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Airfoil_NS.i
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Airfoil_NS.i
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[Mesh]
second_order = true
[fmg]
type = FileMeshGenerator
file = Mesh3.exo
[]
[]
[Variables]
[./vel_x]
order = SECOND
family = LAGRANGE
[../]
[./vel_y]
order = SECOND
family = LAGRANGE
[../]
[./p]
order = FIRST
family = LAGRANGE
[../]
[]
[ICs]
[./x_velocity]
type = ConstantIC
variable = vel_x
value = 1.0
[../]
[./y_velocity]
type = ConstantIC
variable = vel_y
value = 0.0
[../]
[./p]
type = ConstantIC
variable = p
value = 0
[../]
[]
[Kernels]
[./mass]
type = INSMass
variable = p
u = vel_x
v = vel_y
p = p
[../]
[./x_momentum_time]
type = INSMomentumTimeDerivative
variable = vel_x
[../]
[./y_momentum_time]
type = INSMomentumTimeDerivative
variable = vel_y
[../]
[./x_momentum_space]
type = INSMomentumLaplaceForm
variable = vel_x
u = vel_x
v = vel_y
p = p
component = 0
[../]
[./y_momentum_space]
type = INSMomentumLaplaceForm
variable = vel_y
u = vel_x
v = vel_y
p = p
component = 1
[../]
[]
[BCs]
[./x_no_slip]
type = DirichletBC
variable = vel_x
boundary = 'WALL AIRFOIL'
value = 0.0
[../]
[./y_no_slip]
type = DirichletBC
variable = vel_y
boundary = 'WALL AIRFOIL'
value = 0.0
[../]
[./x_inlet]
type = DirichletBC
variable = vel_x
boundary = 'INLET'
value = 1.0
[../]
[./y_inlet]
type = DirichletBC
variable = vel_y
boundary = 'INLET'
value = 0.0
[../]
[./pressure_outlet]
type = DirichletBC
variable = p
boundary = 'OUTLET'
value = 0
[../]
[]
[Materials]
[./const]
type = GenericConstantMaterial
#block = 'FLUID'
block = 'SOLID'
prop_names = 'rho mu'
prop_values = '1 0.002'
[../]
[]
[Preconditioning]
[./SMP]
type = SMP
full = true
solve_type = 'NEWTON'
[../]
[]
[Executioner]
type = Transient
# scheme = bdf2
num_steps = 100
dt = .1
dtmin = .1
petsc_options_iname = '-pc_type'
petsc_options_value = 'lu'
#petsc_options_iname = ' -pc_type -sub_pc_type -pc_asm_overlap -ksp_gmres_restart -sub_pc_factor_shift_type'
#petsc_options_value = ' asm lu 2 200 NONZERO'
#petsc_options_iname = '-ksp_type -ksp_gmres_restart -pc_type -sub_pc_type -snes_max_it -sub_pc_factor_shift_type -pc_asm_overlap -snes_atol -snes_rtol '
#petsc_options_value = 'gmres 30 asm lu 100 NONZERO 2 1E-14 1E-12'
#petsc_options_iname = '-pc_type -pc_asm_overlap -sub_pc_type -sub_pc_factor_levels'
#petsc_options_value = 'asm 2 ilu 4'
#line_search = 'none'
nl_rel_tol = 1e-8
nl_abs_tol = 1e-9
nl_max_its = 6
l_tol = 1e-6
l_max_its = 500
[]
[Outputs]
file_base = NACA_airfoil
exodus = true
[]