Inter-Laboratory Characterization of Biot Parameters of Poro-Elastic Materials for Automotive Applications Matelys Research Lab

Format:

Book

Conference/Event

Author/Creator:

Chevillotte, Fabien, author.

Contributor:

Bertolini, Claudio

Dejaeger, Ludovic

Duval, Arnaud

Hoang, Minh Tan

Lei, Lei

Mordillat, Philippe

Ronzio, Francesca

Conference Name:

11th International Styrian Noise, Vibration & Harshness Congress: The European Automotive Noise Conference (2020-11-03 : Graz, Austria)

Language:

English

Physical Description:

1 online resource cm

Place of Publication:

Warrendale, PA SAE International 2020

Summary:

Automotive suppliers provide multi-layer trims mainly made of porous materials. They have a real expertise on the characterization and the modeling of poro-elastic materials. A dozen parameters are used to characterize the acoustical and elastical behavior of such materials. The recent vibro-acoustic simulation tools enable to take into account this type of material but require the Biot parameters as input. Several characterization methods exist and the question of reproducibility and confidence in the parameters arises. A Round Robin test was conducted on three poro-elastic material with four laboratories. Compared to other Round Robin test on the characterization of acoustical and elastical parameters of porous material, this one is more specific since the four laboratories are familiar with automotive applications. Methods and results are compared and discussed in this work. Finally some guidelines are drawn to improve the confidence in the characterized parameters and to compare them under similar conditions possibly adapted to the final application

Notes:

Vendor supplied data

Publisher Number:

2020-01-1523

Access Restriction:

Restricted for use by site license