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DroppingBubble.i
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[GlobalParams]
L0 = 1e-2
Ca = 0.025
Mobility = 1e-7
MonotonicPressure = true
[]
[Mesh]
[gen]
type = GeneratedMeshGenerator
dim = 2
nx = 128
ny = 128
[]
[]
[Variables]
[./u]
family = LAGRANGE_VEC
[../]
[./p]
[../]
[./phi]
[../]
[./mu]
[../]
[]
[Kernels]
[./ResMass]
type = ADResMass
variable = p
[]
[./ResMom]
type = ADResMom
variable = u
[]
[./ResPhi]
type = ADResPhi
variable = phi
[]
[./ResMu]
type = ADResMu
variable = mu
[]
[]
[ICs]
[./phi_ic]
type = FunctionIC
variable = phi
function = 'tanh(sqrt(2.0)/2.0 * ((sqrt((x-0.5001)^2 + (y-0.5001)^2) - 0.15) / (0.025)))'
#function = '-tanh(sqrt(2)/2.0 * ((sqrt((x-0.5001)^2 + (0.5001-0.5001)^2) - 0.25) / (0.02)))'
[../]
[]
# [BCs]
# [./Periodic]
# [./all]
# variable = 'mu phi u p'
# auto_direction = 'x y'
# [../]
# [../]
# []
[BCs]
[./no_slip]
type = VectorFunctionDirichletBC
variable = u
boundary = 'bottom right left top'
[../]
[]
[Materials]
[./ADMaterial_NSCH]
type = ADMaterial_NSCH
phase_field = phi
chemical_potential = mu
velocity = u
pressure = p
output_properties = 'rho ResMomStrong'
outputs = Soln
[../]
[]
[Preconditioning]
active = 'SMP'
[./MUMPS]
type = SMP
full = true
solve_type = 'NEWTON'
petsc_options_iname = '-ksp_type -pc_type -pc_factor_mat_solver_type'
petsc_options_value = 'preonly lu mumps'
[]
[./SMP]
type = SMP
full = true
solve_type = 'NEWTON'
petsc_options_iname = '-pc_type -ksp_gmres_restart -sub_ksp_type -sub_pc_type -pc_asm_overlap'
petsc_options_value = 'asm 50 preonly lu 0'
# petsc_options_iname = '-pc_type -pc_hypre_type -ksp_gmres_restart -pc_hypre_boomeramg_strong_threshold'
# petsc_options_value = 'hypre boomeramg 31 0.7'
[../]
[./FDP_n_full]
type = FDP
full = true
solve_type = 'NEWTON'
petsc_options_iname = '-pc_type -mat_fd_coloring_err -mat_fd_type'
petsc_options_value = 'lu 1e-6 ds'
[../]
[./FDP_jfnk]
type = FDP
full = true
#Preconditioned JFNK (default)
solve_type = 'PJFNK'
petsc_options_iname = '-pc_type -mat_fd_coloring_err -mat_fd_type'
petsc_options_value = 'lu 1e-6 ds'
[../]
[]
[Executioner]
type = Transient
[TimeIntegrator]
type = GeneralizedAlpha
[]
nl_rel_tol = 1e-6
nl_abs_tol = 1e-15
nl_max_its = 10
l_tol = 1e-5
l_max_its = 500
# Time Stepping information
start_time = 0
end_time = 1.5
[./TimeStepper]
type = IterationAdaptiveDT
dt = 1e-4
growth_factor = 1.25
cutback_factor = 0.75
optimal_iterations = 4
linear_iteration_ratio = 100
[../]
[]
[Outputs]
perf_graph = true
print_linear_residuals = false
print_linear_converged_reason = true
print_nonlinear_converged_reason = true
print_nonlinear_residuals = true
[Soln]
type = Exodus
execute_on = 'INITIAL TIMESTEP_END FINAL'
time_step_interval = 10
[]
[./console]
type = Console
output_file = true
[../]
# [debug] # This is a test, use the [Debug] block to enable this
# type = VariableResidualNormsDebugOutput
# []
[]