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2015-06-22
Event
The focus of the Structural Analysis session is to share experiences on analyzing, testing, and developing solutions to structural noise and vibration problems from powertrain sources. Analytical modeling, experimental testing and predictive correlation are just a few of the tools used in this endeavor.
2015-06-22
Event
This session covers static and dynamic issues in the body and chassis that contribute to noise and vibration problems in vehicles. Included in this session are modal studies, measurement and analysis methods, transfer path analysis, design guidelines, and recommended practices for noise and vibration control of the body and chassis.
2015-06-22
Event
This session focuses on the development and application of analytical methods for characterizing the dynamic behavior of structural systems. Analysis methods for all structural components, subsystems and complete systems found in automotive vehicles will be considered, except for powertrain and driveline which are covered in Powertrain Structural Analysis session. Examples include (but are not limited to) body structure, chassis structure, seats and interior structures.
2014-11-11
Technical Paper
2014-32-0021
Kazuhiro Ito, Yoshitaka Tezuka, Atsushi Hoshino, Keita Sakurada
Abstract In this study, we developed a simulation method for rough road running condition to reproduce the behaviors of a vehicle body and to precisely estimate the input loads to the frame. We designed the simulation method focusing on a front fork model and a rider model optimized for this type of analysis. In the suspension model development, we conducted detailed measurement of the suspension characteristics on a test bench. Based on the yielded results, the friction force, as well as the spring reaction force and the damping force, was reproduced in the suspension model. The friction of the suspension varies depending on the magnitude of the reaction force associated with bending and this effect was also implemented in the model. Regarding the rider model, the actual behavior of a rider was investigated through the recorded motion video data and used to define the necessary degrees of freedom. Based on this investigation, the degree of freedom of three, i.e. vertical, longitudinal and forward leaning motions, was adopted to the rider model.
2014-10-21
Article
Novelis has officially opened what it claims is China's first plant dedicated to the production of heat-treated aluminum automotive sheet, making the company the only one producing automotive aluminum sheet in all three of the world's major automobile producing regions: Asia, Europe, and North America.
2014-10-20
Article
Automakers are racing to cut the cost of lightweight materials that help boost fuel efficiency. In this week's SAE Eye on Engineering, Senior Editor Lindsay Brooke looks at the U.S. and German automakers' push for low-cost carbon fiber.
2014-10-16
WIP Standard
AS25050B
This specification covers the chromaticity and transmission requirements of equipment light transmitting ware in the descending order of transmission. It is intended for use in military aircraft lighting.
2014-10-16
Video
Chrysler engineers need to make the next Jeep Wrangler, due in 2017, much lighter for better fuel economy. In this week's SAE Eye on Engineering, Automotive Engineering Senior Editor Lindsay Brooke looks at Jeep's history with aluminum and unibody construction.
2014-10-14
Event
In response to global demands for environmental conservation, the automotive industry is placing greater focus on the development of fuel-efficient technologies to help reduce global CO2 emissions. With the aim of simultaneously improving fuel economy and driveability, TOYOTA has developed a new continuously variable transmission (CVT) vehicles in North America equipped with a 1.8-liter engine [1]. This new CVT features various technologies for improving fuel economy, including: the world's first coaxial 2-discharge port oil pump system, wider ratio coverage, a flex start system, low-viscosity CVT fluid, and a higher final gear ratio. This paper outlines the configuration, characteristics, performance, and new technologies of this CVT
2014-10-09
WIP Standard
AIR5883A
This document defines the criteria used for the selection of landing gear shock strut upper and lower bearings. Common problems associated with shock strut bearings are presented.
2014-10-09
WIP Standard
AIR4243A
This document discusses the work done by the U.S. Army Corps of Engineers and the Waterways Experiment Station (WES) in support of SAE A-5 Committee activity on Aerospace Landing Gear Systems. It is an example of how seemingly unrelated disciplines can be combined effectively for the eventual benefit of the overall aircraft systems, where that system includes the total airfield environment in which the aircraft must operate. In summary, this AIR documents the history of aircraft flotation analysis as it involves WES and the SAE.
2014-10-08
WIP Standard
ARP6336
This SAE Aerospace Recommended Practice (ARP) provides technical recommendations for the application, design and development of lighting for Unmanned Aircraft (UA). The recommendations set forth in this document are to aid in the design of UA lighting for the type or size of aircraft and the operation in the National Aerospace System for which the aircraft is intended.
2014-10-06
Standard
ARP1558
This SAE Aerospace Recommended Practice (ARP) discusses damage to aircraft fuselages caused by ground equipment contact at servicing and recommends methods to be incorporated or considered in ground equipment design for protection against that damage.
2014-10-03
Article
Polymer composites reinforced with the "wonder material" graphene could cut structural weight by a third or more, researchers claim.
2014-09-30
Article
European researchers examine simulation-based solutions for the manufacture of large-scale, liquid-resin-infusion composite substructures for aircraft and possibly ground vehicles.
2014-09-30
Article
The industry outlook for 2021 underscores engineering efficiency and flexible, modular architectures, according to industry forecasters IHS Automotive.
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