OpenFOAM Tutorial Standard Solvers【转载】
转载自：http://www.cnblogs.com/fortran/articles/1996927.html
boundaryFoam
Steady-state solver for 1D
turbulent flow,typically to generate boundary layer conditions at
an inlet, for use in a simulation
Example Problems:
boundaryLaunderSharma model
which has the ability to in model cases and predict by-pass
transition, using the Launder equations.
boundaryWallFunctions solves
a 1D turbulent model with two walls and one cyclic
boundaries.
bubbleFoam
Solver for a system of two
incompressible fluid phases with one phase dispersed, e.g. gas
bubbles in a liquid
Example Problem:
bubbleColumnclassic bubble
column problem with an inlet and outlet for the foam and bubbles
and two walls.
buoyantFoam
Transient Solver for
buoyant, turbulent flow of compressible fluids for ventilation and
heat-transfer
Example Problem:
hotRoom 3D environment with
one inlet, the "floor", which the user can make any temperature and
watch the thermal effects. i.e., thermal plume emanating from a 600
degree source on the floor
buoyantSimpleFoam
Steady-state solver for
buoyant, turbulent flow of compressible fluids for ventilation and
heat-transfer
Example Problem:
hotRoom same as the first
hot room, however this solver is steady state, showing a longer
process, rather than transient.
buoyantSimpleRadiationFoam
Steady-state solver for
buoyant, turbulent flow of compressible fluids with radiation, for
ventilation and heat-transfer
Example Problem:
hotRadiationRoom a much
finer mesh room than the previous two hotRoom cases, along with an
elevated heating source, radiation
channelOodles
Incompressible LES solver
for flow in a channel
Example Problem:
channel395 solves for
channel flow, with several cyclic patches and only two top and
bottom walls. Able to keep the mass flow rate in the channel
constant, by calculating the velocity at each step, takes a long
time to run.
chtMultiRegionFoam
Solver that couples
conjugate heat transfer in a solid to a buoyancy-driven flow
simulation
Example Problem:
multiRegionHeater same as
the hotRoom example problems, however this has multiple sources for
heat, not just one
compressibleLesInterFoam
Solver for 2 compressible,
isothermal immiscible fluids using a volume of fluid (VOF)
phase-fraction based interface capturing approach, with
LES
Example Problems:
depthCharge2D modeled on a
scale, a charge is blown in the mixture and the turbulence is
modeled in a 2D environment based off the run time and a single
momentum equation
depthCharge3D same thing as
the first, but in a 3D environment.
coodles
Coodles is a generic
single-phase compressible LES solver
Example Problem:
pitzDaily a simple 2D
compression, inlet turbulence case with propane for the fluid, with
an applicable mesh
dieselFoam
Diesel spray and combustion
code
Example Problem:
aachenBomb block filled with
air, a diesel injector is placed on the top center of the block and
n-Heptane is injected, evaporates and combusts
dnsFoam
Direct numerical simulation
solver for boxes of isotropic turbulence
Example Problem:
boxTurb16 a box made up of
six cyclic patches to model isotropic turbulence
electrostaticFoam
Solver for
electrostatics
Example Problem:
chargedWire an electrostatic
solver with user input values for the electric field
strength
engineFoam
Solver for internal
combustion engines
Example Problem:
kivaTest a very complex mesh
of a combustion engine of a cylinder four pistons
financialFoam
Solves the Black-Scholes
equation to price commodities
Example Problem:
europeanCall gives the price
C of the trading cost S, the mesh is 1D
gnemdFoam
General purpose molecular
dynamics solver to simulate atoms in arbitrary shaped domains and
average atomic/molecular quantities to the mesh to create field
data
Example Problems:
constrictedChannel
demonstrates multiple species, tethered molecules, field plots and
the flexibility offered by molConfig
nanoNozzle a channel with a
complex shape of solid walls, where a section of neon is driven
along with mixes of argon, used to demonstrate molecule
demonstration
icoDyMFoam
Transient solver for
incompressible, laminar flow of Newtonian fluids with dynamic
mesh
Example Problem:
movingCone a dynamic moving
mesh that the user can manipulate to produce desired outcome,
simplest moving mesh
icoFoam
Transient solver for
incompressible, laminar flow of Newtonian fluids
Example Problems:
cavity enclosed square flow
field with one moving boundary
cavityClipped the same
cavity, but a square of length of 0.04 m is removed from the bottom
right of the cavity
cavityGrade same as the
cavity mesh, however there are now four individual blocks in the
cavity
elbow models the same
simulation as the cavity cases, however it is not the traditional
block mesh, but bent into an elbow
interDyMFoam
Solver for 2 incompressible
fluids, which captures the interface using a VOF method with
optional mesh motion
Example Problems:
damBreakWithObstacle a wall
of water falls, and crashes into an obstacle inside a 3D
environment
sloshingTank2D a 2D
environment that creates sloshing water to simulate crashing and
oscillating waves
sloshingTank2D3DoF Couldn't
