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What Is CFD?

Set Up and Run Multiphysics CFD Simulations Faster with Simcenter STAR-CCM+’s Latest Release

STAR-CCM+ can now serve your innovation team better than ever with its new 2022.1 release.

CFD News from CadenceLIVE

In this Blog, John Chawner of Cadence shares his observations about CadenceLIVE Silicon Valley 2022. This is the first return to an in-person format in a couple of years for the event and the first time ever for in-person CFD involvement.

Diabatix and Formula Student team Delft: an international, cross-border alliance

Diabatix puts its mix of AI processes and human creativity in service of the ambitious FS Team Delft: The Formula Student team at the University of Delft, the Netherlands.

Solution Providers:

Simulating a Rigid Body in OnScale Solve

This blog investigates how rigid bodies are defined in OnScale Solve and how they can be used effectively.

How to create a CFD Study in 15 minutes

nstead of repetitive prototyping, CFD can significantly reduce design costs and save a lot of time. OnScale Solve provides a top tier CFD Solver that is simple to use and highly parallelizable, allowing you to run fast simulations to any CAD.

Asensus Surgical simulates with OnScale Solve

When it comes to laparoscopy in the operating room, there’s no room for inefficiencies, variability, and workforce challenges. Laparoscopy refers to the surgical procedure of accessing the abdomen and pelvis with minimally invasive incisions in the skin. These methods lead to a shorter hospital stay, faster recovery time, and less pain, bleeding, and scarring, and Asensus makes this process more efficient.

Solution Providers:

3 design features that result in optimal liquid cooling

How can you recognize efficient cooling? In this lecture, Joris expounds on a heat sink for an IGBT, an electronic component. He highlights 3 features of Diabatix’s heat sink designs which result in high performance cooling.

HVAC Components: Increased Performance with CFD Simulation

To design and create heating, ventilation, and air conditioning (HVAC) components with higher performance, analyzing them for aerodynamic and pressure-flow characteristics is critical. Most types of ventilation systems need to be designed to have maximum airflow through them while reducing the pressure losses across the unit.

Hazleton Pumps Accelerated Turn-Around Time by a Factor of 100

The rotating machinery industry has widely adopted digital prototyping to explore a larger design space than is otherwise possible. But for too long, companies have been restricted in deriving the maximum benefits from digital prototyping due to the limitations of desktop-based legacy software, and Hazleton was no exception.

Solution Providers:

Webinar: Innovate swiftly and architect resilient cooling with HVAC CFD Software

Learn to optimize airflows with fast, easy-to-use and industry-proven HVAC CFD software that embeds directly in your native CAD environment.

Power Integrity Analysis

Cadence product management and engineering teams present a webinar about transient thermal analysis tools, adding an enclosure onto the design to see the thermal impact in 3D, using computational fluid dynamics (CFD) to visualize air flow and the latest improvements in the Sigrity™ and Celsius™ technology

Monodraught Develops Sustainable HVAC Products With CFD-Led Design Process

Monodraught specializes in sustainable and low energy/carbon products to meet the growing demand of the net-zero policies in the UK and abroad. As such, they critically value R&D to continuously bring new products to a rapidly changing and growing market.

Solution Providers:

Cadence is Funding Research on Adaptive Meshes for High-Speed Flows

This past summer, Cadence began funding research at the Massachusetts Institute of Technology (MIT) and the University of Tennessee at Knoxville (UTK) on a topic of significant current interest to the aerospace CFD community: mesh adaptation for high-speed flows.

Automated Meshing and Adaptive Re-Meshing at Bombardier

Discover how engineers at Bombardier developed the Meshing & Adaptive Re-meshing Server (MARS) with Cadence Pointwise’s Glyph scripting to create over 250,000 high-quality CFD meshes since 2017. MARS automates the meshing process, reduces meshing time, and ensures consistent user-agnostic meshes across geometry variations. In this presentation, learn how to: • Create high-quality meshes to resolve flows with reasonable cost • Use Glyph scripting to automate meshing for consistency, quality, and fast turn-around times • Encapsulate company best practices with templates for any geometry

Better electronic enclosures by CFD simulation

SIENNA ECAD leverage Cradle CFD with conjugate heat transfer to enhance the cooling performance of a 12mm thick enclosure for a PCB using Cavity and TIM design

Solution Providers:

CFD Simulation for Cooling Data Center Hardware

Cooling data center buildings is critical, as they consume large amounts of energy and are considered a carbon-intensive industry. This is set to continue as the global trends of digitalization and cloud computing further accelerate.

Webinar Series: Accelerate Wind Energy Revolution with CAE

In this webinar series you will learn how Hexagon Manufacturing Intelligence solutions can help the wind energy industry overcome performance, reliability and lifecycle barriers with our comprehensive set of solutions spanning design & engineering simulation, manufacturing production & inspection, all the way to lifetime scanning & damage tracking.

Colocation

The 6Sigma Digital Twin uses the 6SigmaDCX product suite to create a 3D virtual replica of your physical facility. With a powerful Computational Fluid Dynamics (CFD) engine, it calculates cooling and airflow like no other software available. The 6Sigma Digital Twin provides a centralized platform for teams to track and plan power, space, cooling, weight, IT assets and network port capacity.

Solution Providers:

Comparing Finite Volume & Particle CFD Simulation Methods for Understanding Lubrication in Automotive Transmissions & Axles

Paper: A two-year study by Jin Xu and William W. Liou, PhD, Department of Mechanical & Aerospace Engineering / Computational Engineering Physics Lab, Western Michigan University and Yang Yang, Cook Research Incorporated

Computational Fluid Dynamics (CFD)

Computational fluid dynamics (CFD) is an aspect of multiphysics system analysis that undertakes simulating the behavior of fluids and their thermodynamic properties using numerical models.

