Fluid Dynamics

Computational Fluid Dynamics (CFD) is a tool with amazing flexibility, accuracy and breadth of application. But serious CFD, the kind that provides insights to help you optimize your designs, could be out of reach unless you choose your software carefully. To get serious CFD results, you need serious software. ANSYS CFD goes beyond qualitative results to deliver accurate quantitative predictions of fluid interactions and trade-offs. These insights reveal unexpected opportunities for your product— opportunities that even experienced engineering analysts can otherwise miss.

CFD simulation for every engineer

While ANSYS CFD empowers experienced analysts to deliver deep insights, serious CFD is not just for experts modeling rocket ships and racing cars. Engineers at every level across diverse industries are getting great value from CFD. The ANSYS Customer Excellence (ACE) team has seen and solved a vast array of CFD simulation challenges and are ready to help you solve yours.

More CFD solutions

Go further and faster with well-validated CFD results across the widest range of general, specialty and multiphysics applications. ANSYS Fluent and ANSYS CFX provide fast results for virtually any fluid or multiphysics application, with industry-leading accuracy and robustness. This serious CFD software has the wide ranging capabilities needed to solve your design problems today and in the future.

Solve complex fluid problems

Best-in-class CFD solvers extend the limits of what is possible so you can maximize your product’s performance and efficiency. You can use ANSYS CFD to innovate with breakthrough capabilities in turbomachinery, turbulence, combustion and in-flight icing.

Make better, faster decisions

Recent innovations to modeling, meshing, the user environment, high-performance computing and post-processing radically accelerate your time to results without compromising accuracy. They enable novice users to quickly become productive while giving experienced users greater opportunities to excel.

Flagship Products

CFD Enterprise CFD Premium AIM
ANSYS CFD Enterprise includes all the best of ANSYS’ world-class computational fluid dynamics (CFD) software so experienced engineers and analysts can enjoy the fastest, most accurate results across the widest array of applications, all the time, without compromise.
Experienced engineers need go to further and faster with well-validated CFD results across a wide range of general and multiphysics applications. This serious CFD bundle includes ANSYS Fluent and CFX to provide fast results with industry-leading accuracy and robustness.

ANSYS AIM is an easy to use simulation environment designed for all engineers. It offers integrated CFD and other single discipline and multiphysics solutions based on best-in-class solver technologies in a modern, new, immersive user environment that enables you to rapidly evaluate product design performance with confidence.


With ANSYS 18, every engineer can create better, more accurate computational fluid dynamics (CFD) simulations. Engineers new to CFD will benefit from greatly expanded capabilities in easy-to-use ANSYS AIM, including support for transient flows, non-Newtonian fluid viscosity and fluid momentum. In addition, ANSYS 18 includes new features and functionality that enable engineers to solve CFD problems with more accuracy than ever before. Breakthrough harmonic analysis delivers accurate turbomachinery simulations up to 100x faster. ANSYS 18 also introduces CFD Enterprise, the first solution designed for CFD experts in organizations who need to solve the toughest problems.

Get accurate, reliable turbomachinery simulation results 100X faster with harmonic analysis
Turbomachinery blades must be optimized to achieve superior performance. Previously, the flow for every blade in every row had to be painstakingly calculated — a prohibitively expensive undertaking. ANSYS 18 introduces harmonic analysis to solve these problems in the frequency domain, dramatically accelerating the solution by up to 100x while significantly reducing the hardware requirements, enabling you to obtain a full-wheel solution by calculating as few as one blade per row. Harmonic analysis is not an approximation — the results match the full wheel solution.

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Use overset mesh to simplify and accelerate simulations with moving parts
Overset mesh simplifies and speeds simulations that include structured mesh around individual parts and part swapping, as well as, moving cell zones without having to use re-meshing or smoothing.


 Overset mesh capabilities decrease the simulation time of pressure contours encountered during rocket booster

separation by reducing the number of mesh cells by 70 percent.


ANSYS AIM provides easy prep and meshing for ANSYS Fluent simulations
Now you can take advantage of ANSYS AIM’s fast, intuitive workflow to prepare and mesh geometry for solving in ANSYS Fluent. That enables you to include more advanced fluid physics in the simulation and facilitates collaboration with simulation analysts who can validate results. Reliable data transfer between simulation tools used by design engineers and simulation analysts is required to streamline the product development process.

Watch Video                         White Paper

Solve your toughest simulation challenges with powerful ANSYS CFD Enterprise
When you're serious about CFD, you need the right tools for the job. New ANSYS CFD Enterprise includes all the best of ANSYS’ world-class CFD software so experienced engineers and analysts can enjoy the fastest, most accurate results across the widest array of applications, all the time, without compromise.

CFD Product Comparison   ANSYS CFD Enterprise

CFD simulation apps improve workflows, speed results and provide best practices
ANSYS 18 expands the use of simulation apps with CFD. Engineers can improve outcomes by creating, sharing and using simulation apps that provide simplified workflows, best practices and solutions created by the best CFD experts in the ANSYS ecosystem

Visit the ANSYS App Store



CFD Whitepapers

  • How Best-in-Class Companies Amplify Engineering with CFD

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  • Cutting Design Costs: How Industry leaders benefit from Fast and Reliable CFD

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  • How Design Optimization Can Help Vault Your Product Ahead of Competitors

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  • A Collaborative Approach to Solving Engineering Problems with CFD: How Leading Researchers Benefit -

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CFD Brochures

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