NuMRI/kalman/input_files/aorta_leo.yaml

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mesh: './meshes/coaortaH1.h5'
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# Physical parameters of the fluid
fluid:
density: 1.2
dynamic_viscosity: 0.035
io:
write_path: 'results/aorta_leo'
restart:
path: '' # './projects/nse_coa3d/results/test_restart2/'
time: 0
write_xdmf: True
write_checkpoints: True
write_hdf5_timeseries: False
write_velocity: 'update' # update or tentative
boundary_conditions:
-
id: 1
type: 'dirichlet'
value: ['0','0','0']
-
id: 2
type: 'dirichlet'
value: ['0','0','-U*sin(DOLFIN_PI*t/Th)*(t<=Th) + (Th<t)*(-3.67949466208*U*sin(9*DOLFIN_PI*t/Th)*exp(-t*10))']
parameters:
U: 30
Th: 0.35
t: 0
-
id: 3
type: 'windkessel'
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value: [10,0,0]
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p0: [0,1333.223874]
-
id: 4
type: 'windkessel'
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value: [250,0,0]
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p0: [0,1333.223874]
-
id: 5
type: 'windkessel'
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value: [250,0,0]
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p0: [0,1333.223874]
-
id: 6
type: 'windkessel'
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value: [250,0,0]
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p0: [0,1333.223874]
timemarching:
velocity_pressure_coupling: 'fractionalstep' # monolithic, fractionalstep
monolithic:
timescheme: 'gmp' # generalized midpoint, steady FIXME TODO
theta: 1 # 1: Euler, 0.5: implicit midpoint rule (one-legged)
nonlinear:
method: 'constant_extrapolation' # constant_extrapolation, linear_extrapolation, newton, picard, snes
maxit: 20
init_steps: 30
use_aitken: 1 # 0: False, 1: Picard only, 2: all
report: 1 # 0: None, 1: residuals, 2: residuals and energy (inflow/driving/forcing via ESSENTIAL Dbcs!)
atol: 1.e-6 # note: dot required!!
rtol: 1.e-16
stol: 0.0
fractionalstep:
scheme: 'CT' # CT, IPCS
coupled_velocity: False # False faster, True needed if robin_bc implicit
robin_bc_velocity_scheme: 'implicit' # explicit, semi-implicit, implicit
transpiration_bc_projection: 'robin' # robin, dirichlet
flux_report_normalize_boundary: 1
T: 0.8 # end time
dt: 0.01
write_dt: 0.04
checkpoint_dt: 0.04 # <= 0: only last; else value + last
report: 1 # 0: print nothing, 1: print time step and writeout, 2: 1 + flux
# solver setup
fem:
velocity_space: p1 # p1 p1b/p1+ p2
pressure_space: p1 # p1 p0/dg0 dg1
strain_symmetric: False
convection_skew_symmetric: True # aka Temam term
stabilization:
forced_normal:
enabled: True
boundaries: [6]
gamma: 10
backflow_boundaries: [3,4,5,6]
streamline_diffusion:
enabled: False
parameter: 'standard' # standard, shakib, codina, klr
length_scale: 'metric' # average, max, metric
parameter_element_constant: True
Cinv: ~
monolithic:
infsup: 'pspg' # pspg, pressure-stabilization
graddiv: False
consistent: False
pressure_stab_constant: 1.
fix_pressure: False
fix_pressure_point: [0., 0. , 0.]
linear_solver:
method: 'lu'
estimation:
boundary_conditions:
-
id: 3
type: 'windkessel'
initial_stddev: 1
-
id: 4
type: 'windkessel'
initial_stddev: 1
-
id: 5
type: 'windkessel'
initial_stddev: 1
-
id: 6
type: 'windkessel'
initial_stddev: 1
-
id: 2
type: 'dirichlet'
parameters: 'U'
initial_stddev: 1
measurements:
-
mesh: './meshes/coaortaH3_leo2.0.h5'
fe_degree: 1
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xdmf_file: 'results/aorta_leo/measurements/u_all.xdmf'
file_root: 'results/aorta_leo/measurements/u{i}.h5'
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indices: 0 # indices of checkpoints to be processed. 0 == all
velocity_direction: ~
noise_stddev: 5 # standard deviation of Gaussian noise
roukf:
particles: 'simplex' # unique or simplex
observation_operator: 'postprocessing' #state or postprocessing
reparameterize: True