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Computational fluid dynamics

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Design

Handicapping the ‘Race Toward Zero’

Kelly Senecal did not set out to champion the multi-modal approach to vehicle carbon reduction. He’s the CEO of Covergent Science, a company specializing in computational fluid dynamics. A...

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Articles
Data Acquisition

Advances in Virtual Powertrain Development

Powertrain engineers have various tools at their disposal to develop new technologies — empirical modeling, component simulation, multi-system environments and physical testing chief among...

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Briefs
Aerospace

R/V Athena Model (5365) Response in Waves

A better physical understanding of the dynamic response of high-speed craft in seas would allow for increased structural optimization.

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Articles
Test & Measurement

An Immersive Solution for Thermally Safer EV Batteries

An R&D project indirectly leads to potentially greater power density, EV range, and battery life.

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Articles
Electronics & Computers

Accelerated Degradation of Li-Ion Batteries for High-Rate Discharge Applications

As the vehicle platform size decreases, the pulse power discharge rates of the Energy Storage System (ESS) increase.

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News
Mechanical & Fluid Systems

An Immersive Solution for Thermally Safer EV Batteries

R&D work to solve an excessive noise problem created by an EV’s battery fast charger has led to advances in thermal management, heat dissipation – and reduced fire risks....

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News
Energy

Cadillac to Launch 2023 Lyriq EV Months Earlier Than Planned

Citing advances in its vehicle-development processes and tireless work from a global engineering team during the COVID-19 pandemic, executives and engineers for General...

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News
Data Acquisition

Truck Platooning an Evolving Pathway to Full Autonomy

“We are tantalizingly close,” a recent blog post by Pittsburgh-based Locomation asserted regarding true driverless vehicles navigating public roadways. “But the challenges that...

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Technical Innovation
Mechanical & Fluid Systems

Garrett Two-Stage Turbos Ramp up Off-Highway

Garrett Motion is providing its advanced turbocharging technologies for a recent launch of harvesters, combines, excavators and other agricultural equipment by a global manufacturer. Garrett...

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Briefs
Motion Control

Instrumentation for Fabrication and Testing of High-Speed Single-Rotor and Compound-Rotor Systems

To support the development of next-generation rotorcraft, precision data acquisition is required.

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Articles
Aerospace

3D Printing Aerodynamic Improvements

Learn about microvanes, one of the only types of 3D-printed parts that are FAA-approved for use on the exterior of an aircraft.

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News
Aerospace

The Electric, Autonomous Revolution Lifts Off

Nearly a quarter-century ago, the Vertical Flight Society, a helicopter-industry group founded in 1943 as the American Helicopter Society, published a graphic dubbed “V/STOL Aircraft and...

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Articles
Aerospace

Bringing Turbine Power to Small Aircraft

A regenerative, high-temperature heat exchanger doubles the efficiency of low-power turbines.

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News
Power

Subaru Uses ANSYS Tools to Accelerate Hybrid Vehicle Design

Subaru Corporation is using tools developed by Pittsburgh-based ANSYS, Inc. to create control systems that deliver unrivaled safety and reliability for their next-generation...

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Briefs
Data Acquisition

Characterization of Bore Temperatures and Stresses in Small Caliber Gun Barrels

Currently in the small arms community, with the push for lighter, stronger barrels with improved life, a more complete understanding of the bore's thermal and...

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News
AR/AI

Airbus’ Quantum Computing Challenge May Fundamentally Change Aircraft Development

A global quantum computing competition to advance optimization and modularity in aircraft life-cycle is open to post-graduate students, academics,...

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Technical Innovation
Test & Measurement

Advanced Simulation Techniques Drive Powertrain Design

Commercial vehicle designers are using a variety of simulation and validation tools as they attempt to find new ways to improve many aspects of vehicle design. Engineers are working...

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News
Power

Aircraft Maintenance Technicians Seek Simplified, Portable, Fast Aviation Eddy Current Testing

In aircraft maintenance and repair, eddy current devices have long been used to nondestructively test (NDT) wheels, struts, propellers,...

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Articles
Photonics/Optics

Designing a High-Speed Decoy Unmanned Aerial Vehicle (UAV)

Drone aircraft and their uses have been evolving quickly, supported by a great deal of ongoing research. One area of increasing interest is the decoy drone, designed to mimic the...

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Articles
Software

Surviving the Challenge of Thermal Design in Aerospace Electronics

The aerospace sector places some uniquely challenging demands on electronics designers. For a start, the environments that the electronics are exposed to are much harsher...

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Articles
Motion Control

Engine Air-Brakes

Airplanes, one of humanity's greatest inventions, evoke feelings of awe and amazement for most people, unless you live uncomfortably close to a major airport, in which case the feeling may become annoyance and irritation....

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News
Software

Cultivating the Next Generation of Engineers

To say that Ramesh K. Agarwal, Ph.D., is prolific is an understatement. Over a distinguished career spanning 40 years, he has worked in various areas of computational science and engineering,...

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Articles
Aerospace

Quality and Validation of Digital Designs for Aerospace and Defense

As aerospace and defense manufacturing becomes increasingly digitized—from the earliest design stages to the factory floor and beyond—data accuracy is fundamental to...

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Articles
Aerospace

Using Thermal Simulation to Model the Effects of Wind on the Mars Curiosity Rover

The Centro de Astrobiología (CAB), a joint center of Consejo Superior de Investigaciones Cientificas and the Instituto Nacional de Tecnica Aeroespacíal...

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Articles
Aerospace

Aeroacoustic Simulation Delivers Breakthroughs in Aircraft Noise Reduction

Aircraft manufacturers face increasingly stringent standards for reducing community noise. Conventional aircraft development methods based on engineering experience,...

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Briefs
Test & Measurement

Coupling of Coastal Wave Transformation and Computational Fluid Dynamics Models for Seakeeping Analysis

This research focused on depth-integrated modeling of coastal wave and surf-zone processes in support of computational fluid dynamics (CFD) simulation of ship motions. There were two components of the project. The first was the development of...

Articles
Aerospace

Rotorcraft Icing Computational Tool Development

The formation of ice over lifting surfaces can affect aerodynamic performance. In the case of helicopters, this loss in lift and the increase in sectional drag forces will have a dramatic...

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Articles
Aerospace

Optimizing Thermal Management to Meet SWaP-C Requirements

As defense systems continue to shrink, corresponding thermal management concerns expand exponentially. Designers have learned that overheating can be the downfall of even the most...

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Articles
Aerospace

Maximizing Thermal Cooling Efficiencies in High-Performance Processors

Despite the continuous development of new, higher performing processors, the thirst for increased embedded computing capability remains unquenched. In fact, it seems like...

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