Ansys Fluent vs OpenFOAM

AFAnsys Fluent9.3Visit OpenFOAM9.0Visit

Higher score AF Ansys Fluent #2 in Physics Simulation Software 9.3/10 Pricing on request · 30-day trial Free trial✓ 2 of 6 features Visit Ansys Fluent

vs

OpenFOAM #4 in Physics Simulation Software 9.0/10 Free plan Free plan✓ 2 of 6 features Visit OpenFOAM

• Ansys Fluent fits best

  Enterprise CFD and HPC teams

• OpenFOAM fits best

  Advanced computational fluid dynamics

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Side by side

Feature	AFAnsys Fluent 9.3/10 Visit ↗	OpenFOAM 9.0/10 Visit ↗
At a glance
Editor score	9.3	9.0
Ranking	#2 in Physics Simulation Software	#4 in Physics Simulation Software
Best for	Enterprise CFD and HPC teams	Advanced computational fluid dynamics
Pricing model	Paid	Free
Starting price	Pricing on request · 30-day trial	Free plan
Free plan	Not checked yet	✓ (best)
Free trial	30 days	—
Deployment	Cloud, Desktop	Self-hosted, Desktop
Platforms	Web, Windows, Linux	Windows, macOS, Linux
Support	Community, Docs	Community, Docs
Integrations	4 integrations	4 integrations
Built for	Mid-market, Enterprise	Small business, Mid-market, Enterprise
Features Ansys Fluent 2/6 · OpenFOAM 2/6
Lesson library	Not checked yet	Not checked yet
Authoring tools	Not checked yet	Not checked yet
Assessment tools	Not checked yet	Not checked yet
3D visuals	✓	✓
Offline access	Not checked yet	Not checked yet
Data export	✓	✓
Specs
Delivery mode	Hybrid	Desktop
Our review
Pros	Advanced turbulence, reactive, multiphase and combustion models Native GPU, multi-GPU and HPC computation support Web access, customization and broad Ansys integrations	Turbulence, multiphase-flow, heat-transfer and fluid-flow solvers Native meshing plus MPI-based parallel simulation workflows ParaView visualization with VTK and EnSight export support
Cons	Commercial pricing requires a sales conversation Not open source Its depth may exceed the needs of simpler simulation projects	Primarily focused on fluid simulation rather than broad physics domains Text-based case dictionaries require a technical configuration workflow Source-code extensibility may demand programming expertise
Our verdict	Ansys Fluent is commercial computational fluid dynamics software for engineers and researchers modeling complex fluid behavior. Its scope includes fluid flow, heat and mass transfer, chemical reactions, turbulence, combustion, multiphase… Read the review →	OpenFOAM is a freely available, open-source computational fluid dynamics toolbox for engineering, scientific research and education. It provides solvers and utilities for fluid flow, turbulence, multiphase flow, heat transfer, mesh… Read the review →

Strengths and trade-offs

• Ansys Fluent — where it wins

  • Advanced turbulence, reactive, multiphase and combustion models
  • Native GPU, multi-GPU and HPC computation support
  • Web access, customization and broad Ansys integrations

  Where it doesn't

  • Commercial pricing requires a sales conversation
  • Not open source
  • Its depth may exceed the needs of simpler simulation projects

• OpenFOAM — where it wins

  • Turbulence, multiphase-flow, heat-transfer and fluid-flow solvers
  • Native meshing plus MPI-based parallel simulation workflows
  • ParaView visualization with VTK and EnSight export support

  Where it doesn't

  • Primarily focused on fluid simulation rather than broad physics domains
  • Text-based case dictionaries require a technical configuration workflow
  • Source-code extensibility may demand programming expertise

• AFAnsys Fluent9.3/10 · Pricing on request · 30-day trial

  A deep CFD and HPC environment for demanding industrial simulation work.

  Visit Ansys FluentFull verdict →
• OpenFOAM9.0/10 · Free plan

  A free, extensible CFD toolbox for advanced fluid-flow simulation and research.

  Visit OpenFOAMFull verdict →