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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.

Articles
Energy

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.

News
Energy

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....

News
Mechanical & Fluid Systems

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...

News
Transportation

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...

Technical Innovation
Software

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...

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.

Articles
Defense

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.

News
Software

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...

Articles
Power

Bringing Turbine Power to Small Aircraft

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

Briefs
Aerospace

Software Accelerates Engine Development for Hypersonic Flight

A numerical modeling tool allows for a better understanding of rotating detonation engines (RDEs).

News
Data Acquisition

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...

Briefs
Defense

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...

Briefs
Aerospace

Rocket Nozzle Side-Load Analysis Software

Lateral nozzle forces are known to cause severe structural damage during testing of any new rocket engine configuration under development. While three-dimensional computational fluid dynamics (CFD)...

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...

Articles
Software

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...

Facility Focus
Materials

Los Alamos National Laboratory

Established in 1943, Los Alamos National Laboratory (LANL) in New Mexico was site Y of the Manhattan Project for a single purpose: to design and build an atomic bomb, which took just 27 months. The Los Alamos...

Briefs
Software

Global Series Solutions of Nonlinear Differential Equations with Shocks using Walsh Functions

An orthonormal basis set is introduced for use in generating global solutions to nonlinear differential equations with shocks. By global, it is meant that a single series solution is generated that is valid over the entire domain, not a separate...

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...

Features
Design

The Digital Future of Medical Device Development

Digital design tools — computer modeling and realistic simulation — have emerged as key contributors to success in medical device product design and manufacturing, and increasingly in the...

Articles
Propulsion

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....

Articles
Manufacturing & Prototyping

Design for Metal Additive Delivers New Standards for Metal Parts

Metal additive manufacturing is being embraced as a choice for parts production across many fields — including aerospace, automotive, healthcare, and other industries —...

Briefs
Aerospace

Flap Edge Noise Reduction Fins

NASA’s Langley Research Center has developed aircraft flap tip modifications that reduce noise produced during approach and landing. The modifications are rigid open lattice (honeycomblike) and fin structures...

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

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...

Application Briefs
Energy

Simulation Helps Samsung Deliver Safer, More Efficient Lithium-Ion Battery Packs

Siemens PLM Software
Plano, TX
www.plm.automation.siemens.com

The use of lithium-ion (Li-ion) batteries has made the electric vehicle (EV) a...

Briefs
Software

Robust Mesh Update Method for Grid Motion Problems

Over the past several decades, one class of problems in computational fluid dynamics (CFD) that has undergone substantial development involves movement of the fluid domain boundary. The problem class exists when the fluid domain boundary is either explicitly time-dependent, or is known a priori...

Briefs
Software

Efficient Two-Dimensional Solution Methods for the Navier-Stokes Equations

ARC2D is a computational fluid dynamics (CFD) program for two-dimensional airfoil and simply connected geometries. The program uses implicit finite-difference techniques to solve two-dimensional Euler equations and Navier-Stokes equations. It is based on the Beam and...

Briefs
Software

Pegasus 5.2 Software for Automated Pre-Processing of Overset CFD Grids

Pegasus software is used as a pre-processor for overset-grid Computational Fluid Dynamics (CFD) simulations. It provides the hole-cutting and connectivity information between structured overset grids. The main features of the software include automated hole-cutting...