Learn EasyCFD

Video Tutorials

Step-by-step CFD tutorials covering geometry, meshing, solver setup, convergence and post-processing.

Conjugate Heat Transfer in a Cavity tutorial

Conjugate Heat Transfer in a Cavity

A transient calculation coupling heat conduction in solids with natural convection in the enclosed fluid.

Features illustrated

  • Multiple fluid and solid regions with conjugate interfaces
  • Initial temperatures, thermal boundary conditions and material properties
  • Mesh generation and local refinement
  • Transient solution, monitoring and temperature/velocity post-processing

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Natural Convection in a Horizontal Annulus tutorial

Natural Convection in a Horizontal Annulus

Laminar natural convection in a concentric annulus, including the two flow solutions associated with the bifurcation.

Features illustrated

  • Curved geometry and structured boundary-fitted meshing
  • Buoyancy-driven flow and thermal boundary conditions
  • Obtaining alternative steady solutions through initialization
  • Temperature contours, velocity vectors and streamlines

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Transient Air and CO2 Mixing tutorial

Transient Air–CO2 Mixing

Transient turbulent mixing of air and carbon dioxide in a baffled channel with independently defined inlet conditions.

Features illustrated

  • Multicomponent flow and CO2 mass-fraction transport
  • Time-dependent and spatially varying inlet functions
  • Baffled geometry, mesh refinement and transient solver setup
  • Animated concentration contours and streamlines

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Anisotropic Porous Media Flow tutorial

Anisotropic Porous Media Flow

Flow through an inclined anisotropic filter whose resistance depends on direction.

Features illustrated

  • Definition of a porous subregion and its orientation
  • Different streamwise and transverse resistance coefficients
  • Geometry, mesh refinement and steady solver setup
  • Pressure, velocity and streamline post-processing

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NACA 2412 Steady Attached Flow tutorial

NACA 2412 — Steady Attached Flow

Steady turbulent flow around a NACA 2412 airfoil at a Reynolds number of approximately 3.2 million.

Features illustrated

  • Airfoil-coordinate import, rotation and domain construction
  • Unstructured meshing with near-wall refinement
  • SST turbulence modelling and convergence monitoring
  • Lift/drag calculation and comparison with experimental data

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NACA 2412 Transient Separated Flow tutorial

NACA 2412 — Transient Separated Flow

Transient turbulent separated flow around a NACA 2412 airfoil and the development of its unsteady wake.

Features illustrated

  • Transient initialization from a steady turbulent solution
  • Time-step and numerical-scheme selection
  • Transient force histories and convergence monitoring
  • Animated velocity-vector and wake visualization

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