Showing 2,181 - 2,200 results of 5,544 for search '"Nonlinearity"', query time: 0.07s Refine Results
  1. 2181

    A Study on the Dynamic Behaviour of Lightweight Gears by Shadi Shweiki, Antonio Palermo, Domenico Mundo

    Published 2017-01-01
    “…A one-Degree-of-Freedom (DOF) model of a mechanical oscillator with clearance-type nonlinearity and linear viscous damping is used to perform the investigations. …”
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    Article
  2. 2182

    Association of ambient air pollutants with blood physiological and biochemical indicators and systemic immune inflammation index in people living around Beijing: an analysis of air... by Bingqian DU, Zhiqiang REN, Peian CHEN, Zhenjun LI

    Published 2024-11-01
    “…RCS model analysis showed an inverted U-shaped relationship between PM10 concentration and MO# and MCH, and between O3 concentration and SIRI (all P for nonlinearity < 0.05). A U-shaped relationship was observed between PM2.5 concentration and MO#, between PM10 concentration and PCT, and between CO concentration and MO# (all P for nonlinearity < 0.05). …”
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  3. 2183

    The associations of physical activity patterns and the triglyceride-glucose index in US adults: a secondary data analysis of NHANES (2007–2018) by JinYe Zhang, YiLin Yang, HaoNan Zheng, BoWen Bai, QianKun Yang, Li Zhang, YuTong Zhao, Jing Luo, Bin Yu

    Published 2025-01-01
    “…Multivariate linear regression models were used to assess the relationship between PA patterns and the TyG index, with subgroup analyses, interaction tests and restricted cubic spline (RCS) regression analyses conducted to explore the stability and potential nonlinearity of PA-TyG index association, respectively. …”
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    Article
  4. 2184

    Multi-objective optimization of grinding process parameters for complicated worm space surface based on the grey wolf optimization algorithm by Jiongkang Ren, Shisong Wang, Keqi Ren

    Published 2025-02-01
    “…Grinding is a critical method for enhancing the quality of worm tooth surfaces, and its process optimization has long been a significant research focus; however, existing methods are insufficient in addressing the nonlinearity and complexity inherent in the grinding of complex surfaces. …”
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    Article
  5. 2185

    Parameter Identification of the 2-Chlorophenol Oxidation Model Using Improved Differential Search Algorithm by Guang-zhou Chen, Jia-quan Wang, Ru-zhong Li

    Published 2015-01-01
    “…Then, to address the nonlinearity of the model, two improved differential search (DS) algorithms were proposed to carry out the parameter identification of the model. …”
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    Article
  6. 2186

    On stabilization of magnetically charged brane shell and over-extremality by Sohei Tsukahara

    Published 2025-01-01
    “…This brane shell has finite radii due to the nonlinearity peculiar to string theory, even at the probe level. …”
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    Article
  7. 2187

    A novel minimal exposure path problem in wireless sensor networks and its solution algorithm by Hao Feng, Lei Luo, Yong Wang, Miao Ye, Rongsheng Dong

    Published 2016-08-01
    “…Because of the difficulty in finding a solution due to the model’s high nonlinearity and high dimensional complexity, as well as the special characteristics of the problem, a hybrid genetic algorithm is proposed to find the solutions. …”
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    Article
  8. 2188

    Hybrid Depth-Separable Residual Networks for Hyperspectral Image Classification by Cuijie Zhao, Hongdong Zhao, Guozhen Wang, Hong Chen

    Published 2020-01-01
    “…Due to the high dimensionality of spectral features, limited samples of ground truth, and high nonlinearity of hyperspectral data, effective classification of HSI based on deep convolutional neural networks is still difficult. …”
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    Article
  9. 2189

    Simulation and Prediction of Ion Transport in the Reclamation of Sodic Soils with Gypsum Based on the Support Vector Machine by Jinman Wang, Zhongke Bai, Peiling Yang

    Published 2014-01-01
    “…The effect of gypsum on the physical and chemical characteristics of sodic soils is nonlinear and controlled by multiple factors. The support vector machine (SVM) is able to solve practical problems such as small samples, nonlinearity, high dimensions, and local minima points. …”
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    Article
  10. 2190

    Transformer-based short-term traffic forecasting model considering traffic spatiotemporal correlation by Ande Chang, Yuting Ji, Yiming Bie

    Published 2025-01-01
    “…However, many existing prediction models struggle to accurately capture the spatiotemporal patterns in traffic data due to its inherent nonlinearity, high dimensionality, and complex dependencies. …”
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    Article
  11. 2191

