The measurement of the shear modulus for polymer porous layer with two microphones

Vincent Gareton (1) , Denis Lafarge (2) , Sohbi Sahraoui (2)

1 Eurocopter France
2 LAUM - Laboratoire d'Acoustique de l'Université du Mans

An experimental method is described for measuring the shear modulus of thin porous layer. An acoustical excitation with a loudspeaker and a simulation performed with the Biot theory allow measurement without any mechanical excitation.

Domaines: Acoustique [physics.class-ph]; Acoustique [physics.class-ph]

Vincent Gareton, Denis Lafarge, Sohbi Sahraoui. The measurement of the shear modulus for polymer porous layer with two microphones. Polymer Testing, 2009, 28 (5), pp.508-510. ⟨hal-00433073⟩