Results 71 to 80 of about 10,556 (246)

Dynamic Modeling and Active Vibration Control of Piezoelectric Laminated Structure Based on Macrofiber Composite

Structural Control and Health Monitoring, Volume 2024, Issue 1, 2024.
In this paper, a ground‐based experimental system for solar array active vibration suppression has been established. Firstly, in order to establish an accurate model of the solar array, the solar array is regarded as a flexible cantilevered thin plate, and the corresponding dynamical equations are derived using the absolute nodal coordinate method.
Haitao Luo, Huadong Li, Xingyuan Wu, Guangming Liu, Wei Zhang, Young-Jin Cha   +5 more
wiley   +1 more source

Issue Information

, 2022
International Journal of Mechanical System Dynamics, Volume 2, Issue 2, Page 153-154, June 2022.
wiley   +1 more source

Dynamic characteristics analysis of high speed rotating thin film antenna

Results in Physics, 2022
The thin-film antenna is in a state of high-speed rotation in space, and studying the influence of its structure size on its vibration characteristics can avoid the occurrence of resonance.
Yao Feng, Jimei Wu, Mingyue Shao
doaj   +1 more source

Shape Adjustment of a Large Planar Phased Array Antenna With Nonlinear Cable Actuators

International Journal of Aerospace Engineering, Volume 2024, Issue 1, 2024.
Shape adjustment of large planar phased array antennas is significant because the shape distortion of phased arrays can greatly reduce the antenna’s gain in the observing direction. This study selects the inherent diagonal cables driven by motors as actuators, initially used to improve the stiffness of the antenna structure. The shape adjustment can be
Jiyang Zhou, Xiang Liu, Guoping Cai, Jun Sun, Dongfang Zhu, Paolo Castaldi   +5 more
wiley   +1 more source

Coupling dynamics of a geared multibody system supported by Elastohydrodynamic lubricated cylindrical joints [PDF]

, 2015
A comprehensive computational methodology to study the coupling dynamics of a geared multibody system supported by ElastoHydroDynamic (EHD) lubricated cylindrical joints is proposed throughout this work.
A. Fernandez del Rincon, A. Kahraman, A. Kahraman, A.A. Shabana, A.A. Shabana, A.A. Shabana, A.A. Shabana, B. Slim, B.S. Shenoy, C. Brutti, C. Liu, C. Liu, C. Liu, C. Liu, C. Wan, D. Dowson, D. García-Vallejo, D.C.H. Yang, F. Chaari, F. Chaari, F. Chaari, H. Vinayak, H. Xu, H. Xu, H.M. Attia, H.N. Özgüven, H.P. Liu, Haiyan Hu, Hui Liu, J. García De Jalón, J. Wang, J.H. Seo, J.R. Chang, J.S. Rao, K.F. Martin, K.J. Bathe, M. Arnold, M. Machado, M. Vaishya, M. Vaishya, M. Vaishya, O. Muvengei, O. Pinkus, P. Flores, P. Flores, P. Flores, P. Flores, P. Sainsot, P.M. Lugt, Paulo Flores, Q. Tian, Q. Tian, Q. Tian, Q. Tian, Qianfei Xiao, Qiang Tian, R. Stefanelli, R.W. Cornell, R.Y. Yakoub, S. Baguet, S. Baud, S. Erkaya, S. He, S. He, S. He, S. Theodossiades, W. Schiehlen, Y. Wang, Yanlei Sun   +68 more
core   +1 more source

Dynamics of spatial flexible multibody systems with clearance and lubricated spherical joints [PDF]

, 2009
A computational methodology for analysis of spatial flexible multibody systems, considering the effects of the clearances and lubrication in the system spherical joints, is presented.
Chen Liping, Flores, Paulo, Tian Qiang, Zhang Yunqing   +3 more
core   +1 more source

A New Flexible Multibody Dynamics Analysis Methodology of Deployable Structures with Scissor-Like Elements

Chinese Journal of Mechanical Engineering, 2019
There are vast constraint equations in conventional dynamics analysis of deployable structures, which lead to differential-algebraic equations (DAEs) solved hard.
Qi’an Peng, Sanmin Wang, Changjian Zhi, Bo Li   +3 more
doaj   +1 more source

Regulation of the Aspergillus nidulans cytochrome C gene : a thesis presented in partial fulfilment of the requirements for the degree of Master of Science in Molecular Genetics at Massey University, Palmerston North, New Zealand [PDF]

, 1997
The filamentous fungus Aspergillus nidulans has been genetically and biochemically well-characterised and thus provides an attractive model for studies on the regulation of eukaroytic gene expression.
McGlynn, Linda Joy
core  

Locating and Quantifying Broadband Fan Sources Using In-Duct Microphones [PDF]

, 2010
In-duct beamforming techniques have been developed for locating broadband noise sources on a low-speed fan and quantifying the acoustic power in the inlet and aft fan ducts.
Brooks T., Dougherty R.P., Dougherty R.P., Kendall J.M., Loew R.A., Piet J.   +5 more
core   +2 more sources

A comprehensive survey of the analytical, numerical and experimental methodologies for dynamics of multibody mechanical systems with clearance or imperfect joints [PDF]

, 2018
"Available online 19 December 2017"A comprehensive survey of the literature of the most relevant analytical, numerical, and experimental approaches for the kinematic and dynamic analyses of multibody mechanical systems with clearance joints is presented ...
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core   +1 more source