OpenFOAM Tutorial Standard Solvers

2026/1/27 5:25:52

OpenFOAM Tutorial Standard Solvers

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


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