# advection of a front benchmark set Dimension = 2 set CFL number = 0.1 set Use years in output instead of seconds = false set End time = 0.5 set Output directory = output-front-supg subsection Prescribed Stokes solution set Model name = function subsection Velocity function set Function expression = 1; 0 end end set Nonlinear solver scheme = single Advection, no Stokes subsection Discretization set Temperature polynomial degree = 2 subsection Stabilization parameters set Stabilization method = SUPG end end subsection Geometry model set Model name = box subsection Box set X extent = 1 set Y extent = 1 end end subsection Initial temperature model set Model name = function subsection Function set Variable names = x,y set Function constants = set Function expression = if (x<0.25,1,0) end end subsection Initial composition model set Model name = function subsection Function set Variable names = x,y set Function constants = set Function expression = if (x<0.25,1,0) end end subsection Boundary temperature model set List of model names = box subsection Box set Bottom temperature = 0 set Left temperature = 1 set Right temperature = 0 set Top temperature = 0 end end subsection Boundary composition model set List of model names = box subsection Box set Bottom composition = 0 set Left composition = 1 set Right composition = 0 set Top composition = 0 end end subsection Boundary temperature model set Fixed temperature boundary indicators = left, right #top, bottom, left, right end subsection Boundary composition model set Fixed composition boundary indicators = left, right # top, bottom, left, right end subsection Gravity model set Model name = vertical subsection Vertical set Magnitude = 0.0 end end subsection Material model set Model name = simple # default: subsection Simple model set Reference density = 1 set Reference specific heat = 1 set Reference temperature = 0 set Thermal conductivity = 0 #1e-5 set Thermal expansion coefficient = 0 set Viscosity = 0 end end subsection Compositional fields set Number of fields = 1 set Compositional field methods = field end subsection Mesh refinement set Initial global refinement = 4 set Initial adaptive refinement = 0 set Time steps between mesh refinement = 0 end subsection Postprocess set List of postprocessors = velocity statistics, temperature statistics, heat flux statistics, visualization subsection Visualization set Time between graphical output = 0.05 set List of output variables = artificial viscosity end end subsection Solver parameters set Temperature solver tolerance = 1e-10 end