find anything
sloshingTank3D a 3D
environment that created sloshing water to simulate crashing and
oscillating waves
sloshingTank3D3DoF Couldn't
find anything
sloshingTank3D6DoF Couldn't
find anything
interFoam
Solver for 2 incompressible
fluids, which captures the interface using a VOF method
Example Promblem:
damBreak simulation of a
breaking wall, the water runs into an object and is projected
around the 2D environment, modeled from user defined time
steps
laplacianFoam
Solves a simple Laplace
equation, e.g. for thermal diffusion in a solid
Example Problem:
flange a complex mesh of a
flange, shows thermal diffusion through the solid
lesCavitatingFoam
Transient cavitation code
with LES turbulence
Example Problems:
throttle a 2D mesh
consisting of two main chambers and a small connecting tube, from
the tube there is a thrusting source
throttle3D same case as seen
in 3D
lesInterFoam
Solver for 2 incompressible
fluids capturing the interface. Turbulence is modeled using a
runtime selectable incompressible LES model
Example Problem:
nozzleFlow2D a nozzle is
inserted into the bottom left of a wedge container, pouring in a
liquid, very applicable but runs slower than
rasInterFoam
mdEquilibrationFoam
Solver that equilibrates
and/or preconditions molecular dynamics systems
Example Problem:
periodicCube a cubic domain
with a periodic boundary in each direction, there is a lattice of
molecules, each in a block, heated to a target
temperature
mhdFoam
Solver for
magnetohydrodynamics (MHD): incompressible, laminar flow of a
conducting fluid under the influence of a magnetic field
Example Problem:
hartmann this solves the
coupled Maxwell-Navier-Stokes equations for an incompressible
fluid, with a presumed constant electrical conductivity
MRFSimpleFoam
Steady state solver for
incompressible turbulent flow with Multiple Reference Frames
regions
Example Problem:
mixerVessel2D a 2D rotator
or impellor working in a constant flow, can work at any
RPM
multiphaseInterFoam
Solver for an arbitrary
number of incompressible immiscible fluids, capturing the multiple
interfaces using a VOF method
Example Problem:
damBreak4phase same as the
damBreak case, however this case contains different fluids at
different levels in the mesh
damBreak4phaseFine same,
just with a finer mesh for greater resolution
nonNewtonianIcoFoam
Transient solver for
incompressible, laminar flow of non-Newtonian fluids
Example Problem:
offsetCylinder same as the
icoFoam tutorial, however in the mesh there is a cylinder, and it
is made to investigate laminar flow around the cylinder
oodles
Incompressible LES
solver
Example Problems:
pitzDaily same as the
coodles case with a very fine mesh, 244k cells. So it runs very
slowly
pitzDailyDirectMapped the
same as the pitzDaily case with a longer inlet, the mesh is still
composed of mainly walls
potentialFoam
Simple potential flow solver
which can be used to generate starting fields for full
Navier-Stokes codes
Example Problems:
cylinder non-orthogonal
mesh, investigate potential flow around a cylinder
pitzDaily same as the other
pitzDaily examples however, this case considers the Navier-Stokes
equations and can be any fluid
rasCavitatingFoam
Transient cavitation code
with RAS turbulence
Example Problem:
throttle same thruster
problem just as in lesCavitatingFoam, however, it doesn't use LES
turbulence for the thrust
rasInterFoam
Solver for 2 incompressible
fluids capturing the interface. Turbulence is modeled using a
runtime selectable incompressible RAS model
Example Problem:
damBreak same as the other
damBreak cases, however this has a RAS liquid, therefore the
turbulence isn't as great from the other cases
rhoCentralFoam
Density-based compressible
flow solver based on central-upwind schemes
Example Problems:
biconic25-55Run35 a rather
simple mesh made for thermodynamics, with an and a field stream,
this case contains a "perfect gas"
forwardStep a flow of Mach 3
at an inlet to a rectangular geometry with a step near the inlet
region that generates shock waves, can generate a supersonic
flow
LadenburgJet60psi Couldn't
Find Anything
obliqueShock 2D aerodynamic
test problem, there is a supersonic inlet into the simple
rectangular mesh, made to represent the reflection of an oblique
shock, such as a plane going mach
shockTube traditional shock
tube problem, a 2D environment in which a shock wave is produced
and the high-pressure and temperature gasses are shown
wedge15Ma5 very similar to
the oblique shock case, however the meshes bottom right side has
been cut out, the supersonic inlet has now been moved to the vertex
of the cut
rhoPimpleFoam
Transient solver for
turbulent flow of compressible fluids for ventilation and
heat-transfer
Example Problem:
angledDuct a simple mesh of
a duct that is bent at an angle, gas is thrust through the inlet
and makes its way to the outlet while heating the mesh as
well
rhoPorousSimpleFoam
Steady-state solver for
turbulent flow of compressible fluids with implicit or explicit
porosity treatment
Example Problems:
angledDuctExplicit duct with
a rectangular cross section with a sharp 45_ bend at the center.
