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variables_module.f90
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variables_module.f90
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MODULE variables
use mpi
implicit none
!This module gathers all structures and variable declarations.
!The different variables no need to be redefined and can this file can just be called in the subroutines.
real*8, parameter :: Re = 10.0
real*8, parameter :: dt = 1.0e-3
integer, parameter :: nx = 40
integer, parameter :: ny = 40
integer, parameter :: nz = 40
real*8, parameter :: lx = 1.0
real*8, parameter :: ly = 1.0
real*8, parameter :: lz = 1.0
character(len=20) :: Gridder = 'uniform' !non-uniform, uniform
!------------------- OPENMP ------------------------!
integer :: nthreads
!------------------- OPENMP ------------------------!
!----------------------------MPI----------------------------!
integer :: nproc, myid, ierr, dest
integer :: status(MPI_STATUS_SIZE)
integer, parameter :: master=0
integer :: Zdv, Zr
integer, dimension(1:1024) :: gstart ,gend, gend0, gcount
integer :: l_nbr, r_nbr, icount, iend, istart, itag, igcount
!----------------------------MPI----------------------------!
!--------------------- Unequal grid ---------------------!
real*8, parameter :: GridderXc = 12.5
real*8, parameter :: GridderYc = 3.948
real*8, parameter :: GridderZc = 3.95
integer, parameter :: nxSml = 16
integer, parameter :: nySml = 100
integer, parameter :: nyMid = 150
integer, parameter :: nzSml = 200
integer, parameter :: nzMid = 300
real*8, parameter :: lxSml = 1.0
real*8, parameter :: lySml = 0.3
real*8, parameter :: lyMid = 0.6
real*8, parameter :: lzSml = 1.1
real*8, parameter :: lzMid = 2.0
real*8 :: dySml, dyMid, dy
real*8 :: dxSml, dx
real*8 :: dzSml, dzMid, dz
!--------------------- Unequal grid ---------------------!
!----------------------------B.Cs---------------------------!
! y=1 ______________
! / /|
! / N / |
! /____________ / |
! | | | |
! | | B | |
! W | | x=y=z=0 | E |
! | |_________|___|x=1
! | / | /
! | / S | /
! |/___________|/
! z=1 F
! Neumann du/dn = 0
! Dirichlet u = 1
! no-slip u = 0
character(len=20) :: WestWall_u = 'no-slip'
character(len=20) :: WestWall_v = 'no-slip'
character(len=20) :: WestWall_w = 'no-slip'
character(len=20) :: EastWall_u = 'no-slip'
character(len=20) :: EastWall_v = 'no-slip'
character(len=20) :: EastWall_w = 'no-slip'
character(len=20) :: SouthWall_u = 'no-slip'
character(len=20) :: SouthWall_v = 'no-slip'
character(len=20) :: SouthWall_w = 'no-slip'
character(len=20) :: NorthWall_u = 'no-slip'
character(len=20) :: NorthWall_v = 'no-slip'
character(len=20) :: NorthWall_w = 'Dirichlet'
character(len=20) :: BackWall_u = 'no-slip'
character(len=20) :: BackWall_v = 'no-slip'
character(len=20) :: BackWall_w = 'no-slip'
character(len=20) :: FrontWall_u = 'no-slip'
character(len=20) :: FrontWall_v = 'no-slip'
character(len=20) :: FrontWall_w = 'no-slip'
!----------------------------B.Cs---------------------------!
!----------------Dynamic airfoil model funtion---------------------!
real*8, parameter :: xc = 1.0
real*8, parameter :: yc = 4.0
real*8, parameter :: zc = 4.0
real*8, parameter :: reduce_frequency = 2.0
real*8 :: AOA, AOA1, frequency, StartDynamic
!----------------Dynamic airfoil model funtion---------------------!
!-----------------------RayCasting-------------------------!
real*8, dimension(-1:nx+2,-1:ny+2,-1:nz+2) :: ETA
integer, parameter :: poly = 5000 ! equal POINT
character(len=50) :: NACA_filename
integer, parameter :: nSubGrids = 50
integer :: A, B, C, E
real*8, dimension(1:poly) :: az, ay
integer, dimension(1:nz,1:ny) :: points
integer, dimension(1:nz,1:ny) :: intersection, sub_intersection
real*8 :: m_pa, m_ab
real*8, dimension(1:nz,1:ny) :: ETA_1
integer :: position
!-----------------------RayCasting-------------------------!
!-------------------------Plasma---------------------------!
real*8 ,dimension(1:nx,1:ny,1:nz) :: F_tavex, F_tavey
real*8 ,dimension(1:nx,1:ny,1:nz) :: edelta, EE
real*8 :: PlasmaZc
real*8 :: PlasmaYc
!-------------------------Plasma---------------------------!
!-------------------------iteration variable---------------------------!
integer :: ik, k, i, j, isto, istep, nstep
real*8 :: time
real*8 :: VelocityDifference
!-------------------------iteration variable---------------------------!
