0
RESEARCH PAPERS

A Modified MSE Method for Viscoelastic Systems: A Weighted Stiffness Matrix Approach

[+] Author and Article Information
B.-G. Hu, M. A. Dokainish, W. M. Mansour

McMaster University, Hamilton, Ontario, Canada

J. Vib. Acoust 117(2), 226-231 (Apr 01, 1995) (6 pages) doi:10.1115/1.2873923 History: Received May 01, 1993; Revised October 01, 1993; Online February 26, 2008

Abstract

The conventional Modal Strain Energy method (MSE is briefly discussed. Several indices are proposed to characterize a viscoelastically damped system. An Overall Error Index is proposed to assess the accuracy of the solution. A Modified MSE method is developed for a better evaluation of modal damping. Instead of neglecting the damping stiffness matrix in the determination of the eigenvectors, as is the case in the conventional MSE method, the authors used a weighted matrix to solve a real eigenvalue problem. With such modification the estimation of the modal damping is often improved. Numerical simulation of multi degree-of-freedom systems are reported using the proposed Modified MSE method and the indices.

Copyright © 1995 by The American Society of Mechanical Engineers
Your Session has timed out. Please sign back in to continue.

References

Figures

Tables

Errata

Discussions

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In