GfsOutputTime

From Gerris

GfsOutputTime displays the model time, timestep, CPU time and real time.

The syntax in parameter files is

[ GfsOutput ]

The output looks like

step:       4 t:      1.00000000 dt:  2.500000e-01 cpu:   24.26000000 real:   28.69372000

where step: is the timestep (iteration) number (starting from zero), t: is the model time, dt: is the timestep, cpu: is the CPU time elapsed since the simulation was (re)started and real: is the wall-clock time elapsed since the simulation was (re)started.

Examples

• B\'enard--von K\'arm\'an Vortex Street for flow around a cylinder at Re=160

  OutputTime { istep = 10 } stderr

• Vortex street around a "heated" cylinder

  OutputTime { istep = 10 } stderr

• Parallel simulation on four processors

  OutputTime { istep = 10 } stderr

  OutputTime { istep = 1 } balance

• Rayleigh-Taylor instability

  OutputTime { istep = 10 } stderr

• Boussinesq flow generated by a heated cylinder

  OutputTime { istep = 10 } stderr

• Coalescence of a pair of Gaussian vortices (Gerris logo)

    OutputTime { istep = 1 } stderr

• Collapse of a column of grains

    OutputTime { istep = 10 } stderr

• Starting vortex of a NACA 2414 aerofoil

  OutputTime { step = FRAMEPERIOD } stderr

• Viscous folding of a fluid interface

    OutputTime { istep = 10 } stderr

• Turbulent air flow around RV Tangaroa

  OutputTime { istep = 1 } stderr

• Savart--Plateau--Rayleigh instability of a water column

    OutputTime { istep = 1 } stderr

• Atomisation of a pulsed liquid jet

    OutputTime { istep = 1 } log

• Air-water flow around a Series 60 cargo ship

    OutputTime { istep = 1 } stderr

• Forced isotropic turbulence in a triply-periodic box

  OutputTime { istep = 1 } log

• Wingtip vortices behind a rectangular NACA 2414 wing

  OutputTime { step = FRAMEPERIOD } stderr

• Lunar tides in Cook Strait, New Zealand

    OutputTime { istep = 1 } stderr

• Small amplitude solitary wave interacting with a parabolic hump

    OutputTime { istep = 10 } stderr

• Shock reflection by a circular cylinder

    OutputTime { istep = 10 } stderr

• Tsunami runup onto a complex three-dimensional beach

    OutputTime { istep = 10 } stderr

    OutputTime { istep = 1 } balance

• The 2004 Indian Ocean tsunami

    OutputTime { istep = 1 } stderr

• "Garden sprinkler effect" in wave model

    OutputTime { istep = 1 } log-MINLEVEL-NTHETA

• Cyclone-generated wave field

    OutputTime { istep = 1 } stderr

• Convergence of the Poisson solver

  OutputTime { istep = 1 } {
    awk '{if ($2 == 1) print CYCLE, $8;}' >> time
  }

• Convergence with a refined circle

  OutputTime { istep = 1 } {
    awk '{if ($2 == 1) print CYCLE, $8;}' >> time
  }

• Dirichlet boundary condition

    OutputTime { istep = 1 } {
	awk '{if ($2 == 1) print CYCLE, $8;}' >> time
    }

• Convergence of the Poisson solver with solid boundaries

  OutputTime { istep = 1 } {
    awk '{if ($2 == 1) {print "CYCLE " $8}}' >> time
  }
  OutputProjectionStats { start = end } {
    awk '{
      if ($1 == "residual.infty:") print "CYCLE "$3 " " $4;
    }' >> proj
  }
  OutputSimulation { start = end } sim-LEVEL-SOLVER { variables = P }
}

• Star-shaped solid boundary with refinement

    OutputTime { istep = 1 } {
      awk '{if ($2 == 1) {print "CYCLE " $8}}' >> time
    }
    OutputProjectionStats { start = end } {
        awk '{
      if ($1 == "residual.infty:") print "CYCLE "$3 " " $4;
    }' >> proj
    }
    OutputSimulation { start = end } sim-LEVEL-SOLVER { variables = P }
}

• Star-shaped solid boundary

    OutputTime { istep = 1 } {
      awk '{if ($2 == 1) {print "CYCLE " $8}}' >> time
    }
    OutputProjectionStats { start = end } {
        awk '{
      if ($1 == "residual.infty:") print "CYCLE "$3 " " $4;
    }' >> proj
    }
    OutputSimulation { start = end } sim-LEVEL-SOLVER { variables = P }
}

• Thin wall at box boundary

  OutputTime { istep = 1 } {
    awk '{if ($2 == 1) {print "CYCLE " $8}}' >> time
  }
  OutputProjectionStats { start = end } {
    awk '{
      if ($1 == "residual.infty:") print "CYCLE "$3 " " $4;
    }' >> proj
  }
  OutputSimulation { start = end } sim-LEVEL-SOLVER { variables = P }
}

• Flow created by a cylindrical volume source

    OutputTime { istep = 1 } stderr

• Bagnold flow of a granular material

    OutputTime { istep = 10 } stderr

• Wind-driven lake

    OutputTime { istep = 1 } stderr

• Circular dam break on a sphere

    OutputTime { istep = 10 } stderr

• Circular dam break on a rotating sphere

    OutputTime { istep = 10 } stderr

• Advection of a cosine bell around the sphere

  OutputTime { istep = 10 } stderr

• Poisson problem with a pure spherical harmonics solution

  OutputTime { istep = 1 } {
    awk '{if ($2 == 1) print CYCLE, $8;}' >> time
  }

• Spherical harmonics with longitude-latitude coordinates

  OutputTime { istep = 1 } {
    awk '{if ($2 == 1) print CYCLE, $8;}' >> time
  }

• Dielectric-dieletric planar balance

    OutputTime { istep = 1 } stderr

• Balance with solid boundaries

    OutputTime { istep = 1 } stderr