On the Use of the Fast Multipole Method for Accurate Automotive Body Panel Acoustic Load Predictions RENAULT

Format:

Conference/Event

Author/Creator:

Chaigne, Sébastien, author.

Conference Name:

SAE 2007 Noise and Vibration Conference and Exhibition (2007-05-15 : St. Charles, Illinois, United States)

Language:

English

Physical Description:

1 online resource

Place of Publication:

Warrendale, PA SAE International 2007

Summary:

Knowledge of the external sound field around a car body is critical for vehicle acoustic development. Airborne isolation predictions, and thus panel and trim design depend on this data. Nowadays, such information is the result of experimental methods, as previously investigated simulation solutions proved either too costly, or not precise enough. In this paper, we investigate the use of a method combining computational efficiency and results accuracy: the Fast Multipole Method. This boundary-integral method uses an iterative solver and does not require a full assembly and factorization of the system matrix, thus allowing precise calculations over an extended frequency range even for large objects. In the present study, we demonstrate the potential of the method on a mid-range van, the Renault Scenic

Notes:

Vendor supplied data

Publisher Number:

2007-01-2313

Access Restriction:

Restricted for use by site license