Showing 6,041 - 6,060 results of 6,894 for search '"nonlinear"', query time: 0.11s Refine Results
  1. 6041
  2. 6042

    Cardiometabolic index and mortality risks: elevated cancer and reduced cardiovascular mortality risk in a large cohort by Junjie Wang, Li Xiao, Zhou Li

    Published 2024-12-01
    “…Restricted cubic spline analyses and stratified analyses were conducted to investigate potential nonlinear effects and interactions. Results The decreased participants exhibited considerably higher CMI than the alive’s. …”
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    Article
  3. 6043

    Normalized difference vegetation index prediction using reservoir computing and pretrained language models by John Olamofe, Ram Ray, Xishuang Dong, Lijun Qian

    Published 2025-03-01
    “…Using MODIS/Terra Vegetation Indices 16-Day L3 Global 250 m SIN Grid V061 dataset, we designed and implemented Reservoir Computing (RC) models and transformer-based models including pretrained language model, and compared the prediction performance of these models to traditional machine learning and deep learning methods such as Nonlinear Regression, Decision Tree, Convolutional Neural Network (CNN), Long Short-Term Memory (LSTM) network, and DLinear. …”
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  4. 6044

    Improved Continuous Wavelet Transform for Modal Parameter Identification of Long-Span Bridges by Mingjin Zhang, Xu Huang, Yongle Li, Hao Sun, Jingyu Zhang, Bin Huang

    Published 2020-01-01
    “…In recent years, the wavelet method has been applied more frequently in parameter identification of linear and nonlinear systems. In this article, based on wavelet ridges and wavelet skeleton, the improved modal parameter identification method was studied. …”
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    Article
  5. 6045

    Numerical Evaluation of the Opening Effects on the Reinforced Concrete Slab Structural Performance by Meysam Aminitabar, Omar Kanaani, Amir Reza Eskenati

    Published 2021-01-01
    “…In building this three-dimensional model, it is attempted to accurately model all nonlinear properties of steel and concrete materials as well as the interactions between them. …”
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    Article
  6. 6046

    Clinical and Histopathological Characteristics of Acquired Inflammatory Blaschko-Linear Disorders by Nikhil Mehta, Binod K. Khaitan, M. Ramam, Neetu Bhari, Gomathy Sethuraman, Manoj K. Singh

    Published 2025-01-01
    “…Limitations: Limitations include cross-sectional design and lack of controls with generalized nonlinear diseases. Conclusions: Acquired inflammatory Blaschko-linear disorders show distinct characteristics like involvement of multiple lines and sites, directional progression, and atrophic variants. …”
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    Article
  7. 6047

    Association between red blood cell distribution width and mortality in severe osteomyelitis patients by Yunlong Liu, Yan Zheng, Sheng Ding

    Published 2025-01-01
    “…Restricted Cubic Spline (RCS) was used to detect the nonlinear relationship between RDW and mortality rate. …”
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    Article
  8. 6048

    Bearing Behavior of H-Shaped Honeycombed Steel Web Composite Columns with Rectangular Concrete-Filled Steel Tube Flanges under Eccentrical Compression Load by Jing Ji, Chenyu Yu, Liangqin Jiang, Jiedong Zhan, Hongguo Ren, Sixue Hao, Shaojie Fan, Li Jiang, Yubo Lin, Lingjie He

    Published 2022-01-01
    “…In order to investigate the bearing capacity of H-shaped honeycombed steel web composite columns with rectangular concrete-filled steel tube flanges (STHCCs) subjected to eccentrical compression load, 33 full-scale STHCCs were designed with the eccentricity(e), the slenderness ratio (λ), the cubic compressive strength of concrete(fcuk), the thickness of the steel tube flange (t1), the thickness of honeycombed steel web (t2), diameter-depth ratio (d/hw), space-depth (s/hw), and the yield strength of the steel tube (fy) as the main parameters. Considering the nonlinear constitutive model of concrete and simplified constitutive model of steel, the finite element (FE) model of STHCCs was established by ABAQUS software. …”
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    Article
  9. 6049

    Numerical Simulation on Mesoscale Mechanism of Seepage in Coal Fractures by Fluid-Sloid Coupling Method by Kai Si, Ruidong Peng, Leilei Zhao, Yan Zhao, Yaheng Zhu, Zhendong Cui, Jianyong Zhang

