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Event

Diesel

2021-06-14
The diesel NVH session is focused on issues related to making diesel engines achieve better NVH characteristics. Topics include both analytical and experimental techniques for developing low noise diesel engines and components. Related topics covered in this session include linear and torsional vibration of diesel engines, as well as features intended to reduce diesel specific intake and exhaust noise problems, such as turbocharger whine.
Event

Facilities

2021-06-14
This session is focused on the development and application of facilities to conduct noise and vibration measurements. The intent is to provide practical information on the engineering challenges to consider in the construction and/or adaptation of a facility to the specialized noise and vibration requirements.
Event

Active Sound Enhancement / Cancellation Methods & Applications

2021-06-14
This session addresses the strategies and methods for implementing active noise and vibration control, including sound enhancement, in a vehicle. It will cover sensors and transducers, feedback systems, control algorithms, software for active control, noise and vibration cancellation devices, noise and vibration measurement systems, and case studies.
Event

Powertrain Systems

2021-06-14
This session is focused on base engine, mounts, accessories, fuel injection system, combustion system, turbo chargers, EGR system, transmission related design or development noise and vibration topics. With the advent of GDI engines- the performance vs. NVH relationship has become more interesting and challenging. The papers of this session will have both experimental and analytical approaches to problem solving.
Event

Noise Path Analysis

2021-06-14
This session is dedicated to test and simulation methods that aid in the understanding, ranking, characterizing of NVH sources and paths in vehicles, aircraft and various consumer products. Also included will be discussions around technical approaches, applications and best practices for working with noise-path-analysis data sets.
Event

Engine & Installed Components

2021-06-14
This session is focused on base engine, mounts, accessories, fuel injection system, combustion system, turbo chargers, EGR system, transmission related design or development noise and vibration topics. With the advent of GDI engines- the performance vs. NVH relationship has become more interesting and challenging. The focus of this session is to share experiences on analyzing, testing, and developing solutions to structural noise and vibration problems from powertrain sources.
Event

Vibro Acoustic Analysis

2021-06-14
This session covers the relationships between vibration and noise that can be generated throughout the vehicle. Included in this session are modal vibration studies related to noise, vibration transfer paths throughout the vehicle, and coupling of vibration and acoustical modes. Both experimental and analytical approaches are included in this session.
Event

Sound Source Identification

2021-06-14
The purpose of this session is to raise awareness/provide use cases of solutions, methods and best practices in both test and simulation that can localize, identify and quantify sound and vibration sources.
Event

Rail & Ship

2021-06-14
This session is devoted to NVH topics for rail and ship vehicles such as locomotives, railcars, commercial shipping, luxury liners and yachting. Potential topics would include any NVH development issues pertinent to rail and marine vehicles, noise or vibration target-setting for perception and measurement methodology.
Event

Heavy Duty Truck / Off-Highway

2021-06-14
This session covers noise and vibration in heavy trucks and buses and all other off-road vehicles. Special attention will be focused on the noise and vibration problems found in these vehicles, as opposed to passenger cars and light trucks, and to the engineering solutions required to solve these problems. Included in the session are discussions of special measurement methods, modeling specifically directed to these vehicles, and NVH materials with special properties to address unique problems.
Event

Acoustics and Vibration Methods

2021-06-14
This session provides a good overview of recent innovations to modeling and visualization techniques, tools, and methodology, both analytical and experimental involved in identifying, calculating and modifying various noise and vibration sources and paths in vehicles, aircraft and various consumer products and assist in the design and validation of noise and vibration targets. Also included are Whole Body and Hand Arm Vibration experienced by drivers as well as acoustical design factors of audio, infotainment, and hands free devices.
Event

Aircraft Interior Noise

2021-06-14
This session covers innovative methods, tools, and processes for reducing aircraft interior noise. Abstracts focusing on lightweight solutions to interior noise and vibration issues are being sought. All aspects of vibro-acoustic studies to reduce cabin noise are welcome in this session. Potential topics may include experimental methods or findings, analytical predictions and correlations, source mitigation, vibro-acoustic package design, sound quality metrics, noise and vibration troubleshooting and resolution, or practical applications of advanced lightweight aerospace materials or technologies.
Event

SEA Design

2021-06-14
This session provides a good overview of recent innovations to SEA modeling techniques. SEA models can be used alone or together with hybrid analytical or experimental techniques to establish good comparative NVH predictions at the earliest stage of the vehicle design process. The papers of this session will describe recent advances and / or validations of SEA theory, applications, or use in conjunction with hybrid techniques for high- and mid-frequency NVH predictions.
Event

Hybrid and Electric Vehicles

2021-06-14
This session discusses the noise sources, noise signatures, noise control strategy, and NVH technology unique to electric and hybrid powered vehicles. It is intended to bring a greater awareness of the NVH characteristics of these new vehicles to all NVH practitioners. At the same time, it will provide a forum so that advances in power systems, drive trains, batteries, and energy storage can be addressed with appropriate NVH technology as needed.
Event

Subjective Response

2021-06-14
This Subjective Response session seeks manuscripts concerning subjective testing and analysis related to vehicle/equipment noise and vibration, usually referred to as sound quality and vibration quality. The focus is on both subjective and objective tools and methods that can be used either to design sound or vibration quality into the final product, or to characterize and eliminate undesired sounds or vibrations.
Event

Buzz, Squeak, Rattle

2021-06-14
This session is focused on the vehicle body interior noise issues caused by friction and/or impact due to the vibration of interfacing components. The papers in this session will investigate those issues through the best practice of analytical and experimental applications.
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