nVertex
inode = e%nodeCon(i)
uin1(i) = fluid%Vortn(inode,1)
uin2(i) = fluid%Vortn(inode,2)
uin3(i) = fluid%Vortn(inode,3)
END DO
fap%wx = interpolate(e%nVertex, loctcon, uin1, fi)
fap%wy = interpolate(e%nVertex, loctcon, uin2, fi)
fap%wz = interpolate(e%nVertex, loctcon, uin3, fi)
!
!interpolate :: gradV
!
DO j = 1,3
DO i = 1,e%nVertex
inode = e%nodeCon(i)
uin1(i) = fluid%gradUxn(inode,j)
uin2(i) = fluid%gradUyn(inode,j)
uin3(i) = fluid%gradUzn(inode,j)
END DO
fap%gradVx(j) = interpolate(e%nVertex, loctcon, uin1, fi)
fap%gradVy(j) = interpolate(e%nVertex, loctcon, uin2, fi)
fap%gradVz(j) = interpolate(e%nVertex, loctcon, uin3, fi)
END DO
!
!interpolate :: dvdt
!
DO i = 1,e%nVertex
inode = e%nodeCon(i)
uin1(i) = fluid%dvxdt(inode)
uin2(i) = fluid%dvydt(inode)
uin3(i) = fluid%dvzdt(inode)
END DO
fap%dvxdt = interpolate(e%nVertex, loctcon, uin1, fi)
fap%dvydt = interpolate(e%nVertex, loctcon, uin2, fi)
fap%dvzdt = interpolate(e%nVertex, loctcon, uin3, fi)
12 CONTINUE
! --------------------------------
CONTAINS ! FUNCTIONS
! --------------------------------
FUNCTION interpolate(np,con,uin,fi) RESULT(uout)
IMPLICIT NONE
INTEGER, INTENT(IN) :: np
INTEGER, INTENT(IN) :: con(3)
REAL(8), INTENT(IN) :: uin(np)
REAL(8), INTENT(IN) :: fi(4)
INTEGER i,inode
REAL(8) ucent
REAL(8) uout
!get element center value
ucent = 0.0D0
DO i = 1,np
ucent = ucent + uin(i)
END DO
ucent = ucent / np
uout = 0.0D0
DO i = 1,3
inode = con(i)
uout = uout + fi(i) * uin(inode)
END DO
!i=4 - center value
uout = uout + fi(4) * ucent
END FUNCTION interpolate
END
! -----------------------------------------------------------------------------------------
SUBROUTINE GetXiEtaZeta(m,e,r,xez,ierr)
!
! Find local coordinates from (x,y,z)
!
! -----------------------------------------------------------------------------------------
USE mesh
USE superE
USE logFile
IMPLICIT NONE
TYPE(elementType) :: e ! mesh element
TYPE(meshType) :: m ! mesh data structure
CHARACTER(255) vrstica
REAL(8) xez(3),pripoints(6,3),pyrpoints(5,3)
REAL(8) x,y,z,x1,y1,z1,x2,y2,z2,x3,y3,z3,x4,y4,z4
REAL(8) x5,y5,z5,x6,y6,z6,x7,y7,z7,x8,y8,z8,xi,eta,zeta
INTEGER ierr,i,j
REAL(8) r(3) ! point inside element
REAL(8) p(3) ! fifth point of pyramid
REAL(8) n(3) ! normal to square face
REAL(8) c(3) ! center of square face
IF (e%type.EQ.12) THEN ! hexa
x=r(1)
y=r(2)
z=r(3)
x1=m%x(e%con(1,1),1)
y1=m%x(e%con(1,1),2)
z1=m%x(e%con(1,1),3)
x2=m%x(e%con(1,2),1)
y2=m%x(e%con(1,2),2)
z2=m%x(e%con(1,2),3)
x4=m%x(e%con(1,3),1)
y4=m%x(e%con(1,3),2)
z4=m%x(e%con(1,3),3)
x3=m%x(e%con(1,4),1)
y3=m%x(e%con(1,4),2)
z3=m%x(e%con(1,4),3)
x5=m%x(e%con(1,5),1)
y5=m%x(e%con(1,5),2)
z5=m%x(e%con(1,5),3)
x6=m%x(e%con(1,6),1)
y6=m%x(e%con(1,6),2)
z6=m%x(e%con(1,6),3)
x8=m%x(e%con(1,7),1)
y8=m%x(e%con(1,7),2)
z8=m%x(e%con(1,7),3)
x7=m%x(e%con(1,8),1)
y7=m%x(e%con(1,8),2)
z7=m%x(e%con(1,8),3)
CALL hex_kks2lks(x,y,z, &
& x1,y1,z1,x2,y2,z2,x3,y3,z3,x4,y4,z4,x5,y5,z5,x6,y6,z6,x7,y7,z7,x8,y8,z8,xi,eta,zeta,ierr)
xez(1)=xi
xez(2)=eta
xez(3)=zeta
IF (ierr.NE.0) PRINT *, "HEX,xi-eta-zeta ierr=1"
ELSE IF (e%type.EQ.10) THEN ! tet
CALL tet_kks2lks(r,m%x(e%con(1,1),:),m%x(e%con(1,2),:),m%x(e%con(1,3),:),m%x(e%con(1,4),:),xez,ierr)
IF (ierr.NE.0) PRINT *, "TET,xi-eta-zeta ierr=1"
ELSE IF (e%type.EQ.14) THEN ! pyr
DO i=1,5
DO j=1,3
pyrpoints(i,j)=m%x(e%con(1,i),j)
END DO
END DO
xez=0.0D0
CALL pyr_kks2lks(r,pyrpoints,xez,ierr) ! find xi,eta,zeta
IF (ierr.NE.0) PRINT *, "PYR,xi-eta-zeta ierr=1"
ELSE IF (e%type.EQ.13) THEN ! prism
DO i=1,6
DO j=1,3
pripoints(i,j)=m%x(e%con(1,i),j)
END DO
END DO
CALL pri_kks2lks(r,pripoints,xez,ierr)
IF (ierr.NE.0) PRINT *, "PRI,xi-eta-zeta ierr=1"
ELSE