Ansys Fluent provides exceptional accuracy, integrates seamlessly with other Ansys physics solvers, and speeds up solve times using a GPU-native solver, enabling engineers, researchers, and business leaders to overcome complex fluid flow challenges.

Speed and performance

Leverage Fluent’s multi-GPU solver and high-performance computing integrations to run massively more complex simulations faster than ever before.

Unrivaled accuracy

Achieve precise results with industry-leading physics models that are rigorously validated against experimental data.

Automation and training

Streamline workflows with automation and boost your skills through comprehensive training support and resources.

Trusted by innovators in nearly every industry

Explore gas turbines Explore mixing Explore heat exchangers Explore wind turbines Explore battery simulation

Fluent offers a comprehensive suite of features, from advanced physics models to built-in optimization to multi-physics integrations, and empowers users at every stage of their CFD journey.

  • Advanced physics

    Access the broadest range of advanced physics models available, including turbulent and laminar, reactive, multi-phase flows and more.

  • Built-in optimization & customization

    Access built-in optimization tools, such as shape optimization, one-click optimization, customization with PyFluent and user-defined functions (UDFs).

  • Multi-physics integrations

    Leverage the broader Ansys portfolio with multiphysics integrations with Ansys Mechanical, Icepak, Motion, and more.

What is Ansys Fluent?

Ansys Fluent is a general-purpose computational fluid dynamics (CFD) software used to model fluid flow, heat and mass transfer, chemical reactions, and more. Fluent offers a modern, user-friendly interface that streamlines the CFD process from pre- to post-processing within a single window workflow. Fluent is known for its advanced physics modeling capabilities, which include turbulence modeling, single and multiphase flows, combustion, battery modeling, fluid-structure interaction, and much more.

Also known for its efficient HPC scaling, large models can easily be solved in Fluent on multiple processors on either CPU or GPU. Multiple solver options are available, including pressure-based and density-based CPU solvers to cover low-speed to hypersonic flows and a pressure-based native GPU solver.

How do I install Ansys Fluent?

To install Ansys Fluent, follow the steps below:

  1. Download the Fluids package from the Download Center in the Ansys Customer Center.
  2. Open the Ansys Installation Launcher and select Install Ansys Products.
  3. Click the right arrow button to accept the default values throughout the installation.
  4. Paste your hostname in the Hostname box on the Enter License Server Specification step and click Next.
  5. When selecting the products to install, check the Fluid Dynamics box and Ansys Geometry Interface box.
  6. Continue to click Next until the products are installed, and finally, click Exit to close the installer.

How do I export data from Ansys Fluent?

You can export data after a Fluent calculation by selecting File - Export - Solution Data. Fluent allows users to export data to Mechanical APDL input, ASCII, ACS, CDAT, CGNS, CFF, EnSight Case Gold, and many other formats.

How do I download Ansys Fluent?

Current customers can download Ansys Fluent from the Download Center in the Ansys Customer Portal. For those who are not current customers but are interested in trying Fluent, Ansys offers a free 30-day trial of Fluent.

How can I learn Ansys Fluent?

Ansys offers a variety of options for users of all skill levels to learn how to use Ansys Fluent. If you are interested in enhancing your simulation, Ansys offers free courses to teach you the underlying physics in a problem and how Fluent is used to help solve this problem.

How do I create a mesh in Ansys Fluent?

Ansys Fluent has two guided workflows to mesh a CAD model, the watertight geometry workflow and the fault-tolerant meshing workflow. Both workflows accelerate meshing by organizing the process into a user-friendly, task-based workflow that offers relevant choices and options but also has the flexibility to be customized.

What is Ansys Fluent used for?

Ansys Fluent is primarily used for computational fluid dynamics (CFD) simulations to analyze, design, and optimize products and processes involving fluid flow, heat transfer, chemical reactions, and related phenomena.