NVH & Whole-Body Vibration

GS Engineering provides comprehensive testing for Noise, Vibration and Harshness, and whole body vibration for wheeled and tracked ground vehicles.

Complete NVH Testing and Analysis
Our experienced team of engineers and technicians deliver solutions using our advanced testing facilities and CAE Software for dynamic analysis. GSE also delivers complete solutions to military and commercial vehicle manufacturers for acoustic signature management.

Internal Noise Control
Crew compartments can be improved through source noise reduction and improved acoustic treatment of surfaces. By reducing sound pressure levels for vehicle crewmembers, we improve human effectiveness and reduce fatigue. GSE can test and characterize the sound levels throughout vehicle cabins and other work spaces. Using on-site or off-site test facilities, these tests can be performed in fully operating vehicles on controlled but realistic track facilities to account for all factors, such as engine load, on-board equipment, and drivetrain sources. Because GSE has decades of experience in vehicle testing for many purposes, our NVH testing is carried out with extreme attention to detail and a complete understanding of overall vehicle dynamics.

WBV Solutions
Whole Body Vibration (WBV) is managed through our combined field testing and analytical solutions for ISO 2631 or Pradko and Lee 6 watt ride compliance. For most projects, we establish baseline values through an initial field test and establish likely sources based on frequency and phase relationships. Secondary testing in the lab or analysis using CAE software is employed to test design changes that eliminate/attenuate the source or dampen/attenuate along propagation pathways. Because GSE also provides mechanical design, our changes in frame stiffness or suspension characteristics can often lead to additional benefits, such as improved vehicle performance. Trade studies can be performed for a range of possible solutions to obtain optimal results across multiple key parameters.

An Experienced NVH Test Team Working with You
Our team of engineers and technicians has gained an international reputation for comprehensive solutions provided on short timescales, within budget. We work as an extension of our customers’ internal engineering teams, augmenting internal expertise to fill gaps in resources or to complete large projects quickly. By leveraging our efficient workflows and field knowledge, customers gain rapid evaluation of design changes to reduce internal noise, comprehensive assessment of excitation sources and pathways, or establish isolation systems for on-board equipment.

To discuss your NVH or WBV requirements with an engineering project manager, contact GSE.