blob: 44e11c2f7baf3294f091b05a70eb9ffbd46de05c [file] [log] [blame]
c---------------------------------------------------------------------
c---------------------------------------------------------------------
subroutine verify(no_time_steps, class, verified)
c---------------------------------------------------------------------
c---------------------------------------------------------------------
c---------------------------------------------------------------------
c verification routine
c---------------------------------------------------------------------
include 'header.h'
double precision xcrref(5),xceref(5),xcrdif(5),xcedif(5),
> epsilon, xce(5), xcr(5), dtref
integer m, no_time_steps
character class
logical verified
c---------------------------------------------------------------------
c tolerance level
c---------------------------------------------------------------------
epsilon = 1.0d-08
c---------------------------------------------------------------------
c compute the error norm and the residual norm, and exit if not printing
c---------------------------------------------------------------------
call error_norm(xce)
call compute_rhs
call rhs_norm(xcr)
do m = 1, 5
xcr(m) = xcr(m) / dt
enddo
class = 'U'
verified = .true.
do m = 1,5
xcrref(m) = 1.0
xceref(m) = 1.0
end do
c---------------------------------------------------------------------
c reference data for 12X12X12 grids after 100 time steps, with DT = 1.50d-02
c---------------------------------------------------------------------
if ( (grid_points(1) .eq. 12 ) .and.
> (grid_points(2) .eq. 12 ) .and.
> (grid_points(3) .eq. 12 ) .and.
> (no_time_steps .eq. 100 )) then
class = 'S'
dtref = 1.5d-2
c---------------------------------------------------------------------
c Reference values of RMS-norms of residual.
c---------------------------------------------------------------------
xcrref(1) = 2.7470315451339479d-02
xcrref(2) = 1.0360746705285417d-02
xcrref(3) = 1.6235745065095532d-02
xcrref(4) = 1.5840557224455615d-02
xcrref(5) = 3.4849040609362460d-02
c---------------------------------------------------------------------
c Reference values of RMS-norms of solution error.
c---------------------------------------------------------------------
xceref(1) = 2.7289258557377227d-05
xceref(2) = 1.0364446640837285d-05
xceref(3) = 1.6154798287166471d-05
xceref(4) = 1.5750704994480102d-05
xceref(5) = 3.4177666183390531d-05
c---------------------------------------------------------------------
c reference data for 36X36X36 grids after 400 time steps, with DT = 1.5d-03
c---------------------------------------------------------------------
elseif ( (grid_points(1) .eq. 36) .and.
> (grid_points(2) .eq. 36) .and.
> (grid_points(3) .eq. 36) .and.
> (no_time_steps . eq. 400) ) then
class = 'W'
dtref = 1.5d-3
c---------------------------------------------------------------------
c Reference values of RMS-norms of residual.
c---------------------------------------------------------------------
xcrref(1) = 0.1893253733584d-02
xcrref(2) = 0.1717075447775d-03
xcrref(3) = 0.2778153350936d-03
xcrref(4) = 0.2887475409984d-03
xcrref(5) = 0.3143611161242d-02
c---------------------------------------------------------------------
c Reference values of RMS-norms of solution error.
c---------------------------------------------------------------------
xceref(1) = 0.7542088599534d-04
xceref(2) = 0.6512852253086d-05
xceref(3) = 0.1049092285688d-04
xceref(4) = 0.1128838671535d-04
xceref(5) = 0.1212845639773d-03
c---------------------------------------------------------------------
c reference data for 64X64X64 grids after 400 time steps, with DT = 1.5d-03
c---------------------------------------------------------------------
elseif ( (grid_points(1) .eq. 64) .and.
> (grid_points(2) .eq. 64) .and.
> (grid_points(3) .eq. 64) .and.
