What Is Nvh ???
What Is Nvh ? Noise: Noise is defined as an unpleasant or unexpected sound created by a vibrating object. Vibration: Vibration is defined as any objectionable repetitive motion of an object, back-and-forth or up-and-down. Harshness: Harshness is defined as an aggressive suspension feel or lack of “give” in response to a single input. Noise and Vibration Theory: A vibrating object normally produces sound, and that sound may be an annoying noise. In the case where a vibrating body is the direct source of noise (such as combustion causing the engine to vibrate), the vibrating body or source is easy to find. In other cases, the vibrating body may generate a small vibration only. This small vibration may cause a larger vibration or noise due to the vibrati...