全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:和禹含 , 刘坤
来源:[J].Open Journal of Acoustics and Vibration, 2018, Vol.06 (01), pp.8-15汉斯出版社
摘要:The damage detection for the frame structure, which is a classical structure form in civil engineering, has become a hot issue recently. To reduce the measurement noise effect in the damage detection result, the singular value decomposition (SVD) method and time domain sensitivit...
作者:戴峥 , 汪胡根 , 乔飞 ...
来源:[J].Open Journal of Acoustics and Vibration, 2018, Vol.06 (01), pp.1-7汉斯出版社
摘要:This paper discusses the use of perforated plate resonant sound absorption structure for substation noise control. Based on the noise distribution characteristics of the substation, the resonant sound absorption structure parameters are designed, and the sound absorption coeffici...
作者:张德丰 , 倪骁骅
来源:[J].Open Journal of Acoustics and Vibration, 2018, Vol.06 (02), pp.46-53汉斯出版社
摘要:In order to decrease vibration noises of vehicle valve cover, a coupled acoustics-structural FEM constitutive model for vibration noises of valve cover is developed by combining acoustic wave equation, mechanics of vibration, and FEM. The influence of parameter variation fro...
作者:曹俊灵 , 钟顺
来源:[J].Open Journal of Acoustics and Vibration, 2018, Vol.06 (02), pp.29-35汉斯出版社
摘要:The nonlinear governing equations of the liquid sloshing modals in cylindrical storage tank are established. Through integration, the analytical expressions of the homoclinic orbits of this kind of system are got. Using the Melnikov method, the global dynamical behaviors are anal...
作者:杨晓军 , 李遇春 , 刘哲 ...
来源:[J].Open Journal of Acoustics and Vibration, 2018, Vol.06 (02), pp.54-61汉斯出版社
摘要:This paper studies the free bending vibration frequency of rectangular cantilever beam in water. The test model (a cantilever beam in water) is designed, and the natural frequencies of different cases of the rectangular cantilever beam in the water are obtained. The finite elemen...
作者:田晓超 , 杨志刚 , 李康 ...
来源:[J].Open Journal of Acoustics and Vibration, 2018, Vol.06 (02), pp.17-28汉斯出版社
摘要:In order to realize the tensile-pressure fatigue test of micro and small components, a piezoelectric driven micro load fatigue test device was designed. The structure of this device uses a horizontal structure to avoid the effect of the fixture quality on the applied load. F...
作者:郑伟光 , 许鹏 , 林泽宇 ...
来源:[J].Open Journal of Acoustics and Vibration, 2018, Vol.06 (02), pp.36-45汉斯出版社
摘要:For acoustic model of the finite length duct, in order to make the duct noise achieve the maximum attenuation in a wide frequency band, based on the acoustic finite element method, the acoustic software Virtual.Lab Acoustics is used to optimize the impedance parameters of the aco...
作者:刘金通 , 李人宪
来源:[J].Open Journal of Acoustics and Vibration, 2018, Vol.06 (02), pp.62-69汉斯出版社
摘要:The micro-pressure wave will be generated when the compression wave propagates to the tunnel exit. In some cases, there will be a sonic boom at the tunnel exit, which has a negative impact on the surrounding environment. In order to analyze the causes of the sonic boom at tunnel ...
作者:郑伟光 , 林泽宇 , 唐荣江 ...
来源:[J].Open Journal of Acoustics and Vibration, 2018, Vol.06 (03), pp.88-98汉斯出版社
摘要:Pipeline noise includes low, medium and high frequency noise. In order to realize the active control of broadband pipeline noise, this paper combined with impedance compound muffler structure and active noise reduction method, proposed resonance sound absorption structure weaken ...
作者:严志刚 , 赵艳影
来源:[J].Open Journal of Acoustics and Vibration, 2018, Vol.06 (03), pp.71-78汉斯出版社
摘要:The speed of railway high speed train is constantly increasing, and the vibration of locomotives and vehicles is increased. In order to improve the stability and stationary, the active or semi-active suspension system is used to implement active or semi-active control. In semi-ac...

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