tag: computational fluid dynamics

How Simulation Addresses Hydrogen Fuel Challenges
By Kiyoung Jung - 18 Jul, 2024 - Comments: 0

By Kiyoung Jung and Kyutae Kim Hydrogen has gained the front seat as a fuel for carbon neutrality. The absence of carbon emission at the point of utilization makes it attractive for net-zero initiatives. Hydrogen fuel possesses qualities like higher flame speed (8x higher), lower ignition energy requirements (15x lower), and wider flammability limit (4% to 70%) compared to typical hydrocar... » read more

Accelerating Speed And Accuracy In Aeroacoustic Predictions
By Veena Parthan - 06 Jun, 2024 - Comments: 0

Simulating aeroacoustics is a tedious task that blends the complexities of fluid dynamics with the nuances of acoustic phenomena. This dual-domain challenge is marked by numerous technical obstacles, ranging from the wide range of scales involved to the subtler distinctions of acoustic signals amidst turbulent flows. To navigate these technical difficulties and advance our understanding of aero... » read more

DNS, LES, Or RANS Simulation For Your Next Automotive Design
By Veena Parthan - 04 Apr, 2024 - Comments: 0

The automotive industry is constantly advancing, with new innovations and developments emerging almost every day. The industry is committed to creating a more sustainable future with the growing trend towards electric-powered vehicles and mass production. In 2022, the global production of motor vehicles increased by 5.7%, producing 85.4 million vehicles. However, the industry faces the challe... » read more

Digital Twins And AI Acceleration Are Transforming System Design
By Steve Brown - 07 Mar, 2024 - Comments: 0

We are at a global inflection point as we cope with the limitations of energy supply and the consequences of climate change. Regional conflicts are elevating risks in the traditional crude oil supply chain. Changes in rainfall patterns and disputes over water use priorities are limiting hydroelectric power generation. Moreover, extreme weather events have intensified the threat to lives and pro... » read more

Expecting The Unexpected: Analyzing A Data Center Cooling Failure
By Mark Seymour - 15 Feb, 2024 - Comments: 0

Data center thermal management is often a reactive process. Servers issue warning messages, monitoring alarms activate, or employees express concern about general temperature levels/hotspots and then management decides what to do next. For incremental issues, once known, the necessary steps can be taken to resolve or improve these issues; however, what happens when a potential thermal issue onl... » read more

Fuel Economy And Aerodynamics: The Yin And Yang Of Car Design
By Veena Parthan - 01 Feb, 2024 - Comments: 0

From the classic Model T to the iconic American muscle cars, the design of cars has been shaped by many factors over the years. Technological advancements, consumer preferences, and government regulations have all played their part. But one factor that has been a game changer is fuel efficiency. The Corporate Average Fuel Economy (CAFE) standards, introduced in the aftermath of the 1973 oil em... » read more

Understand The Physics Of Re-Entry Vehicles Using Numerical Modeling And Simulation
By Veena Parthan - 12 Oct, 2023 - Comments: 0

In the early years of space exploration, scientists and engineers dreamed of sending vehicles to Mars that could land on the planet's surface and explore its terrain. However, one of their biggest challenges was safely reentering the Martian atmosphere. Many early attempts at Mars missions failed because the vehicles either burned up during re-entry or crashed onto the surface. However, as tech... » read more

Cleaning Marine Geometries Has Never Been Easier
By Veena Parthan - 10 Aug, 2023 - Comments: 0

Ship designers and naval architects increasingly use computational fluid dynamics (CFD) tools for more accurate solutions, detailed physics, and quicker results. Marine ship design studies in the past relied mainly on scaled-down models in towing tanks for insights into ship resistance, seakeeping, propulsion, and maneuvering. However, these models had discrepancies in their Reynolds and Fro... » read more

Boost Your CFD Workflow Productivity With An API: Part 1
By Veena Parthan - 03 Aug, 2023 - Comments: 0

If you're in the field of computational fluid dynamics testing or studies, you already know how much time and effort it takes to complete the tasks involved. Hours upon hours are spent on geometry clean-up, meshing, and post-processing. Furthermore, when you're dealing with similar models that have new constraints or dimensions, the work can feel tedious. But don't worry! There’s a way to sim... » read more

Improved Arm Server Price-Performance For HPC
By David Lecomber - 20 Jul, 2023 - Comments: 0

The availability of Amazon EC2 Hpc7g instances with the AWS Graviton3E and Elastic Fabric Adapter (EFA) is opening new opportunities in key areas: Manufacturing Aerospace Automotive engineering Weather prediction The new AWS EC2 instance types have AWS Graviton3E’s 64 Arm Neoverse V1 cores and 8 channels of DDR5 memory. This is alongside the AWS Nitro v5 card with EFA deliver... » read more

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