
OpenFOAM
Simulation & CAE software
- Features
- Ease of use
- Ease of management
- Quality of support
- Affordability
- Market presence
Take the quiz to check if OpenFOAM and its alternatives fit your requirements.
$1,600 per person per training session
Small
Medium
Large
- Energy and utilities
- Manufacturing
- Professional services (engineering, legal, consulting, etc.)
What is OpenFOAM
OpenFOAM is an open-source computational fluid dynamics (CFD) and multiphysics simulation software suite built around the finite volume method. It is used by engineers, researchers, and analysts to model fluid flow, heat transfer, turbulence, combustion, and related coupled physics, typically via command-line workflows and text-based case setup. The platform emphasizes solver and model extensibility through C++ source access and a large library of prebuilt solvers and utilities. It is commonly deployed on Linux workstations and HPC environments for batch and parallel simulations.
Open-source solver transparency
Users can inspect and modify the underlying C++ source code for solvers, turbulence models, and boundary conditions. This supports method development, validation, and tailoring to specialized physics or proprietary processes. It also reduces dependency on vendor-controlled solver behavior compared with closed CAE packages.
Strong HPC parallel scaling
OpenFOAM supports domain decomposition and MPI-based parallel execution for large CFD workloads. It is widely used in Linux and cluster environments where batch execution and automation are important. This makes it suitable for parameter sweeps and large meshes that exceed single-workstation capacity.
Broad CFD and multiphysics library
The distribution includes many established solvers and utilities for incompressible/compressible flow, turbulence, conjugate heat transfer, multiphase flow, and reacting flows. Pre- and post-processing tools (e.g., mesh utilities and field operations) support end-to-end workflows. The breadth of included capabilities can reduce the need to build solvers from scratch for common CFD problem classes.
Steep learning curve
Workflows rely heavily on text configuration files, command-line tools, and familiarity with CFD numerics and discretization choices. New users often need significant time to learn case setup, meshing strategy, and solver selection. Teams accustomed to GUI-driven CAE tools may face onboarding and productivity challenges.
Fragmented distributions and support
Multiple actively used branches and packaged distributions exist, which can differ in features, solver behavior, and compatibility. This can complicate reproducibility across organizations and long-lived projects. Commercial support is available from service providers, but it is not centralized in the same way as single-vendor CAE suites.
Pre/post-processing not unified
Geometry preparation, meshing, and visualization often require external tools and additional integration work. While OpenFOAM provides utilities and can interface with common mesh/visualization formats, the workflow is less integrated than many end-to-end engineering design environments. This can increase effort for CAD-to-simulation pipelines and standardized reporting.
Plan & Pricing
| Plan | Price | Key features & notes |
|---|---|---|
| OpenFOAM (core open-source software) | Free (GPLv3) | Freely downloadable source & precompiled binaries; no license fees; maintained by the OpenFOAM Foundation / OpenCFD. |
| OpenFOAM Foundation — Maintenance / Sponsorship Plans | Silver: €5,000 per year; Gold: €25,000 per year; Platinum: €100,000 per year | Sponsorship/maintenance to fund core development and maintenance; access to the OpenFOAM Hub and maintenance-related communications. |
| OpenCFD (Keysight/OpenCFD) — Public training (Foundation / Advanced / application workshops) | Reference price: 1,400 EUR or 1,600 USD per person per training session | Public virtual and in-person courses; prices vary by region; discounts (e.g., 20% on Advanced when booking Foundation+Advanced) and VAT/taxes may apply. |
| OpenCFD — On-site training | Flat-rate (contact for quote) | On-site courses typically priced as daily flat-rate plus travel/accommodation and materials; request formal quote. |
| OpenCFD — Software Support / Professional services | Contact for quote | 1-year support packages (limited hours/year) and bespoke code/customisation services; enquiries handled via contact form; no public list prices. |