a340.txt

# Settings file for numsim program
# Run ./numsim driven_cavity.txt

# Problem description
physicalSizeX = 10 # physical size of the domain
physicalSizeY = 3
endTime = 30.0         # duration of the simulation
re = 10000              # Reynolds number
gX = 0                 # external forces, set to (gX,gY) = (0,-9.81) to account for gravity
gY = 0

# Obstacle description
obstacleImage = obstacles/airfoils/airfoil_a340_aa13,5.png
outputFolder = sims/a340_aa13.5

# Dirichlet boundary conditions
dirichletBottomX = 0
dirichletBottomY = 0
dirichletTopX    = 0
dirichletTopY    = 0
dirichletLeftX   = 1
dirichletLeftY   = 0
dirichletRightX  = 0
dirichletRightY  = 0

# Discretization parameters
nCellsX = 1200         # number of cells in x and y direction
nCellsY = 360
useDonorCell = true   # if donor cell discretization should be used, possible values: true false
alpha = 0.5           # factor for donor-cell scheme, 0 is equivalent to central differences
tau = 0.5             # safety factor for time step width
maximumDt = 0.2       # maximum values for time step width

# Solver parameters
pressureSolver = CG   # which pressure solver to use, possible values: GaussSeidel SOR CG
omega = 1.6           # overrelaxation factor, only for SOR solver
epsilon = 1e-5        # tolerance for 2-norm of residual
maximumNumberOfIterations = 1e5    # maximum number of iterations in the solver