Material damping under random excitation

Mead, D. J. ; Mallik, A. K. (1976) Material damping under random excitation Journal of Sound and Vibration, 45 (4). pp. 487-494. ISSN 0022-460X

Full text not available from this repository.

Official URL:

Related URL:


The damping capacity of three materials subjected to narrow-band strain fluctuations is investigated, the material effectively undergoing sinusoidal strain with randomly varying amplitude. For this case, a theoretical relationship is established between the expected value of the energy dissipated per unit volume of the material per period of the narrow-band process and the r.m.s. value of the strain history. This is expressed in terms of material damping constants obtained from harmonic damping measurements. The theoretical relationship is checked against experimental results from narrow-band random experiments on three different materials over low and intermediate stress ranges. Good agreement is found.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
ID Code:22008
Deposited On:23 Nov 2010 08:49
Last Modified:07 Jun 2011 05:53

Repository Staff Only: item control page