> (no_time_steps . eq. 400) ) then
class = 'A'
dtref = 1.5d-3
c---------------------------------------------------------------------
c Reference values of RMS-norms of residual.
c---------------------------------------------------------------------
xcrref(1) = 2.4799822399300195d0
xcrref(2) = 1.1276337964368832d0
xcrref(3) = 1.5028977888770491d0
xcrref(4) = 1.4217816211695179d0
xcrref(5) = 2.1292113035138280d0
c---------------------------------------------------------------------
c Reference values of RMS-norms of solution error.
c---------------------------------------------------------------------
xceref(1) = 1.0900140297820550d-04
xceref(2) = 3.7343951769282091d-05
xceref(3) = 5.0092785406541633d-05
xceref(4) = 4.7671093939528255d-05
xceref(5) = 1.3621613399213001d-04
c---------------------------------------------------------------------
c reference data for 102X102X102 grids after 400 time steps,
c with DT = 1.0d-03
c---------------------------------------------------------------------
elseif ( (grid_points(1) .eq. 102) .and.
> (grid_points(2) .eq. 102) .and.
> (grid_points(3) .eq. 102) .and.
> (no_time_steps . eq. 400) ) then
class = 'B'
dtref = 1.0d-3
c---------------------------------------------------------------------
c Reference values of RMS-norms of residual.
c---------------------------------------------------------------------
xcrref(1) = 0.6903293579998d+02
xcrref(2) = 0.3095134488084d+02
xcrref(3) = 0.4103336647017d+02
xcrref(4) = 0.3864769009604d+02
xcrref(5) = 0.5643482272596d+02
c---------------------------------------------------------------------
c Reference values of RMS-norms of solution error.
c---------------------------------------------------------------------
xceref(1) = 0.9810006190188d-02
xceref(2) = 0.1022827905670d-02
xceref(3) = 0.1720597911692d-02
xceref(4) = 0.1694479428231d-02
xceref(5) = 0.1847456263981d-01
c---------------------------------------------------------------------
c reference data for 162X162X162 grids after 400 time steps,
c with DT = 0.67d-03
c---------------------------------------------------------------------
elseif ( (grid_points(1) .eq. 162) .and.
> (grid_points(2) .eq. 162) .and.
> (grid_points(3) .eq. 162) .and.
> (no_time_steps . eq. 400) ) then
class = 'C'
dtref = 0.67d-3
c---------------------------------------------------------------------
c Reference values of RMS-norms of residual.
c---------------------------------------------------------------------
xcrref(1) = 0.5881691581829d+03
xcrref(2) = 0.2454417603569d+03
xcrref(3) = 0.3293829191851d+03
xcrref(4) = 0.3081924971891d+03
xcrref(5) = 0.4597223799176d+03
c---------------------------------------------------------------------
c Reference values of RMS-norms of solution error.
c---------------------------------------------------------------------
xceref(1) = 0.2598120500183d+00
xceref(2) = 0.2590888922315d-01
xceref(3) = 0.5132886416320d-01
xceref(4) = 0.4806073419454d-01
xceref(5) = 0.5483377491301d+00
c---------------------------------------------------------------------
c reference data for 408X408X408 grids after 500 time steps,
c with DT = 0.3d-03
c---------------------------------------------------------------------
elseif ( (grid_points(1) .eq. 408) .and.
> (grid_points(2) .eq. 408) .and.
> (grid_points(3) .eq. 408) .and.
> (no_time_steps . eq. 500) ) then
class = 'D'
dtref = 0.30d-3
c---------------------------------------------------------------------
c Reference values of RMS-norms of residual.
c---------------------------------------------------------------------
xcrref(1) = 0.1044696216887d+05
xcrref(2) = 0.3204427762578d+04
xcrref(3) = 0.4648680733032d+04
xcrref(4) = 0.4238923283697d+04
xcrref(5) = 0.7588412036136d+04
c---------------------------------------------------------------------
c Reference values of RMS-norms of solution error.
c---------------------------------------------------------------------
xceref(1) = 0.5089471423669d+01
xceref(2) = 0.5323514855894d+00
xceref(3) = 0.1187051008971d+01
xceref(4) = 0.1083734951938d+01
xceref(5) = 0.1164108338568d+02
c---------------------------------------------------------------------
c reference data for 1020X1020X1020 grids after 500 time steps,
c with DT = 0.1d-03
c---------------------------------------------------------------------
elseif ( (grid_points(1) .eq. 1020) .and.