Push-Button Design Optimization of a Race Car Front Wing

By using ModelCenter from Phoenix Integration as an integration platform, Pointwise to generate the meshes, and AcuSolve to run the CFD calculations, push-button design optimization was achieved.

Solution Providers:

This Week in CFD

Read John Chawner's "Another Fine Mesh" blog on all things CFD. This from the week of July 30, 2021.

Serving a perfect Guinness – the CFD way

Thanks to Simon Fischer, here’s the first ever Guinness served in perfection – by a CFD simulation tool. Hey, its five o-clock somewhere right?

Automated Meshing and Adaptive Re-meshing at Bombardier

In the webinar, Amine Ben Haj Ali, Senior Engineering Specialist in Advanced Aerodynamics at Bombardier details the Meshing & Adaptive Re-meshing Server (MARS) he has developed, which has been used by engineers at Bombardier to generate over 250,000 high-quality meshes since 2017.

Solution Providers:

It’s all in the numbering – mesh renumbering may improve simulation speed

Renumbering (ordering) of the cells in the Finite Volume Method (FVM) can affect the performance of the linear solver and thus the speed of the simulation.

Simulation of Fan Acoustics using LES on Overset Grids

Professor Kozo Fujii recently shared preliminary results of a large-eddy simulation of an axial fan that were computed on overset structured grids. Decomposition techniques were then used to compute the fan’s acoustic signature. A journal article and conference presentation are currently in-work and will contain more detail on the simulations and a broader range of results.

Flexible Meshing Enables Accurate CFD for Nuclear Reactor Rod Bundles

Accurate fluid flow modeling of nuclear reactor rod bundles is essential and extremely challenging with exacting standards for the mesh to deal with the geometric complexity and near-wall physics.

Solution Providers:

Turbulence Model Influence on Flow in the FDA Benchmark Blood Pump

Computational fluid dynamics (CFD) can be used to influence decisions early in the design process. In order to assess the state-of-the-art of CFD and its predictive capability for medical devices, the U.S. Food and Drug Administration (FDA) developed two benchmark models for validation.

CFD & Multiphysics Simulation

CFD simulates the flow of liquids and gases by performing millions of numerical calculations. CFD analysis is typically carried out earlier in the design process even before the first prototype is made. With high-speed supercomputers, better designs can be achieved quicker, faster, and cheaper. Multiphysics is advanced CFD involving multiple physics coupled to mimic the real behavior as accurately as possible.

Reducing Boiler Emissions Through Shape Optimization

In this work, a flexible framework for discrete adjoint-based reactive flow optimization in SU2 is presented. The implementation is based on a low-Mach number solver and a flamelet progress variable model for strongly cooled laminar premixed flames.

Solution Providers:

Automatic (not Automated) Meshing

In this Blog post, Pointwise President, John Chawner shares the company's work to automatically generate an unstructured or hybrid mesh on and around virtually any geometry model.

Glyph scripts reduce meshing time by up to 90% and manual input from hours to minutes

Watch and download the presentation given by Steve Karman, Pointwise, Inc. at the Pointwise User Group Meeting about how Pointwise used custom Glyph scripts to automatically generate high-quality unstructured meshes for Engineering Sketch Pad (ESP) geometries, saving time and freeing users from repetitive and tedious tasks.

Car park Ventilation CFD with Pointwise, Caelus, CFX and FDS

Design and construction of covered car parks in Australia requires CFD modeling of carbon monoxide from car exhausts to extraction fans to ensure the carbon monoxide level does not rise too high for the safety of occupants.

Solution Providers:

Turbulence Model Influence on Flow in the FDA Benchmark Blood Pump

Computational fluid dynamics (CFD) can be used to influence decisions early in the design process. In order to assess the state-of-the-art of CFD and its predictive capability for medical devices, the U.S. Food and Drug Administration (FDA) developed two benchmark models for validation.

CFD & Multiphysics Simulation

CFD simulates the flow of liquids and gases by performing millions of numerical calculations. CFD analysis is typically carried out earlier in the design process even before the first prototype is made. With high-speed supercomputers, better designs can be achieved quicker, faster, and cheaper. Multiphysics is advanced CFD involving multiple physics coupled to mimic the real behavior as accurately as possible.

Automatic (not Automated) Meshing

In this Blog post, Pointwise President, John Chawner shares the company's work to automatically generate an unstructured or hybrid mesh on and around virtually any geometry model.

Glyph scripts reduce meshing time by up to 90% and manual input from hours to minutes

Watch and download the presentation given by Steve Karman, Pointwise, Inc. at the Pointwise User Group Meeting about how Pointwise used custom Glyph scripts to automatically generate high-quality unstructured meshes for Engineering Sketch Pad (ESP) geometries, saving time and freeing users from repetitive and tedious tasks.

Automatic Unstructured Mesh Generation with Geometry Attribution

Technical Paper presented at AIAA SciTech 2019 describes a process that automatically creates unstructured meshes from water-tight geometry input using Glyph scripting. Utilizing this process, one can reduce meshing time by up to 90% and manual input from hours to minutes.

The Democratization of CFD: Taking Off

Computational fluid dynamics, or CFD, is moving toward democratization. Once the province of a subset of specialists, CFD is now reaching an ever-greater population of engineers.

The Democratization of CFD

“Democratization” is a buzzword that has been circulating around the Computational Fluid Dynamics (CFD) community for some time. Learn more through this paper.

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