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

“…The numerical results show that nonlinear Darcy seepage occurs during low velocity zone. …”
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Autonomous decision-making method for ship maneuvering in complex waters of estuarine multi-class ships routeing system by HE Yixiong, ZHANG Huwei, LIU Jiaorun, ZHAO Xingya, XIANG Shouyuan, WANG Bing

“…The collision avoidance mechanism under the constraints of ship behavioural characteristics in such waters was explored by combining the control and process prediction methods with nonlinear ship manoeuvring characteristics. Then, a feasible heading speed finding method was established, and a ship manoeuvring autonomy decision-making method under the constraints of multifactors that can dynamically adapt to the system's residual error and the target ship's random motion was proposed. …”
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Ballistic performance of lightweight ceramic-metal composite armour plates under blunt projectile impact by Hasan Aftab Saeed, Yasser Riaz Awan, Hamza Saleem Khan, Abdur Rehman Mazhar, Shahid Aziz, Dong-Won Jung

“…In the present work, nonlinear finite element analysis is used to find the ballistic performance of various combinations of composite bi-layered armours of Weldox 460 E, AA7075-T6, and SiC impacted by blunt projectiles with velocities ranging from 100 - 400 m/s. …”
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A double closed loop digital hydraulic cylinder position system based on switching active disturbance rejection control by Shouling Jiang, Guochao Zhao, Fuxian Huang, Wenfeng Liu, Ying Chen, Long Zhang

“…Given the pronounced nonlinear characteristics of double closed-loop digital hydraulic cylinders, combined with the characteristics of switching control, a SADRC strategy was proposed, and the stability of the closed-loop system was proved based on Lyapunov theory and switching rules. …”
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Online Structural Health Monitoring and Parameter Estimation for Vibrating Active Cantilever Beams Using Low-Priced Microcontrollers by Gergely Takács, Ján Vachálek, Boris Rohal’-Ilkiv

“…The actuator input and the measured position are used in an augmented nonlinear model to observe the dynamic states and parameters of the beam by the continuous-discrete extended Kalman filter (EKF). …”
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A Novel Approach of Label Construction for Predicting Remaining Useful Life of Machinery by Hailong Lin, Zihao Lei, Guangrui Wen, Xiaojun Tian, Xin Huang, Jinsong Liu, Haoxuan Zhou, Xuefeng Chen

“…Furthermore, the fuzzy C-means (FCM) algorithm is innovatively used to divide the degradation data into several stages to obtain the turning point of degradation. Then, a nonlinear degradation index, the RUL label with the turning point, was constructed based on principal component analysis (PCA). …”
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A Mixed Equilibrium Model and Optimal Path Platooning Method for CAV Platoons in Heterogeneous Traffic Flow by Kefu Yi, Lixia Tang, Wei Hao, Zhaolei Zhang, Rongdong Hu, Kai Luo

“…Furthermore, the model is built up as a mixed UE-SUE equilibrium problem and reformulated as a nonlinear complementarity problem. In addition, an optimal path platooning method is proposed to reduce the negative effects, by integrating travel costs of both CAV platoons and HDVs into its objective function. …”
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A chaotic bursting-spiking transition in a pancreatic beta-cells system: observation of an interior glucose-induced crisis by Jorge Duarte, Cristina Januário, Nuno Martins

“…Nonlinear systems are commonly able to display abrupt qualitative changes (or transitions) in the dynamics. …”
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Time-bin entangled Bell state generation and tomography on thin-film lithium niobate by Giovanni Finco, Filippo Miserocchi, Andreas Maeder, Jost Kellner, Alessandra Sabatti, Robert J. Chapman, Rachel Grange

“…Lithium niobate-on-insulator has emerged as a revolutionising platform for high-speed classical telecommunication and is equally suited for quantum information applications owing to the large second-order nonlinearities that can efficiently produce entangled photon pairs. …”
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Quantitative Evaluation of Display Contrast of Gd-EOB-DTPA-Enhanced Magnetic Resonance Images: Effects of the Flip Angle and Grayscale Gamma Value by Yusuke Inoue, Hirofumi Hata, Ai Nakajima, Keiji Matsunaga, Yusuke Ohzeki, Tetsuya Hashimoto, Hiroki Haradome