The porous media is added where the duct is bending and it goes
halfway up the angled duct
angledDuctImplicit same as
the other solver, the difference is the porosity of examples, this
example has a finer mesh, and therefore is far more
robust
rhopSonicFoam
Pressure-density-based
compressible flow solver
Example Problems:
shockTube a one dimensional
unsteady case where a discontinuity, normally in pressure, is
introduced in the middle of the domain
wedge15Ma5 same as the first
wedge case, without the upward scheme, as the solver is also
pressure based
rhoSonicFoam
Density-based compressible
flow solver
Example Problems:
forwardStep same as the
first forward step without the applied upward scheme
shockTube same tube and
solver again, however this one is neither pressure or
central-upwind scheme based
rhoTurbFoam
Transient solver for
compressible, turbulent flow
Example Problem:
cavity the same as the
icoFoam case however this isn't a laminar flow, as well the lid is
no longer the transient side but the back wall
rhoTurbTwinParcelFoam
Transient solver for
compressible, turbulent flow with two thermo-clouds
Example Problem:
simplifiedSiwek multiregion
lagrangian clouds, in a squar 2D mesh with a long inlet in the top
left corner, shows turbulent flow into compression of the
gas
scalarTransportFoam
Solves a transport equation
for a passive scalar
Example Problem:
pitzDaily scalar transport,
swirl test: non-uniform initial field, using field
algebra
settlingFoam
Solver for 2 incompressible
fluids for simulating the settling of the dispersed
phase
Example Problems:
dahl a very fine 2D mesh in
which two 2 fluids are released, one one from the top and the other
from the bottom, they then settle together
tank3D Couldn't find
anything
simpleFoam
Steady-state solver for
incompressible, turbulent flow of non-Newtonian fluids
Example Problems:
airFoil2D a 2D airfoil in a
large square mesh, that is put into the flow of turbulent
non-Newtonian fluids
pitzDaily same as all the
others, however this version has a turbulent flow
pitzDailyExptInlet same
thing with a different inlet
simpleSRFFoam
Steady, incompressible,
rotating reference frame
Example Problem:
mixer a large 3D rotor, can
be applied in many different ways
snappyHexMesh
Automatic meshing
tool
Example Problems:
iglooWithFridges exactly as
advertised, an igloo with 2 fridges in it, simply used to show how
the tool works
motorBike once again, simply
here to show how the tool works
solidDisplacementFoam
Transient segregated
finite-volume solver of linear-elastic, small-strain deformation of
a solid body, with optional thermal diffusion and thermal
stresses
Example Problem:
plateHole a square mesh with
a quarter circle cut out of the bottom left corner, pressure is
applied to the plate for stress analysis
solidEquilibriumDisplacementFoam
Steady-state segregated
finite-volume solver of linear-elastic, small-strain deformation of
a solid body
Example Problem:
beamEndLoad a rectangular
beam is strained, testing the elastic properties of the material,
as well stress is shown in the beam
sonicFoam
Transient solver for
trans-sonic/supersonic, laminar flow of a compressible
gas.
Example Problems:
forwardStep same as the
other forwardStep problems, however this contains a laminar flow
rather than turbo
shockTube another version of
a shock tube problem with a laminar flow and compressible
gas
sonicLiquidFoam
Transient solver for
trans-sonic/supersonic, laminar flow of a compressible
liquid
Example Problem:
decompressionTank a simple
tank under high pressure becomes decompressed by a nozzle inserted
in the side of the tank
sonicTurbFoam
Transient solver for
trans-sonic/supersonic, turbulent flow of a compressible
gas
Example Problems:
nacaAirfoil a supersonic
flow around a 2D NACA airfoil
prism a supersonic flow
blown around a 2D prism
turbFoam
Transient solver for
incompressible, turbulent flow
Example Problem:
cavity same as the last
cavity case, however it contains incompressible gas
twoPhaseEulerFoam
Solver for a system of 2
incompressible fluid phases with one phase dispersed, e.g. gas
bubbles in a liquid
Example Problems:
bed couldn't find
anything
bed2 couldn't find
anything
bubbleColumn couldn't find
anything
XiFoam
Compressible
premixed/partially-premixed combustion solver with turbulence
modeling
Example Problem:
moriyoshiHomogeneous
couldn't find anything
Xoodles
Compressible
premixed/partially-premixed combustion solver with large-eddy
simulation (LES) turbulence modeling
Example Problems:
pitzDaily couldn't find
anything
pitzDaily3D couldn't find
anything
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