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The Quest for Quiet
Oct 24, 2017
By Vincent Le Goff In the automotive industry, it’s not what you hear – it’s what you don’t hear – that matters the most to vehicle safety and comfort. Advancements in aeroacoustics have helped...
Keeping Their Cool: Simulation-Based Thermal Design for Construction Vehicles
Aug 16, 2017
Keeping Their Cool: Simulation-Based Thermal Design for Construction Vehicles by Dave Mukutmoni With their low velocity operation, frequent idle states, and increasing use of onboard...
Total Noise Simulation with Exa
Jul 07, 2017
By Robert Powell Off-highway equipment challenges manufacturers to find new ways to reduce product noise. In addition to improving performance, efficiency and value in new designs, manufacturers...
Plummeting computer costs boost simulation
Jul 29, 2016
The most far-sighted automotive companies are taking advantage of increasingly cheap computing power to leverage simulation work more heavily in their vehicle development. The technology behind...
Improving Our Air Quality: Engine Manufacturers Face Increased Regulatory Requirements
Jul 21, 2016
Air quality affects everyone. To continue the trend of already improving air quality in the EU, the limits for particulate matter and NOx will be reduced again by the Stage 5 regulations which start...
Time to turn down the volume: how heavy machinery companies can tackle noise pollution before their equipment is even built
Jul 07, 2016
According the U.S. Environmental Protection Agency, the key to attacking noise pollution is addressing it in the design stage. The Agency states it is much easier to design noise out of a machine...
Future trucks: highly charged and aerodynamic
Jun 12, 2016
A lot has been discussed in the media recently about the next generation of Class 8 tractor designs and how they will seek to improve aero-efficiency – and therefore reduce costs – for...
The real-world problem with emissions tests
Apr 12, 2016
Emissions testing just got a whole lot more complicated than it already was for manufacturers – but it really doesn’t need to be. The latest complication originates in Europe, where...
Synergy through simulation
Mar 29, 2016
Carmakers are continually trying to produce new and exciting designs which appeal to a wide range of customers. At the same time, they’re having to meet increasingly stringent rules and...
Fuel Economy : Keep it Real
Mar 28, 2016
The disparity between published test figures and real-world fuel economy has long been a topic of discussion, and in Europe, the average gap between the two has reportedly risen to 40%. The current...
Absorbing away the cost of noise
Mar 11, 2016
Noise is a duality. On one hand, it can be soothing, inspirational, even emotional, like Beethoven’s 5th Symphony, or the fine-tuned thunderstorm of a Jaguar F-Type R (see Jalopnik article...
The Importance of Integrated Design Simulation and Visualization Tools
Mar 10, 2016
Exa's Dr. Paul Stewart discusses how automotive engineering and design studios can communicate through simulation and visualization to realize the full aerodynamic, thermal and acoustic potential...
The battle for the dashboard
Mar 01, 2016
The battle for the dashboard is intensifying. Car makers are working feverishly to bring on-board the smartphone capabilities that buyers want while trying to limit access to digital giants such as...
Simulating Ever Changing Road Conditions with Exa PowerFLOW
Jan 29, 2016
Exa's Dr. Brad Duncan is interviewed regarding how engineers can model ever-changing road conditions to best predict real-world performance using Exa's software, PowerFLOW, for accurate...
Addressing the Cold Reality of Electric Vehicles
Jan 27, 2016
Vehicles powered by internal combustion engines are seldom short of excess heat. In fact, Exa’s PowerFLOW® simulation software is often used by the world’s leading car manufacturers...
Why physical testing of vehicles will never be sufficient
Jan 21, 2016
Exa’s Dr. Ales Alajbegovic discusses the limitations of vehicle physical testing. He describes how physical prototypes of vehicles are extremely expensive to produce and are often only...
How to Meet Fuel Economy Targets: OEMs and Suppliers Find Success Collaborating and Optimizing Designs Using Simulation
Jan 14, 2016
Exa’s Doug Hatfield discusses how commercial truck and automotive OEMs collaborate with their suppliers to optimize vehicle designs using simulation. With truck fleets seeking ever-...
New Software Can See Noise - Autoline Daily
Dec 08, 2015
Exa's new acoustics simulation solution, PowerACOUSTICS' FIND, offers vehicle manufacturers a unique way to easily isolate acoustic noise sources. Autoline Daily recently highlighted this novel...
Physical Testing Cannot Provide Engineers the "Why"
Oct 30, 2015
Simulation offers the hard numbers, provides exact insight into the cause or "why" certain results occur. Exa Corporation's Dr. Ales Alajbegovic explains how simulation-driven design...
Why aerodynamic optimization needn’t be a drag
Aug 18, 2015
Regulatory requirements for emissions reduction are increasing the importance of vehicle aerodynamics. A further reduction in drag is key: it’s thought that most OEMs are targeting a drag...
Engineers Exhaust Valuable Time and Resources on a Noisy Challenge
Jun 03, 2015
Why is my exhaust system noisy? Why isn’t it noisy enough? It doesn’t matter which manufacturer they work for: engineers are always looking to optimize exhaust noises… and...
How Autonomous Vehicle Technology is Impacted by Aerodynamics
May 18, 2015
The emergence of autonomous cars will present many interesting technical challenges, not the least vehicle aerodynamics. Due to the nature of the problem, many of the aerodynamics challenges will...
The Cloud Democratizes Simulation- Driven Design
Feb 13, 2015
Companies using cloud technology are accessing software that they previously did not have the bandwidth to support. Teams that are collaborating on common data in the cloud are gaining...