!---------------------------Physical variable-----------------------!
real*8 :: nu
real*8, dimension(-1:nx+2,-1:ny+2,-1:nz+2) :: p
real*8, dimension(-1:nx+2,-1:ny+2,-1:nz+2) :: u, v, w
real*8, dimension(-1:nx+2,-1:ny+2,-1:nz+2) :: u1, v1, w1
real*8, dimension(-1:nx+2,-1:ny+2,-1:nz+2) :: u_star, v_star, w_star
real*8, dimension(-1:nx+2,-1:ny+2,-1:nz+2) :: last_velocity
real*8, dimension(1:nx,1:ny,1:nz) :: div,uc,vc,wc,pre
!---------------------------Physical variable-----------------------!
!---------------------------Gauss Seidel-----------------------!
real*8 :: pNew, pChange, mChange, omega, pChangeMax, mChangeMax, itmax
real*8 :: pChangeMax_
!---------------------------Gauss Seidel-----------------------!
!---------------------------QUICK---------------------------!
real*8 :: u_tilde_x1, u_tilde_x2, u_tilde_y1, u_tilde_y2, u_tilde_z1, u_tilde_z2
real*8 :: v_tilde_x1, v_tilde_x2, v_tilde_y1, v_tilde_y2, v_tilde_z1, v_tilde_z2
real*8 :: w_tilde_x1, w_tilde_x2, w_tilde_y1, w_tilde_y2, w_tilde_z1, w_tilde_z2
real*8 :: ue, uw, un, us, uf, ub, vnu, vsu, wfu, wbu
real*8 :: ve, vw, vn, vs, vf, vb, uev, uwv, wfv, wbv
real*8 :: we, ww, wn, ws, wf, wb, uew, uww, vnw, vsw
!---------------------------QUICK---------------------------!
!---------------------------BICG----------------------------!
integer, parameter :: ndim = nx * ny * nz, mdim = 4
real*8, dimension(1:ndim,1:7) :: coef
integer, dimension(1:mdim) :: jcoef
real*8, dimension(1:ndim) :: div1, p_s, r_s, r2_s, v_s, ss_s, t_s
real*8, dimension(1:ndim) :: x1
!---------------------------BICG----------------------------!
!---------------------------LES-----------------------------!
real*8, parameter :: Cs = 0.18
real*8 :: nut, delta, mutsgs
real*8, dimension(nx,ny,nz,3) :: dudx, dvdx, dwdx
real*8, dimension(nx,ny,nz) :: Viseff
!---------------------------LES-----------------------------!
!---------------------------Grid----------------------------!
!Initial grid coordinates for evaluating grid lengths
real*8, dimension (-1:nx+3) :: X
real*8, dimension (-1:ny+3) :: Y
real*8, dimension (-1:nz+3) :: Z
!Actual grid cooridinates (with adjusted index)
real*8, dimension (1:nx+1) :: Xa
real*8, dimension (1:ny+1) :: Ya
real*8, dimension (1:nz+1) :: Za
!Grid lengths
real*8, dimension (-1:nx+2) :: iDx
real*8, dimension (-1:nx+2) :: Dxs
real*8, dimension (-1:ny+2) :: iDy
real*8, dimension (-1:ny+2) :: Dys
real*8, dimension (-1:nz+2) :: iDz
real*8, dimension (-1:nz+2) :: Dzs
!Midpoints of grid coordinates
real*8, dimension (1:nx) :: Xs
real*8, dimension (1:ny) :: Ys
real*8, dimension (1:nz) :: Zs
!---------------------------Grid----------------------------!
!------------------virtualForceIntegrator------------------!
real*8 :: u_solid = 0
real*8 :: v_solid = 0
real*8 :: w_solid = 0
real*8, dimension(-1:nx+2,-1:ny+2,-1:nz+2) :: u2, v2, w2
real*8, dimension(-1:nx+2,-1:ny+2,-1:nz+2) :: FX, FY, FZ
real*8 :: totalFX, totalFY, totalFZ
real*8 :: cDrag ,cLift
real*8, dimension(1:nx,1:ny) :: FXz, FYz, FZz
real*8, dimension(1:nx) :: FXy, FYy, FZy
!------------------virtualForceIntegrator------------------!
!--------------------- output ---------------------!
character(len=20) :: filename, fileformat
integer, parameter :: nblocks = 1
real, dimension(1:nx,1:ny,1:nz) :: Xout, Yout, Zout
real, dimension(1:nx,1:ny,1:nz,5) :: Qout
real :: temp = 1.0 ! mach, alpha, reyn, time
integer :: h,num
!--------------------- output ---------------------!
!---------------------- input ---------------------!
integer :: inblocks
integer :: inx
integer :: iny
integer :: inz
character(len=20) :: inputfile
!---------------------- input ---------------------!
!--------------------calculate wall time--------------------!
real*8 :: totalstarttime
real*8 :: totalfinaltime
real*8 :: totalcosttime
!--------------------calculate wall time--------------------!
!-------------------------chooser---------------------------!
integer :: steadiness
integer :: LES
real*8 :: zeta_vel
real*8 :: zeta
integer :: DBD
!-------------------------chooser---------------------------!
end module