This problem tests the writing of a hdf5 file for initialization for compressible flow.
compressibleFlow/hdf5InitializerTest.yaml
---
test: !IntegrationRestartTest
# specify the basic test parameters for restart test
testParameters:
# a unique test name for this integration tests
name: compressibleFlowPgsLodiRestart
asserts:
- "inputs/compressibleFlow/hdf5InitializerTest/hdf5InitializerTest.txt"
# upon restart, use a separate input file
restartInputFile: "inputs/compressibleFlow/hdf5InitializerTest/hdf5InitializerTest.Initialization.yaml"
# metadata for the simulation
environment:
title: _hdf5InitializationCompressibleFlow
tagDirectory: false
arguments:
# ask petsc to label the boundary values
dm_plex_separate_marker: ""
# set up the time stepper responsible for marching in time
timestepper:
arguments:
ts_type: rk
ts_max_time: 100000
ts_max_steps: 50
ts_dt: 1.0E-10
ts_adapt_safety: 0.9
# io controls how often the results are saved to a file for visualization and restart
io: !ablate::io::Hdf5MultiFileSerializer
interval: 0 # results are saved at every 0 steps. In real simulations this should be much larger.
# Create a simple box mesh to start
domain: !ablate::domain::BoxMesh
name: simpleBoxField
faces: [ 50, 10 ]
lower: [ 0.0, 0.0 ]
upper: [ .5, .1 ]
simplex: false
# pass in these options to petsc when setting up the domain. Using an option list here prevents command line arguments from being seen.
options:
dm_distribute: true # turn off default dm_distribute so that we can extrude label first
dm_distribute_overlap: 0
modifiers:
# extrude all boundaries
- !ablate::domain::modifiers::ExtrudeLabel
# use the labels defined by the dm_plex_separate_marker option
regions:
- name: marker
value: 1 # this is the bottom boundary value
- name: marker
value: 2 # this is the right boundary value
- name: marker
value: 3 # this is the top boundary value
- name: marker
value: 4 # this is the left boundary value
# define a region for the new interface between the originalRegion and extrudedRegion
boundaryRegion:
name: boundaryFaces
# for all cells/faces/points that were in the original mesh before extrusion
originalRegion:
name: interiorCells
# for all cells/faces/points that were extruded. This does include overlap faces that are in the boundaryRegion, originalRegion, and extrudedRegion regions
extrudedRegion:
name: boundaryCells
# if using mpi, this modifier distributes cells
- !ablate::domain::modifiers::DistributeWithGhostCells
ghostCellDepth: 2
fields:
# all fields must be defined before solvers. The ablate::finiteVolume::CompressibleFlowFields is a helper
# class that creates the required fields for the compressible flow solver (rho, rhoE, rhoU, ...)
- !ablate::finiteVolume::CompressibleFlowFields
eos: !ablate::eos::PerfectGas &eos
parameters:
gamma: 1.4
Rgas: 287.0
# species are added to the flow through the eos. This allows testing of the species transport equations
species: [ N2, H2O, O2 ]
# by adding a pressure field the code will compute and output pressure
- name: pressure
location: AUX
type: FVM
# set the initial conditions of the flow field
initialization:
# The ablate::finiteVolume::CompressibleFlowFields is a helper
# class that creates the required fields for the compressible flow solver (rho, rhoE, rhoU, ...)
- !ablate::finiteVolume::fieldFunctions::Euler
state:
&flowFieldState
eos: *eos
pressure: 101325.0
temperature: 300
velocity: "0.0, 0.0"
# individual mass fractions must be passed to the flow field state to compute density, energy, etc.
other: !ablate::finiteVolume::fieldFunctions::MassFractions
&massFractions
eos: *eos
values:
- fieldName: N2
field: "x > .01 ? .2 : 1.0"
- fieldName: H2O
field: " x> .01 ? .3 :0"
- fieldName: O2
field: " x > .01 ? .5 : 0"
# the same state can be used to internalize the DensityMassFractions field from density and mass fractions
- !ablate::finiteVolume::fieldFunctions::DensityMassFractions
state: *flowFieldState
solvers:
# The compressible flow solver will solve the compressible flow equations over the interiorCells
- !ablate::finiteVolume::CompressibleFlowSolver
id: vortexFlowField
# only apply this solver to the flowRegion, area without faces
region:
name: interiorCells
# a flux calculator must be specified to so solver for advection
fluxCalculator: !ablate::finiteVolume::fluxCalculator::AusmpUp
# cfl is used to compute the physics time step
parameters:
cfl: 0.5
# the default transport object assumes constant values for k, mu, diff
transport:
&transportModel
k: .2
mu: .1
diff: 1E-4
# share the existing eos with the compressible flow solver
eos: *eos
# use a boundary solver to update the cells in the boundaryCellsLeft region to represent an inlet
- !ablate::boundarySolver::BoundarySolver
id: inlet
region:
name: marker
value: 4
fieldBoundary:
name: boundaryFaces
mergeFaces: false
processes:
- !ablate::boundarySolver::lodi::Inlet
eos: *eos
velocity: "min(100, 100000*t), 0" # for stability, increase the velocity slowly
# use a boundary solver to update the cells in the boundaryCellsRight region to represent an open pipe
- !ablate::boundarySolver::BoundarySolver
id: openBoundary
region:
name: marker
value: 2
fieldBoundary:
name: boundaryFaces
mergeFaces: true
processes:
- !ablate::boundarySolver::lodi::OpenBoundary
eos: *eos
reflectFactor: 0.0
referencePressure: 101325.0
maxAcousticsLength: 1
# use a boundary solver to update the cells in the boundaryCellsTop region to represent standard wall
- !ablate::boundarySolver::BoundarySolver
id: topBoundary
region:
name: marker
value: 3
fieldBoundary:
name: boundaryFaces
mergeFaces: true
processes:
- !ablate::boundarySolver::lodi::IsothermalWall
eos: *eos
# use a boundary solver to update the cells in the boundaryCellsTop region to represent standard wall
- !ablate::boundarySolver::BoundarySolver
id: topBoundary
region:
name: marker
value: 1
fieldBoundary:
name: boundaryFaces
mergeFaces: true
processes:
- !ablate::boundarySolver::lodi::IsothermalWall
eos: *eos