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作者:Zhixue Tong , Xiaojun Qi , Lixia Li
来源:[J].Journal of Vibroengineering(IF 0.452), 2018, Vol.20 (7), pp.2563-2575JVE
摘要:For the traditional locally resonant beams there always attached the one-stage local resonator and result that the lower band gap the heavier the scattering ring. In order to resolve this problem, the flexural vibration band gap in an Euler beam with periodically arranged lightwe...
作者:Zhiqiang Zhang , Fei Ma , Bill Zhang
来源:[J].Journal of Vibroengineering(IF 0.452), 2018, Vol.20 (7), pp.2705-2719JVE
摘要:High-speed rail stations have long-span floor structures stretching over rail tracks and platforms. These long-span floor structures are prone to vibration caused by large crowds. Current floor vibration design guidelines lack specific provisions addressing this type of stru...
作者:Jun Yao , Jin Qiu Zhang , Ming Mei Zhao ...
来源:[J].Journal of Vibroengineering(IF 0.452), 2018, Vol.20 (7), pp.2690-2704JVE
摘要:A variable-adaptive-law control algorithm for application to common problems like multi-objective control, actuator output constraints, and suboptimal adaptive laws is proposed in this paper. The multi-objective control problem of a nonlinear suspension is converted to the constr...
作者:Ke Chen , Mengyu Li , Chunping Li
来源:[J].Journal of Vibroengineering(IF 0.452), 2018, Vol.20 (7), pp.2745-2757JVE
摘要:Structure-Air noise sources in different frequencies were identified based on analysis of frequency and testing of vibration and noise under idling condition, and a method for signal sources priority was developed under identifying the kinds of noise sources. The partial coherenc...
作者:Cao Weidong , Yao Lingjun , Zhang Qian
来源:[J].Journal of Vibroengineering(IF 0.452), 2018, Vol.20 (7), pp.2720-2733JVE
摘要:In order to study the distribution of unsteady pressure in volute type axial flow pump, the k - ε turbulence model was applied, and ANSYS CFX was provided for numerical simulation calculation. Experiments of external characteristics and pressure fluctuation have been done to...
作者:M. Firdaus Isham , M. Salman Leong , M. Hee Lim ...
来源:[J].Journal of Vibroengineering(IF 0.452), 2018, Vol.20 (7), pp.2604-2621JVE
摘要:Variational mode decomposition (VMD) is a modern decomposition method used for many engineering monitoring and diagnosis recently, which replaced traditional empirical mode decomposition (EMD) method. However, the performance of VMD method specifically depends on the parameter th...
作者:Song Tang , Zheng Liang , Guang Hui Zhao
来源:[J].Journal of Vibroengineering(IF 0.452), 2018, Vol.20 (7), pp.2540-2549JVE
摘要:Tubing string is one of the most important tools in flowing production. In the state of lateral vibration instability of the tubing string, severe collisions between the string and casing may lead to tubing string failure and borehole wall sloughing. Stability of the tubing strin...
作者:Varadha E , Rajakumar S
来源:[J].Journal of Vibroengineering(IF 0.452), 2018, Vol.20 (7), pp.2632-2650JVE
摘要:Piezoelectric elements are inevitable in modern day physics playing a vital role in many applications. Any piezoelectric element requires compression to produce energy in the form of a weak electrical ac signal. Mechanical vibrations are known to cause deflections which are enoug...
作者:Siamak Pedrammehr , Nima Jafarzadeh Aghdam , Sajjad Pakzad ...
来源:[J].Journal of Vibroengineering(IF 0.452), 2018, Vol.20 (7), pp.2680-2689JVE
摘要:Knowing how a musical instrument vibrates can benefit the tonal characteristics shaping of the instrument. In this research, an approach for investigating the mode shapes and natural frequencies of Setar body is addressed. First, mechanical properties of wood used in the producti...
作者:Maohua Xiao , Cunyi Zhang , Kai Wen ...
来源:[J].Journal of Vibroengineering(IF 0.452), 2018, Vol.20 (7), pp.2622-2631JVE
摘要:As an important part of rotating machinery, bearings play an important role in large-scale mechanical equipment. Abnormal bearing conditions may cause the machine to malfunction, or even evolve into a serious accident. Therefore, the accurate and timely fault diagnosis of the bea...

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