Fluids: Computational Fluid Dynamics (CFD) Software

To optimize the efficiency of products and processes, predicting and controlling fluid flow is critical.

Ansys computational fluid dynamics (CFD) solutions give you confidence in the optimal performance of your product even before you make the first prototype.

With Ansys CFD software, you can model and simulate all fluid processes, including fluid-structure multiphysics interactions. Projects well-suited to this powerful software include automobile engine gas combustion, chemical solution movement through pores in a shale gas formation, jet engine turbine air passage, and heat transfer among printed circuit board components.

View Applications View Products

CFD Applications

Single Phase, Non-Reacting Flows

Fluid flow simulations need comprehensive, accurate turbulent flow models. Choose Ansys CFD software solutions for any application, including steady-state and advanced scale-resolving models.

Heat Transfer

To provide superior analysis in heat transfer products, Ansys CFD software simulates natural and heat-forced convection, radiation, diffusion, and heat conduction in solids.

Particle Flow

Choose Ansys CFD software to solve a full range of fluids particulate systems, from dilute to frictional flows. Using a full range of validated, proven physics, Ansys experts have focused on particle flow simulation for decades.

Free Surface Flows (Multiphase)

Quickly and accurately model transient and steady phenomena involving immiscible fluids such as air and water with Ansys CFD simulation. Simulate sloshing, phase changes, hydrodynamics, maritime application wave loading, or liquid flows and heating.

Dispersed Multiphase Flows

Optimize your design for particle transport systems or air bubble injection systems with Ansys CFD software. Predict erosion rates in pipes and simulate complex phenomena such as slurries, bubbly flows, and fluidized beds.

Reacting Flows and Combustion

Optimize product performance, achieve fuel efficiency, and design faster solves with Ansys CFD software’s detailed, intuitive fuel models and best-practices methodologies. Achieve goals cost-effectively without increasing solution times.


Ansys turbomachinery simulation products are up to any challenge: radial and axial compressors, turbines, turbochargers, and many others. Engineers can predict particle erosion and design better centrifugal compressors, steam turbines, hydro turbines, and pumps.

Shape Optimization

Use smart technologies to optimize shape design with Ansys CFD products. Reduce pressure drag/drop or minimize or maximize heat transfer and morph elements of your design with smart shape optimization technologies, completing projects more quickly.

High Rheology Material

R&D teams in polymer, metals, glass, and cement processing industries use Ansys Polyflow for design and optimization in processes such as extrusion, blow molding, thermoforming, fiber drawing, glass forming, and concrete shaping.


Solve large-scale, complex CFD models more quickly and cost-effectively with Ansys High-Performance Computer (HPC) parallel processing. Ansys HPC operates at 80% efficiency with just 5,000 cells per CPU core, providing superior and proven scalability.

Fluid Structure Interaction

Engineers must understand fluid force impact on surrounding equipment and its subsequent performance. Choose Ansys multiphysics solutions to solve challenges in fluid-structure interaction.

Thermal FSI

Not controlling heat can cause safety problems and poor performance, but laboratory analyses can be time consuming and expensive. Save time and money by easily modeling complex thermal management projects with Ansys multiphysics solutions.

Simulation Aircraft Icing

Icing is a critical aspect for the safety of aircraft design, but achieving regulatory certification takes time and involves icing tunnels, flight testing, and simulation models. Regulatory changes and awareness of high-altitude ice crystals and supercooled large droplets also impact time to market.

CFD Products


Ansys’ most powerful computational fluid dynamics tool, Fluent, includes well-validated physical modeling capabilities to deliver fast, accurate results across the widest range of CFD and multiphysics applications.


Ansys CFX is a high-performance computational fluid dynamics tool that delivers reliable and accurate solutions quickly for a wide range of applications, including leading capabilities for rotating machinery.


Ansys Polyflow provides advanced fluid dynamics technology for companies in the polymer, glass, metals, and cement processing industries.


Ansys Chemkin-Pro is the gold standard for modeling and simulating complex gas phase and surface chemistry reactions for fast, accurate development of combustion systems.

Model Fuels Library

The Model Fuel Library (MFL) includes detailed and validated reaction mechanisms for over 65 fuel components used to create the most accurate combustion simulations.


Ansys Forte robustly and accurately simulates IC engine combustion performance with nearly any fuel, helping engineers rapidly design cleaner burning, high-efficiency, fuel-flexible engines.


Ansys Vista TF complements rotating machinery simulation by enabling engineers to quickly develop blade geometries that achieve desired performance objectives.


Ansys BladeModeler complements rotating machinery simulation with a specialized, easy-to-use tool for the rapid 3D design of rotating machinery components.


Ansys TurboGrid software complements rotating machinery simulation by creating high-quality meshes designed for the demands of fluid dynamics analysis.


FENSAP-ICE is the premier in-flight icing simulation system, used worldwide by major aerospace companies. Its innovative, graphical environment provides intuitive file management and makes it easy to interact between simulation modules.


FENSAP-ICE-TURBO does what no other system can — its unique, integrated interface enables you to analyze aero grids and icing simultaneously. With it, you can analyze the external flow and icing over the aircraft, with engines installed and running.

CFD Premium

Today’s experienced engineers need well-validated CFD results to analyze products quickly and thoroughly. With full versions of Ansys Fluent, CFX, and SpaceClaim included, CFD Premium provides accurate, quick, and robust results.

CFD Enterprise

To benefit from all the computational fluid dynamic solvers that Ansys offers, choose the CFD Enterprise toolkit. CFD Enterprise offers full versions of Ansys Fluent, AIM Pro, and CFX to help you optimize product performance with well-validated physical modeling capabilities that deliver quick, accurate results. Engineers use Ansys CFX for the most accurate, robust, and rapid simulation for rotating machinery such as fans, pumps, compressors, and gas and hydraulic turbines. Companies in the glass, metals, polymer, and cement industries can choose Ansys Polyflow for advanced fluid dynamics technology.

Engineers can simulate IC engine combustion performance with Ansys Forte. Simulate with nearly any type of fuel to quickly design high-efficiency, clean-burning engines that are fuel flexible. To ensure speed and safety for in-flight icing certification, Ansys FENSAP-ICE provides accurate, rapid aircraft icing assessments.