Overview
Accelerate Engineering Innovation with Fidelity CFD Software
Computational fluid dynamics (CFD) is an aspect of multiphysics system analysis that simulates the behavior of fluids and their thermodynamic properties using numerical models. Engineers use the Cadence Fidelity CFD Platform design processes, such as propulsion, aerodynamics, hydrodynamics, and combustion, to improve and increase the efficiency of products by reducing time-consuming and expensive physical testing.
Fidelity CFD Platform provides an easy-to-use end-to-end CFD solution for multidisciplinary design and optimization, in applications such as aerospace, automotive, turbomachinery, and marine industries. The platform, with its streamlined workflows, massively parallel architecture, and state-of-the-art solver technology, provides unprecedented performance and accuracy and increases engineering efficiency for today’s design challenges.
Experience game-changing solutions like Fidelity LES Solver, formerly Cascade CharLES, slashing turnaround times from days to hours with its high-fidelity CFD solver, and Cadence Fidelity Fine Design3D, which leverages machine learning for unparalleled design optimization. Elevate your entire system design and analysis with the Cadence Millennium M1 CFD Supercomputer—turning traditional limitations into opportunities for innovation. With Fidelity CFD, you're not just keeping up with industry demands—you're setting the pace.
Fidelity CFD Platform
Comprehensive, easy-to-use computational fluid dynamics (CFD) analysis platform
Key Benefits
High-Accuracy Results for Accelerated Time to Market
Fast and Reliable
Reduce lead time from days to hours with fast and reliable pre-processing and high-quality mesh generation for most complex geometries
Highest Accuracy
Predict flow structures and wake dynamics and capture changes in lift and drag in agreement with experiments
GPU Acceleration
GPU acceleration is transforming high-fidelity CFD, providing 9X throughput and 17X less energy for the same cost as a CPU
In Design Intelligence
Accelerate time to market and lower design risk through AI-driven multiphysics analysis and optimization
Applications
Tailored CFD Solutions for Key Industries





Mastering CFD with Fidelity: Efficiency Has Met Precision
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Capabilities
Fidelity CFD: The Future-Ready Platform for Fluid Dynamics
Solve your toughest CFD challenges with an end-to-end platform designed for simulating and analyzing fluid flow problems. It is widely used in various industries such as aerospace, automotive, marine, energy generation and turbomachinery.
CFD Workflow Acceleration

Cadence leverages its 30+ years of expertise in computational software to impact and accelerate all steps of the design process, including creating strong automation for preprocessing and meshing, solving with technology advancements and GPU acceleration, and learning through AI-driven optimization. Streamlined workflows, strong automation, state-of-the-art solver acceleration, and intelligent analysis unlock the full potential of Fidelity CFD Platform and provide more than 10X acceleration across all steps of the simulation process for faster time to results.
Industry-Leading Pre-Processing and Meshing

Up to 80% of engineering time is still spent on manual geometry preprocessing and meshing. Fidelity CFD Platform enables engineers to overcome this bottleneck with an automated methodology that cuts preprocessing and meshing time from days to hours. In addition, designers can create high-fidelity meshes with 100% viscous layer coverage for highly accurate results.
High-Fidelity CFD

The Fidelity LES Solver is the industry’s first high-fidelity CFD solver that expands the practical application of large eddy simulations (LES) to a broad range of engineering applications in aerospace, automotive, and turbomachinery. Solver advancements, both on the numerical scheme and GPU acceleration, enable massive LES simulations, such as the accurate simulation of a realistic aircraft in landing configuration in under 12 hours, with modest resource requirements.
GPU Acceleration
GPU acceleration is transforming high-fidelity CFD and massively impacting aerospace, automotive, and many other industries. Leveraging these modern computer architectures provides 9X throughput for the same cost with 17X less energy consumption of CPUs.
Multidisciplinary Design Optimization

A unique approach to CFD optimization accelerates the discovery of optimal designs by using sophisticated machine learning (ML) algorithms to automate design space exploration.
CFD Supercomputing

