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Communications

Communicating from Space: The Front End of Multiscale Modeling

As satellites and astronauts travel further out in space, the more communication challenges they face. NASA launched the InSight Mission on May 5, 2018 from Vandenberg Air Force...

Briefs
Electronics & Computers

A Mechanistic Analysis of Oxygen Vacancy Driven Conductive Filament Formation in Resistive Random Access Memory Metal/NiO/Metal Structures

Resistive Random Access Memory (RRAM) devices have drawn much interest in the last decade,...

INSIDER
Photonics/Optics

Using Ground Sensors to Defend Aircraft Against Laser Strikes

A growing safety concern for pilots and aircraft passengers is laser strikes, or the aiming of high-power laser pointers at aircraft. To address the present lack of effective...

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...

Articles
Aerospace

Eliminating Electrical Arcing in Satellite Systems

In 1995, Boeing Satellite Systems introduced a new family of communication satellite buses, with bodies that contain power, control, and propulsion systems. They used a high-voltage bus...

Articles
Defense

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,...

Application Briefs
Defense

Industrial-Scale Metal 3D Printer

Sciaky, Inc.
Chicago, IL
877-450-2518

Sciaky, Inc., a subsidiary of Phillips Service Industries, Inc. (PSI), announced recently that Airbus was scheduled to take delivery of a state-of-the-art...

Articles
Test & Measurement

Modelling and Simulation Tools for Systems Integration on Aircraft

The provision of integrated modeling, simulation and optimization tools to effectively support all stages of aircraft design remains a critical challenge in the aerospace...

Articles
Aerospace

Simulating and Analyzing Flow for an Air-to-Air Refueling System

Long-range bombers may have missions halfway around the world. Fighter jets may have to stay in the air longer than their relatively small fuel tanks will allow, or may find...

Articles
RF & Microwave Electronics

EMI Analysis Software Helps Telescope Group Simulate RFI Mitigation

Challenging Einstein’s seminal theory of relativity to the limits, how the very first stars and galaxies formed just after the Big Bang, the study of dark energy and the...

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...

Briefs
Data Acquisition

Creating Simulated LIDAR Images of Human Poses in a Virtual Laboratory

LIDAR is a partial 3D standoff sensing method that illuminates a target with rotatory or flash laser beams, analyzes the reflected lights, and provides both the distance...

Briefs
Sensors/Data Acquisition

Multifunctional Core-Shell and Nano-Channel Design for Nano-Sized Thermosensor

This work focused on developing novel nano-sized thermal sensors based on a multifunctional core/shell and nano-channel design that can be used to measure...

Briefs
Aerospace

Advanced, Single-Polymer, Nanofiber-Reinforced Composite

A strategic goal of the U.S. Air Force is to be able to deliver munitions to targets anywhere around the globe in less than an hour. This will require very high speeds and novel lightweight and temperature-resistant materials. Nanocomposites are promising emerging materials for structural...

Briefs
Defense

Communication Protocol for CyAMS and the Cyber Fighter Associate Interface

This program evaluates agility maneuvers that may be employed within networks to mitigate the effect of cyber attacks.

As the military adopts more networked...

Articles
Software

Testing Reality in an Increasingly Complex Design Space

The universal adoption of digital 3-D design tools has truly changed forever the way that advanced products are created, from original concept studies, development, testing, and...

Briefs
Information Technology

Materials Design Principles for the Dynamic Fracture of Laminar Composite Structures

Crack bridging (e.g., from stitches or pins) and friction have profound and potentially very useful effects on delamination crack growth, controlling growth rates (damage levels) and the energy absorbed. However, the implications for structural design principles...

Articles
Aerospace

3-D Manufacturing of Titanium Components Takes Off

With such challenges as base closings, shrinking defense budgets, and sequestration, the worldwide maintenance, repair, and overhaul (MRO) sector is projected to experience a significant...

Articles
Test & Measurement

Comparing Blade-Element Momentum Modeling to 3-D CFD

Many small unmanned aerial vehicles (SUAVs) are driven by small-scale fixed-blade propellers, and the flow produced by the propeller can have a significant impact on the aerodynamics of the...

Briefs
Aerospace

Real-Time, High-Fidelity Simulation of Autonomous Ground Vehicle Dynamics

Integrated simulation capabilities that are high-fidelity, fast, and have scalable architecture are essential to support autonomous vehicle design and performance...

Articles
Defense

3D Software Helps Development of Vehicle-Mounted Defense Systems

L-3 Communications Linkabit (Melbourne, FL) develops defense communications and electronic warfare systems to protect soldiers and save lives on the battlefield. A division of...

Briefs
Defense

Model Development Using Accelerated Simulations of Hypersonic Flow Features

Currently, the two main computational tools used by the aerothermodynamics community to model hypersonic flows are Computational Fluid Dynamics (CFD), and the direct...

Briefs
Manufacturing & Prototyping

Three-Dimensional Plastic Part Extrusion and Conductive Ink Printing for Flexible Electronics

Structural electronics, or structronics, seeks to build wiring and electrical interconnects directly into component structures to diminish the need...

Briefs
Software

Software Design for CFD Rotary-Wing Aeromechanics Modeling

Helicopter flight involves many multidisciplinary physics problems that are difficult to predict with today’s engineering modeling and simulation tools. Rotor aerodynamic systems...

Articles
Aerospace

Modeling and Simulation Techniques for Unmanned Vehicle Systems

Unmanned Autonomous Vehicle (UAV) systems have become possible in recent history thanks primarily to the effects of Moore’s Law — the doubling of processing power every 18...

Articles
Aerospace

How Digital “Sand Tables” Will Guide Future Military Strategy

Throughout history, the use of sand tables has been common practice in rehearsing military strategy in the field. Built on piles of sand with scale models of operational...

Articles
Aerospace

FPGA Software Tests Telescope Microshutters

The James Webb Space Telescope (JWST), the next big telescope at NASA, will be placed at a stable Lagrange point approximately 1 million miles from the Earth. This telescope is the next stepping...

Briefs
Physical Sciences

Fluid Helmet Liner for Protection Against Blast-Induced Traumatic Brain Injury

An Advanced Combat Helmet liner design uses the novel idea of including filler materials inside channels in the liner. An energy-absorbing foam was selected for the main liner structure, and several filler material candidates of widely varying properties are being...

Briefs
Manufacturing & Prototyping

Micro-Propulsion Devices Made of Low-Temperature Co-Fired Ceramics

In the satellite industry, the trend is towards decreasing the size of satellites and clustering of small satellites. Technological advancements in microelectronics have made it more economical to launch a cluster of satellites with a single vehicle rather than the traditional...