SUBROUTINE InitWENO(dim_, meqn_, nvars_, nghost_, order_, optimized_, &
use_carbfix_, method_, useViscous_, useLES_, useSource_, noTimeRefine_, &
alpha_filter_)
! ---- Shared Variables
USE method_parms
use cles_interfaces
USE Generic_Transport
IMPLICIT NONE
include 'cles.i'
INTEGER, INTENT(IN) :: dim_, meqn_, nvars_, nghost_
INTEGER, INTENT(IN) :: order_, optimized_, use_carbfix_, method_
INTEGER, INTENT(IN) :: useViscous_, useLES_, useSource_, noTimeRefine_
DOUBLE PRECISION, INTENT(IN) :: alpha_filter_
INTEGER :: status, i
INTEGER :: CLESLOG_TCD, CLESLOG_TCD_STENCIL
PARAMETER (CLESLOG_TCD=3, CLESLOG_TCD_STENCIL=1)
NAMELIST/stencilstuff/stencil,optimized
call cleslog_log_enter('InitWENO')
dim = dim_
! ---- The number of components actually used
ncomps = meqn_
! ---- the number of equations
nvars = nvars_
! ---- (nvars -5) is the number of scalars
nscal = nvars-5
order = order_
method = method_
optimized = optimized_
alpha_eta2 = max(min(1.0d0,alpha_filter_),0.0d0)
alpha_eta1 = 1.0d0-alpha_eta2
if ( method .eq. CLES_METHOD_UPWIND ) then
if ( order .eq. 2 .or. order .eq. 3 ) then
stencil = 5
else if ( order .eq. 4 .or. order .eq. 5 ) then
stencil = 7
else
print *, 'Error: wrong order of accuracy for pure weno'
print *, 'method was ', method
print *, 'cles method upwind is ', cles_method_upwind
stop
endif
! do not use dcflag to determine upwinded fluxes, do it to all terms
use_dcflag = CLES_FALSE
else if ( method .eq. CLES_METHOD_HYBRID ) then
if ( order .eq. 2 ) then
if ( optimized .eq. 0 ) then
stencil = 3
else if ( optimized .eq. 1 ) then
stencil = 5
else
print *, 'Error: out of range optimization value'
stop
endif
else if ( order .eq. 4 ) then
if ( optimized .eq. 0 ) then
stencil = 5
else if ( optimized .eq. 1 ) then
stencil = 7
else
print *, 'Error: out of range optimization value'
stop
endif
else if ( order .eq. 6 ) then
stencil = 7
else
print *, 'Error: order must be 2 or 4'
stop
endif
! always used dcflag to find out what to do
use_dcflag = CLES_TRUE
else
print *, 'Error: method unknown'
stop
endif
call set_use_dcflag()
use_carbfix = use_carbfix_
useViscous = useViscous_
useLES = useLES_
useSource = useSource_
noTimeRefine = noTimeRefine_
upb = (stencil-3)/2
lob = (stencil-1)/2
IF (ncomps.le.nvars) THEN
PRINT *, 'Number of components in vector of state too small!'
STOP
END IF
if ( .not. (dim .eq. 3 .and. useLES .eq. CLES_TRUE) ) useLES = CLES_FALSE
if ( useLES .eq. CLES_TRUE ) then
useViscous = CLES_TRUE
endif
! ncomps = nvars + 1 (temp) + 1 (dcflag) +1 (sgske)
if (ncomps.lt.nvars+2+useLES) then
print *, 'number of compents in vector of state too small'
stop
end if
! ---- Initialize transport properties
if ( useViscous .eq. CLES_TRUE ) call SetupTransport()
! setup the compressible version of the sgs solver
if ( useLES .eq. CLES_TRUE ) call SetUpLES(1)
! ---- set the number of ghostcells in the fortran program
nghost = nghost_
! ---- The nominal order/width of the canidate ENO stencils
if(stencil.lt.5) then
! here stencil should be 3 point
! using a simple flux split with up-winding
! enoOrder =1 will allow for using a single ghostcell
! (for non viscous problems)
enoOrder = 1
else
! here the stencil is 7
! uses the weno 7 formulation
enoOrder = (stencil-1)/2
end if
! ---- make sure this is consistant with our scheme
CALL TestGhostSize
! ---- Intiailize Ceofficents for WENO and CenterDiff
CALL SetInterpConstants
if ( cleslog_active(CLESLOG_TCD, CLESLOG_TCD_STENCIL) &
.eq. CLES_TRUE ) then
call cles_test_tcdstencil()
call cleslog_log_flush()
endif
call cleslog_log_exit('InitWENO')
END SUBROUTINE InitWENO
SUBROUTINE FinishWENO
USE method_parms
USE Generic_Transport
IMPLICIT NONE
include 'cles.i'
call cleslog_log_enter('FinishWENO')
if ( useLES .eq. CLES_TRUE ) call CleanUpLES()
call cleslog_log_exit('FinishWENO')
END SUBROUTINE FinishWENO
subroutine set_use_dcflag()
USE method_parms
implicit none
include 'cles.i'
if ( method .eq. CLES_METHOD_UPWIND ) then
use_dcflag = CLES_FALSE
else if ( method .eq. CLES_METHOD_HYBRID ) then
use_dcflag = CLES_TRUE
endif
return
end subroutine set_use_dcflag