CFD

Illustrated explanation

A numerical mesh needs physical boundary conditions

2CFD
A numerical mesh needs physical boundary conditionsCallout 1: Finite-element model. Callout 2: Fluid-flow model. Finite-element analysis approximates a physical response within a discretized model. Computational fluid dynamics solves a defined flow problem; both depend on inputs and validation. Current term: CFD, callout 2. 1Mesh + material + constraintsFinite-element model 2Flow conditions + fluid propertiesFluid-flow model
  1. FEA

    The numerical response follows the chosen equations, mesh, materials and loads. Check convergence and validation before interpreting the result.

  2. CFDThis term

    The flow solution depends on governing equations, fluid properties and boundary conditions. Compare the model with appropriate experimental evidence.

Finite-element analysis approximates a physical response within a discretized model. Computational fluid dynamics solves a defined flow problem; both depend on inputs and validation.

Conceptual meshes and streamlines without calculated fields. These drawings are not simulation outputs and do not establish structural or flow performance.

ReferencesASME V&V 10 — Verification and validation in computational solid mechanicsISO 80000-4:2019 — Quantities and units — MechanicsASME V&V 20 — Verification and validation in computational fluid dynamics and heat transfer