Developer Documentation

API

GeMotion.simulate8 — Method
simulate(;name="sim",Pr=1.0,Ra=1.0,n=1.0,model=CartesianDiscreteModel((0, 1, 0, 1), (20, 20)),nlsolver_opts=(;show_trace=true,method=:newton,linesearch=BackTracking(),ftol=1E-8,xtol=1E-10),T_diri_tags=["leftline","rightline","botleftpoint","botrightpoint","topleftpoint","toprightpoint"],T_diri_expressions=[0.0,1.0,0.0,1.0,0.0,1.0])

Simulate the flow in a square cavity with a moving lid and a temperature gradient.

Arguments

  • name::String: Name of the simulation.
  • Pr::Float64: Prandtl number.
  • Ra::Float64: Rayleigh number.
  • n::Float64: Power of the viscosity.
  • model::DiscreteModel: Number of elements in each direction.
  • nlsolver_opts::Dict: Options for the nonlinear solver.
  • T_diri_tags::Array{String}: Tags for the Dirichlet boundary conditions for the temperature.
  • T_diri_expressions::Array{Float64}: Expressions for the Dirichlet boundary conditions for the temperature.
  • T_natural_tags::Array{String}: Tags for the Natural boundary conditions for the temperature, used to apply zero Dirichlet BCs for the heat function Pi.

Returns

  • uh::FEFunction: Velocity field.
  • ph::FEFunction: Pressure field.
  • Th::FEFunction: Temperature field.
  • psih::FEFunction: Stream function.
  • Nu::Interpolable: Nusselt number.
  • Sth::FEFunction: Local heat entropy.
  • Sfl::FEFunction: Local fluid entropy.
  • btrian::BoundaryTriangulation: Boundary triangulation.
  • model::CartesianDiscreteModel: Model.
  • Ωₕ::Triangulation: Triangulation.
  • Pr::Float64: Prandtl number.
  • Ra::Float64: Rayleigh number.

Example

simulate(;name="sim",Pr=1.0,Ra=1.0,n=1.0,model=CartesianDiscreteModel((0, 1, 0, 1), (20, 20)),nlsolver_opts=(;show_trace=true,method=:newton,linesearch=BackTracking(),ftol=1E-8,xtol=1E-10),T_diri_tags=["leftline","rightline","botleftpoint","botrightpoint","topleftpoint","toprightpoint"],T_diri_expressions=[0.0,1.0,0.0,1.0,0.0,1.0])

Index