EVOLUTION: Treat any unphysical state properly in EULER method.
Signed-off-by: Grzegorz Kowal <grzegorz@amuncode.org>
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@ -230,7 +230,7 @@ module evolution
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evolve => evolve_euler
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order = 1
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registers = 1
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registers = 2
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name_int = "1st order Euler"
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case ("rk2", "RK2")
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@ -1494,7 +1494,7 @@ module evolution
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type(block_data), pointer :: pdata
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integer :: status
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real(kind=8) :: tm, dtm
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real(kind=8) :: t
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!
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!-------------------------------------------------------------------------------
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!
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@ -1502,44 +1502,69 @@ module evolution
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call start_timer(imu)
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#endif /* PROFILE */
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tm = time + dt
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dtm = dt
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status = 1
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pdata => list_data
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do while (associated(pdata))
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do while(status /= 0)
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call update_increment(pdata)
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call update_sources(pdata, tm, dtm, pdata%du(:,:,:,:))
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t = time + dt
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pdata => list_data
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do while (associated(pdata))
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pdata%uu(:,:,:,:,2) = pdata%uu(:,:,:,:,1)
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pdata%u => pdata%uu(:,:,:,:,2)
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pdata => pdata%next
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end do
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pdata => list_data
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do while (associated(pdata))
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call update_increment(pdata)
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call update_sources(pdata, t, dt, pdata%du(:,:,:,:))
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pdata => pdata%next
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end do
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call boundary_fluxes()
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pdata => list_data
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do while (associated(pdata))
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pdata%uu(:,:,:,:,2) = pdata%uu(:,:,:,:,2) + dt * pdata%du(:,:,:,:)
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pdata => pdata%next
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end do
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if (ibp > 0) then
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adecay(:) = exp(aglm(:) * cmax * dt)
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pdata => list_data
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do while (associated(pdata))
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pdata%u(ibp,:,:,:) = adecay(pdata%meta%level) * pdata%u(ibp,:,:,:)
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pdata => pdata%next
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end do
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end if
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call update_variables(t, dt, status)
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if (status /= 0) dt = 2.5d-01 * dt
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pdata => pdata%next
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end do
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call boundary_fluxes()
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pdata => list_data
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do while (associated(pdata))
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pdata%uu(:,:,:,:,1) = pdata%uu(:,:,:,:,1) + dt * pdata%du(:,:,:,:)
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pdata%uu(:,:,:,:,1) = pdata%uu(:,:,:,:,2)
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pdata%u => pdata%uu(:,:,:,:,1)
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pdata => pdata%next
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end do
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if (ibp > 0) then
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adecay(:) = exp(aglm(:) * cmax * dt)
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pdata => list_data
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do while (associated(pdata))
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pdata%u(ibp,:,:,:) = adecay(pdata%meta%level) * pdata%u(ibp,:,:,:)
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pdata => pdata%next
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end do
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end if
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call update_variables(tm, dtm, status)
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#ifdef PROFILE
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call stop_timer(imu)
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#endif /* PROFILE */
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