An efficient finite element method for computing modal damping of laminated composites: Theory and experiment
Sign Up to like & getrecommendations! Published in 2018 at "Composite Structures"
DOI: 10.1016/j.compstruct.2017.10.024
Abstract: Abstract This paper presents an efficient finite element method (FEM) for computing the modal damping of laminated composites using the general purpose finite element software. The method is based on an extended elastic-viscoelastic correspondence principle,… read more here.
Keywords: finite element; laminated composites; efficient finite; modal damping ... See more keywords
Investigation of modal damping ratios for stay cables based on stochastic subspace identification with ambient vibration measurements
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DOI: 10.1177/1369433219855900
Abstract: The stability assessment of stay cables based on the damping ratios of lower cable modes has attracted a large amount of research efforts. An accurate determination of those modal damping ratios is consequently required for… read more here.
Keywords: cables based; cable; modal damping; ratios stay ... See more keywords
Identification Algorithm and Improvement of Modal Damping Ratios for Armature Assembly in a Hydraulic Servo-Valve with Magnetic Fluid
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DOI: 10.3390/en16083419
Abstract: The high-frequency vibration and resonance of armature assembly in the hydraulic servo valve are the main reasons for instability and failure. Magnetic fluid (MF) operating in the squeeze mode can be taken as an effective… read more here.
Keywords: magnetic fluid; damping ratios; modal damping; armature assembly ... See more keywords