“…Display contrast can be changed nonlinearly by manipulating the gamma value of the grayscale. …”
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Energy Consumption of an Active Vehicle Suspension with an Optimal Controller in the Presence of Sinusoidal Excitations by Jarosław Konieczny, Waldemar Rączka, Marek Sibielak, Janusz Kowal

“…The vibration transmissibility function and the energetic indicators for the active suspension were determined while taking note of nonlinearities occurring in the actual vehicle. The analysis of energy indicators is presented, depending on the level of vibration reduction efficiency. …”
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Soliton solutions of the (2 + 1)-dimensional Jaulent-Miodek evolution equation via effective analytical techniques by Muhammad Zubair Raza, Muhammad Abdaal Bin Iqbal, Aziz Khan, D. K. Almutairi, Thabet Abdeljawad

“…The potential applications of these solutions span diverse domains, such as nonlinear dynamics, fiber optics, ocean engineering, software engineering, electrical engineering, and other areas of physical science. …”
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Robust Next-Day Scheduling of PV Generation Sources Supplying a Standalone DC Microgrid via a Semi-Definite Programming Model by Walter Gil-Gonzalez, Oscar Danilo Montoya, Luis F. Grisales-Norena, Fabio Andrade

“…The PV source operation model is formulated as a nonlinear programming (NLP) problem with the objective of minimizing daily energy losses and reducing CO2 emissions compared to diesel generators. …”
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Computational analysis of thermo-solutal Marangoni convective unsteady stagnation point flow of tetra hybrid nanofluid past rotating sphere with activation energy by Munawar Abbas, Hawzhen Fateh M. Ameen, Jihad Younis, Nargiza Kamolova, Ebenezer Bonyah, Hafiz Muhammad Ghazi

“…Using the proper similarity variables, ordinary differential equations (ODEs) are generated from the nonlinear governing equations. A shooting method and the bvp4c method are utilized to obtain the numerical solution of the reduced boundary conditions and equations. …”
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Rotor-Bearing System Stability Performance Comparing Hybrid versus Conventional Bearings by Julio Gomez-Mancilla, Valeri Nosov, Gerardo Silva-Navarro

“…Also this bearing displays nonlinear feeding pressure behavior, and it is capable of reducing the synchronous vibration amplitude in most speed ranges, except around the critical speed; moreover, for certain Jeffcott configurations the amplitude reduction can be substantial.…”
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A Prediction Model of Structural Settlement Based on EMD-SVR-WNN by Xianglong Luo, Wenjuan Gan, Lixin Wang, Yonghong Chen, Xue Meng

“…Since the deformation monitoring data usually is nonstationary and nonlinear, the deformation prediction is a difficult problem in the structural monitoring research. …”
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Experimental Analysis of Fuzzy Gain-Scheduled PID Controller With a Feedforward Compensator for an Ultra-Precise Piezoactuated Micropositioning Stage by Hussain Kahil, Irfan Ahmad, Yasser Bin Salamah

“…However, the inherent nonlinear hysteresis characteristics of these actuators, if not compensated for, can significantly compromise the precision of the positioning. …”
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Chiral exceptional point enhanced active tuning and nonreciprocity in micro-resonators by Hwaseob Lee, Lorry Chang, Ali Kecebas, Dun Mao, Yahui Xiao, Tiantian Li, Andrea Alù, Sahin K. Özdemir, Tingyi Gu

“…Here, we use asymmetric Mie scatterers to break the rotational symmetry of a microresonator, to demonstrate deterministic thermal tuning across a chiral EP, and to demonstrate EP-mediated chiral optical nonlinear response and efficient electro-optic tuning. …”
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Analysis and prediction of urban agglomeration ecological footprint based on improved three-dimensional ecological footprint and shared socioeconomic pathways by Ruirui Jiang, Liangjun Fei, Shouxuan Kang

“…This study analyzes the spatial–temporal dynamics of ecological security, sustainability, and driving factors in Shaanxi’s Guanzhong urban agglomeration. Using an extended nonlinear STIRPAT model, this study projects population and urbanization rates under Shared Socioeconomic Pathways (SSP1-SSP5) scenarios. …”
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Efficient AM Algorithms for Stochastic ML Estimation of DOA by Haihua Chen, Shibao Li, Jianhang Liu, Yiqing Zhou, Masakiyo Suzuki

“…However, the estimation of SML generally involves the multidimensional nonlinear optimization problem. As a result, its computational complexity is rather high. …”
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