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作者:Bo Pan , Wei Zhang , Jianqiu Cao ...
来源:[J].Shock and Vibration(IF 0.535), 2020, Vol.2020
摘要:The single-hole double-track shield tunnel with a large diameter has been one of the optimized schemes for those Metro meeting tunnels crossing long water areas. Compared with single-hole single-track tunnels, train-meeting scenarios occur in single-hole double-track tunnels...
作者:D. W. Wang , M. X. Liu , W. J. Qian ...
来源:[J].Shock and Vibration(IF 0.535), 2020, Vol.2020
摘要:In this work, piezoelectric energy harvesting performance via friction-induced vibration is investigated numerically. A one-degree-of-freedom friction system with a piezoelectric element is proposed, to study the piezoelectric energy harvesting via friction-induced stick-sli...
作者:Xi Zhang , Qiming Wang , Yousan Wang ...
来源:[J].Shock and Vibration(IF 0.535), 2020, Vol.2020
摘要:The large-span floor system being lightweight with low frequency and low damping is prone to suffer severe vibration under human excitations. In this research, the vibration performance of an innovative large-span U-shaped steel-concrete composite hollow waffle (CHW) slab wa...
作者:Shaobo Chai , Wei Tian , Liyuan Yu ...
来源:[J].Shock and Vibration(IF 0.535), 2020, Vol.2020
摘要:Stress wave which is caused either by an explosion in a borehole or by an accidental explosion in a tunnel is supposed to be considered under certain circumstances when it propagates through the surrounding rock masses which contain holes in cylindrical form. Studying the gr...
作者:Miaomiao Li , Zhuo Li , Liangliang Ma ...
来源:[J].Shock and Vibration(IF 0.535), 2020, Vol.2020
摘要:In this study, we evaluated the effect of changing supports’ position on the vibration characteristics of a three-support flexible rotor shafting. This dependency was first analyzed using a finite element simulation and then backed up with experimental investigations. By com...
作者:Jian Pang , Weiguang Zheng , Liang Yang ...
来源:[J].Shock and Vibration(IF 0.535), 2020, Vol.2020
摘要:Application of level set method to optimize the topology of free damping treatments on plates is investigated. The objective function is defined as a combination of several desired modal loss factors solved by the finite element-modal strain energy method. The finite element mode...
作者:Jian-xin Yu , Hui-feng Tan , Franco Concli
来源:[J].Shock and Vibration(IF 0.535), 2020, Vol.2020
摘要:To identify the damaged beams in large-scale spatial structure, a damage indicator based on virtual axial strain calculated from mode shape vectors was proposed. The damage detection process was performed based on the dynamic simulation flowchart. Firstly, random signals wer...
作者:Guofang Nan , Jianyang Lou , Chuanchong Song ...
来源:[J].Shock and Vibration(IF 0.535), 2020, Vol.2020
摘要:Based on the macroslip friction model, a new dynamic model of the shrouded blades for rotating machinery is developed to study the impact vibration between the adjacent blades. Unlike the traditional analytical method of the shrouded blade based on the simple Coulomb frictio...
作者:Weilian Qu , Min Wang , Qiang Zhou ...
来源:[J].Shock and Vibration(IF 0.535), 2020, Vol.2020
摘要:On the premise of only considering along-wind effect on guyed mast, the influence of welding residual stress on the fatigue life of welded joints is evaluated in this paper. Since the sum of residual stress and along-wind-induced dynamic stress exceeds the yield strength of ...
作者:Zuo Xi , Zhou Enquan , Filippo Santucci de Magistris
来源:[J].Shock and Vibration(IF 0.535), 2020, Vol.2020
摘要:This paper presents a theoretical investigation on the lateral force of pile in liquefaction site. Regarded liquefied soil as fluid, the vector method can be used to analyze the liquefaction velocity field and solve the analytical solution of the dynamic field by making use of th...

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