Energy Response Analysis of Continuous Beam Bridges with Friction Pendulum Bearing by Multihazard Source Excitations by Bing Li, Bin Wang, Shaohua Wang, Xiao Wu

“…A three-dimensional finite element analysis of a multispan continuous concrete girder bridge with FPB was established using the nonlinear time-history method to verify the accuracy of analytical modelling. …”
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Kinematics and Transmission Performance Analyses of a 2T2R Type 4-DOF Spatial Parallel Manipulator by Haiyan An, Bin Li, Shoujun Wang, Weimin Ge

“…For the inverse position analysis, the explicit expression can be obtained from the independent motion parameters of the given mechanism, and the forward position problem is solved by calculating a set of nonlinear equation systems. Then we obtained the workspace of the mechanism based on the analytic formulae of the inverse displacement. …”
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Fault Diagnosis Method for Rotating Machinery Based on Hierarchical Amplitude-Aware Permutation Entropy and Pairwise Feature Proximity by Ling Shu, Jinxing Shen, Xiaoming Liu

“…With a view to solving the defect that multiscale amplitude-aware permutation entropy (MAAPE) can only quantify the low-frequency features of time series and ignore the high-frequency features which are equally important, a novel nonlinear time series feature extraction method, hierarchical amplitude-aware permutation entropy (HAAPE), is proposed. …”
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Bifurcation Analysis with Aerodynamic-Structure Uncertainties by the Nonintrusive PCE Method by Linpeng Wang, Yuting Dai, Chao Yang

“…Structure uncertainty of parameters is more sensitive for bifurcation. When the nonlinear stall flutter and bifurcation are concerned, more attention should be paid to the separation process of aerodynamics and parameters about pitch DOF in structure.…”
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Numerical Analysis of a Train-Bridge System Subjected to Earthquake and Running Safety Evaluation of Moving Train by Xun Yang, Huanhuan Wang, Xianlong Jin

“…Parallel computing based on contact balance was utilized to deal with this large-scale numerical simulation problem. The dynamic nonlinear analysis was performed on a Hummingbird supercomputer using the finite element code LS-DYNA 971. …”
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Effects of Thermodiffusion and Chemical Reaction on Magnetohydrodynamic-Radiated Unsteady Flow Past an Exponentially Accelerated Inclined Permeable Plate Embedded in a Porous Mediu... by B. Prabhakar Reddy, M. H. Simba, Alfred Hugo

“…The governing nondimensional set of coupled nonlinear partial differential equations with related initial and boundary conditions are solved numerically by using the accurate and efficient DuFort–Frankel’s explicit finite difference method. …”
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Analytical Solution for the Gross-Pitaevskii Equation in Phase Space and Wigner Function by A. X. Martins, R. A. S. Paiva, G. Petronilo, R. R. Luz, R. G. G. Amorim, S. C. Ulhoa, T. M. R. Filho

“…In this work, we study symplectic unitary representations for the Galilei group. As a consequence a nonlinear Schrödinger equation is derived in phase space. …”
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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

“…The study was applied to optical long-haul networks to overcome the nonlinearity effects, chromatic dispersion, and signal loss. …”
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A New Formulation on Seismic Risk Assessment for Reinforced Concrete Structures with Both Random and Bounded Uncertainties by Xiao-Xiao Liu, Yuan-Sheng Wang

“…The interstory drift and the acceleration as two responses of the case study are, respectively, obtained by utilizing Incremental Dynamic Analysis and nonlinear history analysis.…”
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Butterfly Diversity from Farmlands of Central Uganda by M. B. Théodore Munyuli

“…Farmers are encouraged to protect and increase on-farm areas covered by complex traditional agroforests, linear, and nonlinear seminatural habitats to provide sufficient breeding sites and nectar resources for butterflies.…”
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The integration and innovative practice of intelligent AI and local opera in college teaching by Chunying Li

“…Time series analysis revealed nonlinear learning trajectories, with participants showing greatest gains during the intervention’s midpoint. …”
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Dynamic Characteristic Analysis of the Main Drive Gear Transmission System of a Large Shield Machine Considering Non-uniform Load Conditions by Deng Shuzhi, Xu Lixin, Long Bin, Su Cuixia

