Numerical characterisation of nonlinear stiffness properties of pre-stressed vibration isolation mounts

Authors

  • Lei Jiang Martec Limited, 400-1888 Brunswick Street, Halifax, NS, B3J 3J8, Canada
  • David Stredulinsky Martec Limited, 400-1888 Brunswick Street, Halifax, NS, B3J 3J8, Canada
  • Jeff Szabo Martec Limited, 400-1888 Brunswick Street, Halifax, NS, B3J 3J8, Canada
  • Michael W. Chernuka Martec Limited, 400-1888 Brunswick Street, Halifax, NS, B3J 3J8, Canada

Keywords:

Computer simulation, Computer software, Degrees of freedom (mechanics), Elastic moduli, Finite element method, Poisson ratio, Prestressing, Strain, Stress concentration, Vibrations (mechanical), Viscoelasticity, Nonlinear stiffness, Vibration isolation mounts

Abstract

Numerical characterisation of nonlinear stiffness properties of pre-stressed vibration isolation mounts was presented. A computational procedure was developed to evaluate the condensed stiffness matrix of vibration isolators required by the vibration of viscoelastic and elastic structures (VVES) program. The procedure was based on a nonlinear finite element program which is able to handle complicated mount geometry and nonlinear effect associated with the static pre-loading. Three practical vibration isolation mount structures were analyzed and satisfactory numerical results were obtained.

Additional Files

Published

2002-09-01

How to Cite

1.
Jiang L, Stredulinsky D, Szabo J, Chernuka MW. Numerical characterisation of nonlinear stiffness properties of pre-stressed vibration isolation mounts. Canadian Acoustics [Internet]. 2002 Sep. 1 [cited 2025 Feb. 15];30(3):70-1. Available from: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1459

Issue

Vol. 30 No. 3 (2002)

Section

Proceedings of the Acoustics Week in Canada

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