Open Source ANSYS Fluent Alternatives

The best open source alternative to ANSYS Fluent is OpenFOAM. If that doesn't suit you, our users have ranked more than 25 alternatives to ANSYS Fluent and eight of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to ANSYS Fluent are Elmer, Code_Aster, Code_Saturne and FEATFLOW.

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Alternatives list

  1. OpenFOAM icon

    OpenFOAM

     8 likes

    OpenFOAM is the leading free, open source software for CFD, owned by the OpenFOAM Foundation and distributed exclusively under the General Public Licence (GPL). The GPL gives users the freedom to modify and redistribute the software and a guarantee of continued free use, within...

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    OpenFOAM screenshot 1
     
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    Comments about OpenFOAM as an Alternative to ANSYS Fluent
    Guest
    Positive
    0

    most powerful alternative but unfortunately it has a steep learning curve and is time consuming to work with even after learning. it will be the best if it has a graphical user interface (GUI).

    Review by a new / low-activity user.
    ANSYS Fluent Icon
    OpenFOAM icon

    • Almost everyone thinks OpenFOAM is a great ANSYS Fluent alternative.

    • OpenFOAM is the most popular Mac alternative to ANSYS Fluent.

    • OpenFOAM is the most popular Open Source & free alternative to ANSYS Fluent.

    • OpenFOAM is Free and Open SourceANSYS Fluent is Paid and Proprietary
  2. Elmer icon

    Elmer

     11 likes

    Elmer is an open source multiphysical simulation software mainly developed by CSC - IT Center for Science (CSC). Elmer development was started 1995 in collaboration with Finnish Universities, research institutes and industry.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    Elmer screenshot 1
     

  4. Code_Aster

     1 like

    Structures and thermomechanics analysis for studies and research.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
     
  5. Code_Saturne icon

    Code_Saturne

     1 like

    Code_Saturne solves the Navier-Stokes equations for 2D, 2D-axisymmetric and 3D flows, steady or unsteady, laminar or turbulent, incompressible or weakly dilatable, isothermal or not, with scalars transport if required.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
     
  6. FEATFLOW icon

    FEATFLOW

     2 likes

    The program package FEATFLOW is both a user oriented as well as a general purpose subroutine system for the numerical solution of the incompressible Navier-Stokes equations in two and three space dimensions.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    FEATFLOW screenshot 1
     
  7. Code_Aster for Windows icon

    Code_Aster for Windows

     1 like

    Code_Aster is a free software for numerical simulation in structural mechanics. It is a general software for simulation in mechanics and calculation of structures.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Windows
    Code_Aster for Windows screenshot 1
     

  9. ENigMA

     Like

    ENigMA is an object-oriented C++ template library which aim is to provide multi-physics simulation in a multi-domain environment.

    Cost / License

    Platforms

    • Mac
    • Windows
    • Linux
     

  10. SU2

     Like

    Open-source collection of software tools for performing Computational Fluid Dynamics (CFD) analysis and design.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
     
8 of 8 ANSYS Fluent alternatives