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3篇 您的检索式:作者名="G.Meng"
    题名 作者 年代 出处 被引量
1Reducing force transmissibility in multiple degrees of freedom structures through anti-symmetric nonlinear viscous damping显示文摘In the present study, the Volterra series theory is adopted to theoretically investigate the force transmissibility of multiple degrees of freedom (MDOF) structures, in which an isolator with nonlinear anti-symmetric viscous damping is assembled. The results reveal that the anti-symmetric nonlinear viscous damping can significantly reduce the force transmissibility over all resonance regions for MDOF structures with little effect on the transmissibility over non-resonant and isolation regions. The results indicate that the vibration isolators with an anti-symmetric damping characteristic have great potential to solve the dilemma occurring in the design of linear viscously damped vibration isolators where an increase of the damping level reduces the force transmissibility over resonant frequencies but increases the transmissibility over non-resonant frequency regions. This work is an extension of a previous study in which MDOF structures installed on the mount through an isolator with cubic nonlinear damping are considered. The theoretical analysis results are also verified by simulation studies.Z.-K.Peng Z.-Q.Lang G.Meng S.A.Billings 2012Acta Mechanica Sinica2012,28,5:4
2Adaptive algorithm for active controlof impulsive noise显示文摘X.Sun S.M.Kuo G.Meng 0,,291:1
3Uncertain eigenvalue analysis by the sparse grid stochastic collocation method显示文摘In this paper, the eigenvalue problem with multiple uncertain parameters is analyzed by the sparse grid stochastic collocation method. This method provides an interpolation approach to approximate eigenvalues and eigenvectors' functional dependencies on uncertain parameters. This method repetitively evaluates the deterministic solutions at the pre-selected nodal set to construct a highdimensional interpolation formula of the result. Taking advantage of the smoothness of the solution in the uncertain space, the sparse grid collocation method can achieve a high order accuracy with a small nodal set. Compared with other sampling based methods, this method converges fast with the increase of the number of points. Some numerical examples with different dimensions are presented to demonstrate the accuracy and efficien y of the sparse grid stochastic collocation method.J.C.Lan X.J.Dong Z.K.Peng W.M.Zhang G.Meng 2015Acta Mechanica Sinica2015,31,4:0
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