Rotating machinery in OpenFOAM 14 with the mixerVessel2DMRF and TJunctionFan tutorials: MRF region, rpm and omega units, MRFnoSlip, the fan as a fanPressureJump pressure jump, flow rates and kinematic pressure, fan curve, system curve and operating point, torque and power, with every script and the downloadable archive.

Porous media in OpenFOAM 14 on the porousBlockage tutorial: bypassable porous obstacle and full-section slab, cellZone, porosityForce and the Darcy–Forchheimer law, kinematic pressure and conversion to pascals, aU + bU² regression, permeability and Ergun, with every script, the run-script fix and the downloadable archive.

The VOF method in OpenFOAM 14 on the damBreakLaminar tutorial: collapse of a water column in air and water–oil redistribution in a closed tank, incompressibleVoF, interface compression, MULES, interfacial tension, pressure reference, phase balances and ParaView analysis, with every script.

Passive tracer transport in OpenFOAM 14 on the pitzDailyScalarTransport tutorial: advection, diffusion, Péclet number, numerical diffusion, scalarTransport and the functions solver, a four-case campaign, linearity test, tracer balance and residence times, with every script.

An illustrated introduction to the GNU Octave debugger in GX-TXT. Two examples tested in dev-107 cover nested functions, breakpoints, the Call Stack, local variables and numerical computing through NUMERIC_API_v1.

Conjugate heat transfer in OpenFOAM 14 on the heatedDuct tutorial: three coupled regions (water, metal and heater), foamMultiRun, coupledTemperature, volumetric source, energy storage and energy balance, with monitoring functions and every script.

Heat transfer and natural convection in OpenFOAM 14 on the buoyantCavity tutorial: energy equation, perfect gas and p_rgh, thermal wall conditions, heat flux with wallHeatFlux, Nusselt number and energy balance, comparison with the experimental data and every script.

Turbulence in OpenFOAM 14 on the pitzDailySteady tutorial: a controlled k-ε versus k-ω SST comparison, consistent inlet conditions, wall functions and y⁺, reattachment from wall shear stress, pressure losses in pascals and ParaView analysis, with every script.

Transient simulations in OpenFOAM 14 on the cavity tutorial: physical versus computing time, controlDict, Courant number, time schemes and PIMPLE, probes, comparison of two time steps, observed order with three steps and ParaView animations through pvserver, with every script.

From mesh to physical problem in OpenFOAM 14: patches and boundary conditions, 0/U and 0/p, physicalProperties and momentumTransport, a complete rectangular duct in three variants (velocity, flow rate, viscosity), flow balances, comparison with the analytic solution and a delivery sheet, with every file and script.