> (grid_points(2) .eq. 1020) .and.
> (grid_points(3) .eq. 1020) .and.
> (no_time_steps . eq. 500) ) then
class = 'E'
dtref = 0.10d-3
c---------------------------------------------------------------------
c Reference values of RMS-norms of residual.
c---------------------------------------------------------------------
xcrref(1) = 0.6255387422609d+05
xcrref(2) = 0.1495317020012d+05
xcrref(3) = 0.2347595750586d+05
xcrref(4) = 0.2091099783534d+05
xcrref(5) = 0.4770412841218d+05
c---------------------------------------------------------------------
c Reference values of RMS-norms of solution error.
c---------------------------------------------------------------------
xceref(1) = 0.6742735164909d+02
xceref(2) = 0.5390656036938d+01
xceref(3) = 0.1680647196477d+02
xceref(4) = 0.1536963126457d+02
xceref(5) = 0.1575330146156d+03
else
verified = .false.
endif
c---------------------------------------------------------------------
c verification test for residuals if gridsize is one of
c the defined grid sizes above (class .ne. 'U')
c---------------------------------------------------------------------
c---------------------------------------------------------------------
c Compute the difference of solution values and the known reference values.
c---------------------------------------------------------------------
do m = 1, 5
xcrdif(m) = dabs((xcr(m)-xcrref(m))/xcrref(m))
xcedif(m) = dabs((xce(m)-xceref(m))/xceref(m))
enddo
c---------------------------------------------------------------------
c Output the comparison of computed results to known cases.
c---------------------------------------------------------------------
if (class .ne. 'U') then
write(*, 1990) class
1990 format(' Verification being performed for class ', a)
write (*,2000) epsilon
2000 format(' accuracy setting for epsilon = ', E20.13)
verified = (dabs(dt-dtref) .le. epsilon)
if (.not.verified) then
class = 'U'
write (*,1000) dtref
1000 format(' DT does not match the reference value of ',
> E15.8)
endif
else
write(*, 1995)
1995 format(' Unknown class')
endif
if (class .ne. 'U') then
write (*, 2001)
else
write (*, 2005)
endif
2001 format(' Comparison of RMS-norms of residual')
2005 format(' RMS-norms of residual')
do m = 1, 5
if (class .eq. 'U') then
write(*, 2015) m, xcr(m)
else if (xcrdif(m) .le. epsilon) then
write (*,2011) m,xcr(m),xcrref(m),xcrdif(m)
else
verified = .false.
write (*,2010) m,xcr(m),xcrref(m),xcrdif(m)
endif
enddo
if (class .ne. 'U') then
write (*,2002)
else
write (*,2006)
endif
2002 format(' Comparison of RMS-norms of solution error')
2006 format(' RMS-norms of solution error')
do m = 1, 5
if (class .eq. 'U') then
write(*, 2015) m, xce(m)
else if (xcedif(m) .le. epsilon) then
write (*,2011) m,xce(m),xceref(m),xcedif(m)
else
verified = .false.
write (*,2010) m,xce(m),xceref(m),xcedif(m)
endif
enddo
2010 format(' FAILURE: ', i2, E20.13, E20.13, E20.13)
2011 format(' ', i2, E20.13, E20.13, E20.13)
2015 format(' ', i2, E20.13)
if (class .eq. 'U') then
write(*, 2022)
write(*, 2023)
2022 format(' No reference values provided')
2023 format(' No verification performed')
else if (verified) then
write(*, 2020)
2020 format(' Verification Successful')
else
write(*, 2021)
2021 format(' Verification failed')
endif
return
end