“…The model analyzes the time-frequency dynamic response characteristics of the drive system under the action of the multi-source driving torque by considering the effects of nonlinear factors such as the time-varying meshing stiffness of gear teeth, gear transmission errors and backlash. …”
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Experimental Study on the Tensile Properties of Rock-Mortar Interface under Different Strain Rates by Nan Wu, Zhende Zhu, Zhilei He

“…In this paper, an experimental study was carried out on a rock-mortar interface specimen under three different strain rates (10−6, 10−5, and 10−4  s−1) using the MTS322 electrohydraulic servo loading system, and a new constitutive relation function of fictitious crack model (FCM) according to the axial-stress-crack-width curves of the rock-mortar interface is established, because the traditional nonlinear softening function easily distorts, shakes, and so cannot describe the damage-evolution process of the rock-mortar interface accurately. …”
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The Impact of Pixel Resolution, Integration Scale, Preprocessing, and Feature Normalization on Texture Analysis for Mass Classification in Mammograms by Mohamed Abdel-Nasser, Jaime Melendez, Antonio Moreno, Domenec Puig

“…The classification performance was assessed considering linear and nonlinear support vector machine classifiers. To find the best combination among the studied factors, we used three approaches: greedy, sequential forward selection (SFS), and exhaustive search. …”
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Continuous and pulsed epidemiological models for onchocerciasis with implications for eradication strategy by Glenn Ledder, Donna Sylvester, Rachelle R. Bouchat, Johann A. Thiel

“…Asymptotic approximation allows us to reduce the vector-borne epidemiological model to a model of an infectious disease with nonlinear incidence. We then consider two versions, one with continuous treatment and a more realistic one where treatment occurs only at intervals. …”
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Analysis of Fractional-Order Regularized Long-Wave Models via a Novel Transform by Nehad Ali Shah, Essam R. El-Zahar, Ali Akgül, Adnan Khan, Jeevan Kafle

“…In fact, when compared to other analytical techniques for solving nonlinear fractional partial differential equations, the present method might be considered one of the finest.…”
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Optimal Location of Multiple Tuned Mass Dampers in Regular and Irregular Tall Steel Buildings Plan by Mohsen Khazaei, Reza Vahdani, Ali Kheyroddin

“…In this research, the performance of multiple tuned mass dampers (MTMDs) is investigated in L- and U-shaped regular and irregular tall steel buildings with 10 and 20 floors, under the near- and far-field records. Nonlinear time history analysis is also applied to evaluate the multiple tuned mass dampers effects on the seismic responses of the structures. …”
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Digital economy, green innovation and regional resource allocation efficiency: evidence from 257 cities in China by Li Jiang, Li Jiang, Min Zhang, Shihui Hu

“…IntroductionThe digital economy is reshaping economic structures and resource flows, but its role in enhancing resource allocation efficiency within the framework of green development has not yet been fully explored.MethodsThis paper analyzes panel data from 257 Chinese cities to investigate how the digital economy influences regional resource allocation efficiency, with a focus on the mediating role of green innovation.ResultsThe results show that the digital economy significantly improves resource allocation efficiency, with nonlinear effects characterized by increasing marginal returns. …”
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Application of Compound Control Method Based on WOA in Micropositioning Stage of SICM by Huiting Wen, Xiaolong Lu, Shiping Zhao, Xiaoyu Liu, Yang Yang, Song Leng

“…Most piezoelectric ceramic micromotion platforms are used for that, and hysteresis characteristics are the main reason for the nonlinear characteristics of piezoelectric ceramics and the influence on the control accuracy. …”
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Development of seismic fragility curves for buckling- restrained braced structures under far-field motions considering soil-structure interaction by Hasan Ghasemzadeh, Reza Khodabakhshi Soureshjani

“…The study includes fragility seismic analysis, considering the SSI effects on BRB structures at different performance levels, such as immediate occupancy (IO), life safety (LS), and collapse prevention (CP). The nonlinear soil behavior is represented using the Drucker-Prager model, and the soil boundary conditions are determined based on the Leismer theory. …”
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