    Published 2021-01-01
    “…The numerical results show that nonlinear Darcy seepage occurs during low velocity zone. …”
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    Article
  10. 6050
  11. 6051

    Heat Transfer Management of Thermal and Electronics Systems using Convective-Radiative Porous Fins with Thermal Contact Resistance and Diabatic Tip by Joy Nneka Ojuro, Gbeminiyi Musibau Sobamowo, Antonio Marcos de Oliveira Siqueira

    Published 2024-07-01
    “…However, the present article explores the significances of thermal contact resistance and diabatic tip on the transient thermal response of straight fin with temperature-dependent thermal conductivity and magnetic field under radiative-convective conditions. The nonlinear model is analyzed numerically using generalized Integral Transform Techniques and the numerical results are verified by the exact solution for the linear thermal model. …”
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  12. 6052
  13. 6053
  14. 6054

    Optimal Lane Allocation Strategy in Toll Stations for Mixed Human-Driven and Autonomous Vehicles by Zuoyu Chai, Tanghong Ran, Min Xu

    Published 2025-01-01
    “…To fully leverage the congestion reduction potential of ETC, this paper addresses the problem of ETC lane allocation at toll stations under heterogeneous traffic flows, modeling it as a mixed-integer nonlinear bilevel programming problem (MINLBP). The objective is to minimize total toll station travel time by optimizing the number of ETC lanes at station entrances and exits while considering ETC-HVs’ lane selection behavior based on the user equilibrium principle. …”
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  15. 6055

    Space-Time Evolution Laws of Zonal Disintegration in Deep Underground Caves Based on Coordination Deformation between the Bolt Body and Surrounding Rock by Yuan-xiang Yu, Zhi-xun Xie, Bao-ping Chen

    Published 2021-01-01
    “…Because the divisional rupture law in engineering practice is closely related to the force characteristics of the bolt body, this paper analyzed stress distribution rules of the same bolt body at different times and that of different bolt bodies at the same time in the case of zonal disintegration based on coordination deformation between the bolt body and surrounding rock. The nonlinear rheological mechanics model of rock mass on the elastic-plastic interface under the maximum support pressure was established. …”
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    Article
  16. 6056

    Development Characteristics and Sensitivity Analysis of Expansive Soil Slope by Pengfei Jiang, Yuanyuan Kong, Zhenyu Song, Ruixin Zhao, Jiewei Zhan, Xuhui Lin

    Published 2022-01-01
    “…The undisturbed soil had typical nonlinear rheological property; The deformation rate of reconstituted was bigger; When the load was 50 kPa and 200 kPa, an expansion phenomena occurred in the sliding zone, which indicated that microstructure could influence the deformation. …”
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  17. 6057

    Presenting a neural network-based hybrid method for ADAS damper optimization in absorption of earthquake energy by Faezeh Nejati, Milad Jiyan

    Published 2023-06-01
    “…In this regard, Etabs software is used for the initial design of structures, nonlinear analysis, and optimization of OpenSees and Matlab software. …”
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    Article
  18. 6058

    Azithromycin removal from water via adsorption on drinking water sludge-derived materials: Kinetics and isotherms studies. by Camilo C Castro-Jiménez, Julio C Saldarriaga-Molina, Edwin F García, Ricardo A Torres-Palma, Nancy Acelas

    Published 2025-01-01
    “…The equilibrium data were analyzed using the nonlinear Langmuir, Freundlich, and Langmuir-Freundlich isotherms. …”
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  19. 6059

    Seismic Fragility Analysis of Bridge Group Pile Foundations considering Fluid-Pile-Soil Interaction by Chao Zhang, Chengwang Wu, Piguang Wang

    Published 2020-01-01
    “…Based on the analysis platform OpenSees, the three-dimensional finite model of the bridge pile foundation is developed, where the pile-water interaction is replaced by the added mass method, nonlinear p-y, t-z, and q-z elements are used to simulate pile-soil interaction, and the displacement of the surface ground motion due to seismic excitations is applied on all spring supports. …”
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    Article
  20. 6060

    Creep model of bond-degradation in deep granite based on variable radius particle clump by Chunzhe Jin, Chuang Sun, Yunhe Ao, Dong Xue, Xin Lu, Qing Zhang

    Published 2025-01-01
    “…Abstract The creep failure of rocks is related to its microstructure, external loading and time. A nonlinear yield model was introduced to describe the variation in the cohesion and friction angle with plastic strain and intergranular stress. …”
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