10 Professional Development Hours/1.0 CEUs

Course Description: Within the Noise, Vibration and Harshness Testing course, the basic physics of each, and why some NVH problems are so hard to solve are covered. The course goes on to discuss the different testing and modeling methods available today and the impact they are having on the quality of the vehicles. The importance of building good NVH into the design process is covered, along with understanding possible problems, and how to avoid them.

Overall Course Objectives:

Lesson 1 – Introduction

Objectives:

• Name the two most important concepts when dealing with structural vibrations.
• List the five categories of NVH for automotive problems, and define each.
• Recognize the procedural and technical problems of NVH that are difficult to solve.

Lesson 2 – Basic Physics, Vibrations and Acoustics

Objectives:

• Understand the basics of physics.
• Gain a basic understanding of vibration and acoustics.
• Interpret the mathematical equator of natural frequencies.

Lesson 3 – Examples of Automotive Problems, Testing

Objectives:

• Identify examples of automotive NVH problems including the following: ride comfort, sound quality, and component durability.
• Explain how sensors are used in the testing of vibration or acoustic testing.
• Gain knowledge of vibration and acoustic testing, and interpret the results.

Lesson 4 – Modeling, Building Good NVH Into the Design Process

Objectives:

• Recognize steps in developing a good model and gain knowledge on the use of analysis tools in NVH.
• Understand the common problems of NVH and how to avoid them.
• Explain the importance of good metrics and product baseline data.

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