Nonlinear Analysis of Conical Base Silentbloc

M. Ayadi; F. Dammak; L. Hammami; M. Haddar

doi:10.15866/irena.v2i2.2395

Nonlinear Analysis of Conical Base Silentbloc

M. Ayadi^(1*), F. Dammak⁽²⁾, L. Hammami⁽³⁾, M. Haddar⁽⁴⁾

^(*) Corresponding author

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Abstract

The objective of this study is to propose a numeric approach to analyze the nonlinear dynamic behaviour of silentblocs. The dynamical analysis proposed is based on the decomposition of analysis into nonlinear static one with large displacements and linear dynamical analysis in the non linear deformed configuration. In this work, modal approach for dynamical analysis of non linear system with large displacements is adopted. The modal basis is determined in the deformed prestressed configurations. Numerical results show the important effect of prestressed on the vibratory behaviour.

Keywords

Silentbloc; Rubber Component; Prestressed; Geometrically Nonlinearity; Modal Analysis

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