    Theoretical Framework for Creep Effect Analysis of Axially Loaded Short CFST Columns under High Stress Levels by Shiwei Li, Yongqing Yang, Wangqing Wen, Aiguo Yan

    Published 2020-01-01
    “…In this study, to analyze the impacts of nonlinear creep effect on the behaviour of axially loaded short CFST columns, a complete theoretical framework for coupling analysis of 3D creep effect and material nonlinearity was presented. …”
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  12. 2192

    The Association between the Serum Uric Acid Level and Hypertension in Middle-Aged and Elderly Adults by Xianpeng Xu, Jinke Huang, Simin Wu, Qingjie Ji, Xuguang Guo, Yong Huang

    Published 2021-01-01
    “…If nonlinearity was observed, the inflection point was further calculated by a recursive algorithm. …”
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  13. 2193

    Transmission of Normal P-Waves across a Single Joint Based on g‐λ Model by Zhanfeng Fan, Jichun Zhang, Hua Xu, Jianhua Cai

    Published 2019-01-01
    “…First, considering a coupled joint (correction parameter λ, 0<λ<1), a normal deformation constitutive model of the joint (g‐λ model) under static or quasi-static loading is introduced and then extended to dynamic loading. The nonlinearity of the joint stress-deformation curve increases with increasing λ. …”
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  14. 2194

    Simple Program to Investigate Hysteresis Damping Effect of Cross-Ties on Cables Vibration of Cable-Stayed Bridges by Panagis G. Papadopoulos, Andreas Diamantopoulos, Haris Xenidis, Panos Lazaridis

    Published 2012-01-01
    “…A simplified SDOF model, approximating the fundamental vibration mode, is adopted for every individual cable. The geometric nonlinearity of the cables is taken into account by their geometric stiffness, whereas the material nonlinearities of the cross-ties include compressive loosening, tensile yielding, and hysteresis stress-strain loops. …”
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    Article
  15. 2195

    Global existence and uniqueness of classical solutions for a generalized quasilinear parabolic equation with application to a glioblastoma growth model by Zijuan Wen, Meng Fan, Asim M. Asiri, Ebraheem O. Alzahrani, Mohamed M. El-Dessoky, Yang Kuang

    Published 2017-03-01
    “…Under somepracticable regularity criteria on diffusion item and nonlinearity, weestablish the local existence and uniqueness of classical solutionsbased on a contraction mapping. …”
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  16. 2196

    Metaheuristic Approaches for Hydropower System Scheduling by Ieda G. Hidalgo, Regiane S. de Barros, Jéssica P. T. Fernandes, João Paulo F. Estrócio, Paulo B. Correia

    Published 2015-01-01
    “…The individuality of the generating units and the nonlinearity of their efficiency curves are taken into account. …”
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  17. 2197

    A Simplified Flexible Multibody Dynamics for a Main Landing Gear with Flexible Leaf Spring by Zhi-Peng Xue, Ming Li, Yan-Hui Li, Hong-Guang Jia

    Published 2014-01-01
    “…Then rigid-flexible multibody system was built and the highly nonlinearity of the mass matrix caused by the limited rotation of the deformation part was approximated using the linear theory of elastodynamics. …”
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    Article
  18. 2198

    Decomposition-Based Multistep Sea Wind Speed Forecasting Using Stacked Gated Recurrent Unit Improved by Residual Connections by Jupeng Xie, Huajun Zhang, Linfan Liu, Mengchuan Li, Yixin Su

    Published 2021-01-01
    “…This model decomposes the nonlinear wind speed data into four subseries with different frequencies adaptively. …”
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  19. 2199

    A Deep Q-Network-Based Collaborative Control Research for Smart Ammunition Formation by Jian Shen, Benkang Zhang, Qingyu Zhu, Pengyun Chen

    Published 2022-01-01
    “…The smart ammunition formation (SAF) system model usually has the characteristics of complexity, time variation, and nonlinearity. With the consideration of random factors, such as sensor error and environmental disturbance, the system model cannot be modeled accurately. …”
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  20. 2200

    Transmission Performance Analysis of WDM Radio over Fiber Technology for Next Generation Long-Haul Optical Networks by Badiaa Ait Ahmed, Otman Aghzout, Mounia Chakkour, Fahd Chaoui, Azzeddin Naghar

    Published 2019-01-01
    “…The study was applied to optical long-haul networks to overcome the nonlinearity effects, chromatic dispersion, and signal loss. …”
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    Article