Noise and vibration analysis is becoming increasingly important in virtually every industry. The need to reduce noise and vibration can arise for many reasons: government legislation, lightweight designs, materials, detectability, fatigue failure or increased competitive pressure.
In many applications, the noise from a product is perceived by a person who either uses this product or is exposed to noise generated by this product. It is, therefore, often necessary to consider noise and vibration performance across the entire audible frequency range. This requires a combination of vibro-acoustic simulation methods including both, deterministic, mesh-based methods along with statistical wave mechanics-based methods
The choice of vibro-acoustic simulation method also depends on the design stage of a product. Earlier in the design cycle, there is often less detail available about a product. The use of fast statistical vibro-acoustic simulation methods can help ensure that noise and vibration performance is built into a product from the very early concept design stages. The earlier in the design cycle that you can analyze a product, the more likely it is that your noise and vibration recommendations influence the final design. This also helps you reduce the risks associated with discovering noise and vibration problems late in the design cycle when last-minute design changes can introduce significant costs and schedule delays.
