Nonlinear damping and forced vibration behaviour of sandwich beams with transverse normal stress
Source abstract
Abstract
Abstract This paper deals with the nonlinear forced vibration analysis of sandwich beam with viscoelastic core layer. In the analytical formulation, normal, transverse and shear deformations are considered in the core layer by mean of the refined higher-order zig-zag theory. The harmonic balance method for a doubly supported beam is adopted as a solution procedure. Thus, the obtained nonlinear frequency amplitude equation is governed by several complex parameters. These ones are arising for the geometrically non-linear coupling due to the viscoelastic layer core. The frequency response curves are presented and discussed by varying the material and geometric properties of the viscoelastic layer.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Composite Structure Analysis and Optimization · Vibration and Dynamic Analysis · Structural Analysis and Optimization
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