SOUTHWEST RESEARCH INSTITUTE

Noise, Vibration, and Harshness

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	Transmission test in semi-anechoic chamber


	Engineers use state-of-the-art noise analysis techniques in noise, vibration, and harshness problem-solving.

The drivetrain design and development team at Southwest Research Institute (SwRI) uses their extensive experience in a wide range of vehicle design and component issues to resolve your powertrain noise, vibration, and harshness concerns.

Noise, Vibration, and Harshness Staff

Highly experienced engineers from well-known drivetrain original equipment manufacturers (OEM)s
Product-oriented engineers
Individuals with specific noise, vibration, and harshness experience in engines, transmissions, and drivetrains

Noise, Vibration, and Harshness Tools

Semi-anechoic powertrain cell
Measurement and analysis equipment for:
- Sound
- Vibration
- Torsional vibration
Transient and modal analysis for systems and components
Nonlinear torsional drivetrain modeling
Systematic problem-solving methodologies

Noise, Vibration, and Harshness Specialties

Gear noise issues
- Gear design, manufacturing, tolerancing, and analysis expertise
- Engine geartrain systems

Drivetrain noise, vibration, and harshness problem solving
- Torsion damper development
- Engine/drivetrain interactions
- Understanding and modifying drivetrain dynamic system behavior
- Powertrain/vehicle interactions

For more information about our noise, vibration, and harshness capabilities, or how you can contract with SwRI, please contact Doug Fussner, at dfussner@swri.org or (210) 522-3972.

nvh.swri.org

Contact Information

Doug Fussner

Noise, Vibration and Harshness

(210) 522-3972

dfussner@swri.org

nvh.swri.org

Related Terminology

gear noise

diesel engine noise

gear whine

powertrain noise

powertrain vibration

powertrain harshness

torsional vibration damper

torsional drivetrain model

diesel engine noise

drivetrain dynamic system behavior