Tag: computational fluid dynamics

Three stacked boxes linked by arrows: PDE terms (time, gradient, advection, diffusion), fvSchemes (ddt, grad, div, laplacian, snGrad), discretisation (face values, fluxes, cell equations)

OpenFOAM 14 Part 5: fvSchemes, from Equations to Discretisation

Written by giux | Published on Oct 16, 2026 | No comments

How to read and modify system/fvSchemes in OpenFOAM 14: from equation terms to the six scheme families (ddt, grad, div, laplacian, interpolation, snGrad), defaults and overrides, upwind, linearUpwind, bounded, non-orthogonal correction, controlled A/B comparisons and error diagnosis.

#CFD #computational fluid dynamics #discretisation #fvSchemes #OpenFOAM

OpenFOAM 14 Case 01: Laminar Flow Between Parallel Plates, Validated Against Poiseuille

Written by giux | Published on Sep 21, 2026 | No comments

First case of the OpenFOAM 14 path: a laminar parallel-plate channel built from scratch with blockMesh, solved with foamRun and validated against the Poiseuille profile (0.15% error).

#CFD #CFD validation #computational fluid dynamics #mesh #OpenFOAM #ParaView #Poiseuille flow