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Finite element analysis

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Electronics & Computers

Keeping Your Silicon Cool

Onboard electronics continue to evolve rapidly. Components are smaller. Systems are more complex. The sophisticated electronics components that make up modern vehicles require precision heat dissipation for...

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Power

Vibration Testing NASA’s X-57 Maxwell Electric Aircraft

In place of the usual gasoline-powered motors, the X-57 has two all-electric motors powered by traction batteries.

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Defense

Designing Transportable, High-Performance AI Systems for the Rugged Edge

System design requirements are well understood for high-performance artificial intelligence applications destined to reside in enterprise or cloud data centers....

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Aerospace

Advanced CT Inspection and Data Analysis

Learn about the ways to ensure that your composite designs are structurally sound.

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Unmanned Systems

USCAR Broadens Its Research Footprint

The project teams working under the USCAR (United States Council for Automotive Research) umbrella help carve a knowledge pathway to accelerate technology development. “We typically have...

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Design

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
Software

Siemens Software Gets Weekly NASCAR Workout with Hendrick Motorsports

For round 23 of the 2018 NASCAR Cup series championship at Michigan International Speedway (MIS) in August, Siemens invited members of the media to attend the race in...

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Materials

Designing With Plastics for Military Equipment

U.S. soldiers carry loads of equipment and protective gear that can weigh anywhere from 45 to 130 pounds. This is more than enough to quickly tire even the most well-conditioned personnel,...

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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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Briefs
Aerospace

Measuring Propellant Stress Relaxation Modulus Using Dynamic Mechanical Analyzer

Structural analysis of solid rocket motors is challenging for several reasons, but the most important of these is the complex behavior of the propellant. The...

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Articles
Aerospace

Certifying Composite Designs for Aerospace and Defense

Wherever you find newer and particularly larger aircraft these days, you're seeing the use of composite materials. The latest commercial planes, as well as innovative defense prototypes,...

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Briefs
Aerospace

Multi-Scale Analysis of Deformation and Failure in Polycrystalline Titanium Alloys Under High Strain Rates

Extensive use of titanium alloys in critical industrial and military applications, such as compressor blades of jet engines and armor...

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Sensors/Data Acquisition

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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Briefs
Unmanned Systems

Development and Evaluation of the Stingray Amphibious Maritime Unmanned Ground Vehicle

Every year, the U.S. Navy and Marine Corps conduct thousands of Maritime Interdiction Operations (MIOs) to enforce embargoes, intercept contraband,...

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Briefs
Information Technology

Reduced Order Modeling for Rapid Simulation of Blast Events of a Military Ground Vehicle and its Occupants

Improvised Explosive Devices (IEDs) pose a significant threat to military ground vehicles and soldiers in the field. Full-system...

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Briefs
Information Technology

Software for Material/Structural Characterization Across Length Scales

Synthetic and natural micro-architectures occur frequently, and multiphase functionally graded composites are becoming increasingly popular for applications requiring...

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RF & Microwave Electronics

Electromagnetic Simulation Accelerates Design of Microwave Amplifiers

An automated simulation-based design cycle has become a fundamental part of the success of one of today’s leading designers of traveling wave tube (TWT) microwave...

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Briefs
Physical Sciences

Wheel Force Transducer for Field Testing

This project endeavors to develop, validate, and calibrate cost-effective field test equipment for measuring tire characteristics on vehicles while driving off-road. The four wheel force transducers...

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Briefs
Imaging

Wide-Field Imaging System and Rapid Direction of Optical Zoom

A breadboard system has been developed for demonstrating nonmechanical zoom using flexible thin films. The project consists of three major task areas: material characterization,...

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Application Briefs
Defense

Realistic Simulation Makes Army Helmets Safer

As materials, ergonomic design, and ballistics protection have evolved, the U.S. Army helmet has improved in form and function, from the M1 of WWII, to the 29-layer Kevlar PASGT (Personnel Armor...

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Briefs
Test & Measurement

Process for Testing Aeromedical Equipment

Medical devices are designed to function in environmentally controlled locations, such as stationary hospitals, and not within the harsh, dynamic aircraft environment. Yet, the same medical devices...

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Briefs
Physical Sciences

Performance of Steel Stud Walls Subjected to Blast Loads

Construction trends have brought about an increase in the use of cold-formed steel studs in Air Force facilities. These steel stud walls have significant potential for mitigating large...

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Briefs
Mechanical & Fluid Systems

Characterization of a MEMS Directional Sound Sensor

There is a wide range of potential military applications in which ambiguity in bearing occurs with respect to sound. For example, autonomous unmanned aerial vehicles (UAVs) could employ a...

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Electronics & Computers

Thermal Trends and Improvements for Rugged COTS Cards

Thermal management of rugged COTS (commercial off-the-shelf) cards destined for defense applications has always been a challenge due to the high operating temperatures and other harsh...

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Briefs
Electronics & Computers

Textile Capacitor

The Air Force (AF) is evolving from a Cold War-era force with a large, containment- focused infrastructure to a smaller, more responsive and affordable Air and Space Expeditionary Force. In support of this transformation,...

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