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Level specific wave tolerance #241

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Level specific wave tolerance #241

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343917f
level speciffic wace tol added
Jan 16, 2017
21cb1e6
minor fix
Jan 17, 2017
a73b783
added comments
Jan 18, 2017
b97a4db
robust version to handle different lengths of wave tolerance inputs
Feb 15, 2017
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49 changes: 34 additions & 15 deletions src/2d/shallow/flag2refine2.f90
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Original file line number Diff line number Diff line change
Expand Up @@ -61,7 +61,7 @@ subroutine flag2refine2(mx,my,mbc,mbuff,meqn,maux,xlower,ylower,dx,dy,t,level, &

! Generic locals
integer :: i,j,m
real(kind=8) :: x_c,y_c,x_low,y_low,x_hi,y_hi
real(kind=8) :: x_c,y_c,x_low,y_low,x_hi,y_hi,mth_level_wave_tolerance, mth_level_speed_tolerance
real(kind=8) :: speed, eta, ds

! Storm specific variables
Expand Down Expand Up @@ -175,27 +175,46 @@ subroutine flag2refine2(mx,my,mbc,mbuff,meqn,maux,xlower,ylower,dx,dy,t,level, &

if (q(1,i,j) > dry_tolerance) then
eta = q(1,i,j) + aux(1,i,j)

! Check wave criteria
if (abs(eta - sea_level) > wave_tolerance) then
! Check to see if we are near shore
if (q(1,i,j) < deep_depth) then
amrflags(i,j) = DOFLAG
cycle x_loop
! Check if we are allowed to flag in deep water
! anyway
else if (level < max_level_deep) then
amrflags(i,j) = DOFLAG
cycle x_loop

! New method - level specific wave tolerance
do m=1,mxnest
if (m > size(wave_tolerance)) then
mth_level_wave_tolerance = wave_tolerance(size(wave_tolerance))
else
mth_level_wave_tolerance = wave_tolerance(m)
endif
endif

if (abs(eta - sea_level) > mth_level_wave_tolerance .and. level <= m) then
! Check to see if we are near shore
Print *, "Level is ", level
Print *, "Wave tolerance is ", mth_level_wave_tolerance

if (q(1,i,j) < deep_depth) then
amrflags(i,j) = DOFLAG
cycle x_loop
! Check if we are allowed to flag in deep water
! anyway
else if (level < max_level_deep) then
amrflags(i,j) = DOFLAG
cycle x_loop
endif
endif
enddo

! Check speed criteria, note that it might be useful to
! also have a per layer criteria since this is not
! gradient based
speed = sqrt(q(2,i,j)**2 + q(3,i,j)**2) / q(1,i,j)
do m=1,min(size(speed_tolerance),mxnest)
if (speed > speed_tolerance(m) .and. level <= m) then
do m=1,mxnest
if (m > size(speed_tolerance)) then
mth_level_speed_tolerance = speed_tolerance(size(speed_tolerance))
else
mth_level_speed_tolerance = speed_tolerance(m)
endif

if (speed > mth_level_speed_tolerance .and. level <= m) then
amrflags(i,j) = DOFLAG
cycle x_loop
endif
Expand Down
6 changes: 4 additions & 2 deletions src/2d/shallow/refinement_module.f90
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Expand Up @@ -11,7 +11,7 @@ module refinement_module
! ========================================================================
! Refinement Criteria
! ========================================================================
real(kind=8) :: wave_tolerance
real(kind=8), allocatable :: wave_tolerance(:)
real(kind=8), allocatable :: speed_tolerance(:)
real(kind=8) :: deep_depth
integer :: max_level_deep
Expand Down Expand Up @@ -59,7 +59,9 @@ subroutine set_refinement(file_name)
endif

! Basic criteria
read(unit,*) wave_tolerance
read(unit,'(a)') line
allocate(wave_tolerance(get_value_count(line)))
read(line,*) wave_tolerance
read(unit,'(a)') line
allocate(speed_tolerance(get_value_count(line)))
read(line,*) speed_tolerance
Expand Down