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He’s multiple scales method for nonlinear vibrations
Journal of Low Frequency Noise, Vibration and Active Control, 2019 He’s multiple scales method is a couple of the homotopy perturbation method and the multiple scales technology in the classic perturbation method. This method has been proved to be a powerful mathematical tool to various nonlinear equations, and it is ...
Zhong-Fu Ren, Shao-Wen Yao, Ji-Huan He
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A Modified Couple Stress-Based Model for the Nonlinear Vibrational Analysis of Nano-Disks Using Multiple Scales Method [PDF]
Journal of Applied and Computational Mechanics, 2022 In this article, the nonlinear vibrational behavior of a nano-disk was analyzed using the multiple scales method (MSM). The modified couple stress theory was used to consider the small-scale effect via the application of nonlocal parameter.
Ali Alizadeh +3 more
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Analytical solution of nonlinear rolling motion of ship using the method of multiple scales [PDF]
مجله مدل سازی در مهندسی, 2017 In this research, the nonlinear rolling motion of ships is studied. After obtaining the governing equation of roll motion, the method of multiple scales perturbation technique is applied to solve the nonlinear differential equation.
Mohammad Mahdi Jalili +2 more
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Curved and Layered Structures, 2022 In this work, magneto-electro-mechanical size-dependent nonlinear vibration analysis of nanobeam embedded in multi-layer of Winkler, Pasternak, quadratic and cubic nonlinear elastic media is presented.
Sobamowo Gbeminiyi Musibau
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Modelling multiple time-scales with flexible parametric survival models
BMC Medical Research Methodology, 2022 Background There are situations when we need to model multiple time-scales in survival analysis. A usual approach in this setting would involve fitting Cox or Poisson models to a time-split dataset.
Nurgul Batyrbekova +7 more
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IEEE Access, 2020 Machinery devices often consist of mechanical mechanisms that are actuated by fluid power systems. In many applications, the mechanical system can be modelled and analysed in terms of the multi-body system dynamics.
Mehran Kiani-Oshtorjani +4 more
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Technical note: Multiple wavelet coherence for untangling scale-specific and localized multivariate relationships in geosciences [PDF]
Hydrology and Earth System Sciences, 2016 The scale-specific and localized bivariate relationships in geosciences can be revealed using bivariate wavelet coherence. The objective of this study was to develop a multiple wavelet coherence method for examining scale-specific and localized ...
W. Hu, B. C. Si
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IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2020 Accurate mapping of crop distribution on Earth's surface aids in predicting grain production. Pattern classification along with remote sensing imagery can facilitate traditional manual field measurement techniques using machine learning.
Zengwei Tang +5 more
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Identifying Urban Residents’ Activity Space at Multiple Geographic Scales Using Mobile Phone Data
ISPRS International Journal of Geo-Information, 2020 Residents’ activity space reflects multiple aspects of human life related to space, time, and type of activity. How to measure the activity space at multiple geographic scales remains a problem to be solved.
Lunsheng Gong +4 more
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Application of the method of multiple scales for nonlinear vibration analysis of mechanical systems with dry and lubricated clearance joints [PDF]
Journal of Theoretical and Applied Vibration and Acoustics, 2017 In this study, the method of multiple scales is used to perform a nonlinear vibration analysis of a mechanical system in two cases; with dry and lubricated clearance joints.
Saeed Ebrahimi +2 more
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