The Millennium M1 CFD Supercomputer is the industry’s first turnkey CFD solution, combining best-in-class graphic processing unit (GPU) resident CFD solvers such as the Fidelity LES Solver for large eddy simulations (LES) and scalable high-performance computing (HPC) hardware to unleash unprecedented performance. Rapid generation of high-quality synthetic data enables AI capabilities to quickly identify optimal system design solutions without compromising accuracy.
Products
Streamline Your CFD Workflow for Design, Multidisciplinary Analysis and Optimization in a Single Environment
Fidelity CFD
Solve any computational challenge with Fidelity CFD—a comprehensive platform and end-to-end work flow that streamlines design, multidisciplinary analysis, and optimization into one, environment. From Conjugate Heat Transfer and Fluid-Structure Interactions to multiphase interactions and Aeroacoustics, the software necessary for realistic modeling of fluid flows grows increasingly competent and complex. Using the Fidelity CFD environment, you can trust any computational challenge to be handled with both accuracy and speed. Custom fit this CFD simulation software to solve the difficulties you are experiencing in your design and verification cycle.
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Fidelity LES Solver
The Fidelity LES solver is the industry’s first high-fidelity computational fluid dynamics (CFD) solver that expands the practical application of large eddy simulations (LES) to a broad range of engineering applications. Designed to tackle the toughest fluid dynamics challenges, it accurately predicts traditionally complex problems for CFD in aeroacoustics, aerodynamics, combustion, heat transfer, and multiphase. Fidelity LES software introduces a paradigm shift to the industry with the ability to leverage both computer processing units (CPUs) and graphical processing units (GPUs), reducing the turnaround time for LES simulations from days to hours. The solver has been optimized to consume as little memory as possible and scales linearly to hundreds of GPUs across dozens of nodes.
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Fidelity Fine Design3D
With Cadence Fidelity Fine Design3D’s groundbreaking CFD optimization application leverages machine learning to accelerate the discovery of optimal designs by seamlessly combining multi-objective optimization with uncertainty quantification. With robust capabilities in multidisciplinary design optimization, smart parameterization for turbomachinery, advanced data mining, and uncertainty quantification, Fidelity Fine Design3D offers a comprehensive solution to streamline your design optimization process.
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Fidelity Flow for Fluids and Thermal
With Cadence Fidelity Flow as your go-to solution for a diverse range of flow challenges in aerodynamics, conjugate heat transfer, fluid-structure interaction, or complex multiphysics simulations, it delivers unmatched speed and accuracy. Its density-based and pressure-based solvers are optimized for high-speed and thermal flows, ensuring accurate results quickly. With advanced features like OpenLabs for customization, nonlinear harmonic methods for periodic unsteady simulations, and specialized modeling strategies for combustion and cavitation, Fidelity Flow is designed to tackle the most demanding engineering problems with ease.
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Fidelity Flow for Turbomachinery
With over 25 years of rotating machinery expertise, the Fidelity Flow for Turbomachinery toolset provides an end-to-end solution from 1D to 3D design, meshing, CFD, and optimization. Elevate your turbomachinery design and meet the unique demands of turbomachinery engineering because whether you're dealing with compressors, turbines, or propellers, Fidelity Flow delivers unparalleled ease of use and accuracy, allowing teams to tackle turbomachinery design challenges.
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Fidelity Fine Marine
All aboard the Cadence Fine Marine Solver, the cutting-edge CFD software tailored for naval architects and marine engineers that is capable of resistance calculations, propulsion modeling, or wind studies, delivering accuracy and efficiency right at your fingertips. Think of it as your virtual towing tank, streamlining the design process by replacing experimental facilities and numerical sea trials with a user-friendly interface that allows you to simulate mono-fluid and multi-fluid flows around any vessel, from tankers to luxury yachts, even hydrofoils and open-water propellers.
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Fidelity Automesh
Fidelity Automesh’s game-changing technology transforms complex geometries from CAD or STL into quality meshes for CFD analysis in near real-time. Fidelity Automesh combines all our meshing software into a single workflow. Even the most complex geometries, which used to take a week of intensive manual labor to prepare, now take less than a day to be fully preprocessed, including high-quality meshes, and without simplifying the model. Whether you're dealing with intricate internal or external shapes, Automesh has you covered. Its flexible and robust features offer a seamless combination of structured and unstructured meshing, ensuring high accuracy at unprecedented speeds.
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Fidelity Pointwise for CFD Meshing
Unlock the power of high-fidelity fluid domain characterization with Cadence Fidelity Pointwise CFD Mesh Generation. Recognizing that meshing is a crucial yet time-consuming part of the CFD workflow, Fidelity Pointwise offers industry-leading mesh generation techniques and seamlessly integrates with any CFD simulation workflow, ensuring your meshes are of top quality and compatible with various solvers and simulation tools.
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Millennium Enterprise Multiphysics Platform
Welcome to the future of CFD with the Millennium M1 CFD Supercomputer, the industry’s first turnkey CFD solution. By leveraging the power of GPU acceleration and scalable HPC hardware, Millennium M1 transforms traditional CFD limitations. It boasts the industry's first turnkey CFD solution, reducing turnaround time from days to hours across aerospace, automotive, power generation, and turbomachinery applications.
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Features
Fidelity CFD: Revolutionizing Fluid Dynamics Design
Feature name | Description |
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Comprehensive Platform | Streamlines design, multidisciplinary analysis, and optimization |
Real Behavioral Modeling | Enhances product security and fidelity with improved modeling |
Extensive Coverage | Handles applications from conjugate heat transfer to aeroacoustic |
Customizable Tools | Intuitive tools with customization options for tackling computational challenges |
Automated Workflows | Reduces workflow into a tailored, automated version for efficiency |
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Support
Need Help?
Cadence Support puts the help you need within easy reach – around the clock, seven days a week. Locate the latest software updates, case and Cadence change request information, technical documentation, articles, and more.
We offer two tiers of support, Basic for those focused on self-service, and Premium for those who want access to of Cadence Expert-level assistance from our team of support Application Engineers.
Features | Basic Support | Premium Support |
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Access to Cadence Online Support (COS) Portal | ||
Online Training Content Access | ||
Forum Access | ||
Bug Reporting | ||
Incremental Updates (Bug Fixes) | ||
AE assistance/Case Filing | ||
Access to File a Case | ||
Major Releases |