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Fix bug in adaptive time-stepping #667

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Nov 1, 2024
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Fix bug in adaptive time-stepping #667

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9 changes: 6 additions & 3 deletions src/simulation/m_start_up.fpp
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Original file line number Diff line number Diff line change
Expand Up @@ -113,6 +113,8 @@

procedure(s_read_abstract_data_files), pointer :: s_read_data_files => null()

real(kind(0d0)) :: dt_init

contains

!> The purpose of this procedure is to first verify that an
Expand Down Expand Up @@ -1097,8 +1099,6 @@
real(kind(0d0)), intent(inout) :: start, finish
integer, intent(inout) :: nt

real(kind(0d0)) :: dt_init

integer :: i, j, k, l

if (cfl_dt) then
Expand All @@ -1108,7 +1108,10 @@

if (t_step == 0) dt_init = dt

if (dt < 1d-3*dt_init .and. cfl_adap_dt) call s_mpi_abort("Delta t has become too small")
if (dt < 1d-3*dt_init .and. cfl_adap_dt .and. proc_rank == 0) then
print*, "Delta t = ", dt
call s_mpi_abort("Delta t has become too small")

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Added lines #L1112 - L1113 were not covered by tests
end if
end if

if (cfl_dt) then
Expand Down
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