tag: computational fluid dynamics

Simulate Rotor Hub Vortex Shedding In Helicopters
By Veena Parthan - 05 May, 2022 - Comments: 0

Although helicopter aerodynamics involves the same forces that arise in airplane aerodynamics, these forces occur differently due to fluid flow dynamics across the aircraft. Helicopters take advantage of the free stream flow along a rotor blade to produce lift and thrust. In rotating systems, the rotor hub clasps the blades and connects them to the main shaft of the system. The rotor in a h... » read more

The Era Of Fluid Simulations In Hollywood
By Veena Parthan - 14 Apr, 2022 - Comments: 0

With the magnificent real images of water pouring from the sky and the after-fire fumes from a car, there is no escaping from the laws of physics in movies either! Fluid simulation in the '50s and '60s was modeled mathematically before the computer graphics industry made its appearance. In the early ’90s, computer graphics (CG) in movies such as Waterworld and Titanic were restricted to wi... » read more

Replicating da Vinci’s Aerial Vehicle Design
By Veena Parthan - 07 Apr, 2022 - Comments: 0

Unmanned aerial vehicles (UAVs), the prodigy of remotely piloted vehicles, largely used for military purposes, are slowly gaining momentum in our civil lives. Some of the applications of UAVs go beyond surveillance or photography: we already have drones that are employed by farmers to monitor crops and are used in the solar industry for thermographic studies. By 2026, UAVs for both consumer and... » read more

CFD Playing Increasing Role In Design
By Ann Mutschler - 10 Feb, 2022 - Comments: 0

With thermal issues and constraints increasing becoming integral concerns of electronics design, computational fluid dynamics technology is gaining traction as a way to model, analyze, predict, and ideally prevent thermal problems from materializing. From cooling a board to cooling a chip with a fan and heat sinks, all of this relies on air flow for the cooling, or the flow of liquid in some... » read more

Progress And Challenges On The CFD Vision 2030 Roadmap
By John Chawner - 05 Aug, 2021 - Comments: 0

After a long writing (and longer editing and approval seeking) process, the AIAA's CFD Vision 2030 Integration Committee has published its first update to the Vision's roadmap. This 71 page, thoroughly cited report assesses progress toward the Vision during 2020 and also provides a 5-year look-back. It covers the six domains along which the vision assesses progress in CFD: high performance comp... » read more

Mapping Heat Across A System
By Ann Mutschler - 13 May, 2021 - Comments: 0

Thermal issues are becoming more difficult to resolve as chip features get smaller and systems get faster and more complex. They now require the integration of technologies from both the design and manufacturing flows, making design for power and heat a much broader problem. This is evident with the evolution of a smart phone. Phones sold 10 years ago were very different devices. Functionali... » read more

Thermal Challenges In Advanced Packaging
By Ed Sperling - 02 Dec, 2019 - Comments: 2

CT Kao, product management director at Cadence, talks with Semiconductor Engineering about why packaging is so complicated, why power and heat vary with different use cases and over time, and why a realistic power map is essential particularly for AI chips, where some circuits are always on.   Interested in more Semiconductor Engineering videos? Sign-up for our YouTube channel here » read more

Speeding Up Electrical Vehicle Development With Designer-Centric Thermal And Electromagnetic Simulation And Analysis
By Puneet Sinha - 04 Apr, 2019 - Comments: 0

By 2040, 54% of new car sales and 33% of the global car fleet is predicted to be electric [1]. More than six countries have announced a ban on internal-combustion engines. China is expected to be the largest market for electrical vehicles (EVs), which is driving automakers to make aggressive rollout plans for EVs. Some of the important trends driving EV development are getting more than 200 ... » read more

1D-3D CFD And 3D-1D CFD: Simulation Based Characterization
By Mentor, a Siemens Business - 26 Jul, 2017 - Comments: 0

To understand 1D-3D CFD and 3D-1D CFD, we have reviewed the history of attempts at both loose and close coupling of 1D and 3D CFD codes, the motivations of engineers who did it, and the benefits to be gained from these complementary engineering simulation technologies. Not least, because the umbrella term ‘1D/3D’ covers a number of different possible implementations with their own pros and ... » read more

The Democratization Of CFD
By Mentor, a Siemens Business - 26 Apr, 2017 - Comments: 0

“Democratization” is a buzzword that has been circulating around the Computational Fluid Dynamics (CFD) community for some time. In this White Paper, Keith Hanna and Ivo Weinhold of Mentor Graphicsdefine the issue, establish the facts, look at the pros and cons of various technology solutions being offered in the market today, and then suggest some pointers for the future as the CFD industr... » read more

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