Flow Field and Pressure Loss Characteristics at Rotary Drillstring Joints by Minghu Nie, Yuchen Ye, Zheng Wang, Dandan Yuan, Xingyi Wang, Kai Wei

“…Considering the geometric nonlinearity of drillstring joints and the unsteady flow of annular fluid caused by pipe rotation, based on the turbulence model k−ε, the flow field characteristics demonstrate the annulus pressure losses at the drillstring joint are studied by numerical simulation. …”
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Design formation of a transmedia project by A. М. Arakelyan, Yu. V. Vorontsova

“…The article studies such a phenomenon of the media sphere as transmedia, which is characterized by the nonlinearity and hybridity of audiovisual forms. It is a new key feature of the media sphere and makes significant changes to screen art. …”
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Chaotic Behaviour Investigation of a Front Opposed-Hemispherical Spiral-Grooved Air Bearing System by Cheng-Chi Wang

“…Studies show that some of the design problems encountered are dynamic and include critical speed, nonlinearity, gas film pressure, unbalanced rotors, and even poor design, all of which can result in the generation of chaotic aperiodic motion and instability under certain conditions. …”
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A Novel SHLNN Based Robust Control and Tracking Method for Hypersonic Vehicle under Parameter Uncertainty by Chuanfeng Li, Hao Wu, Zhile Yang, Yongji Wang, Zeyu Sun

“…Hypersonic vehicle is a typical parameter uncertain system with significant characteristics of strong coupling, nonlinearity, and external disturbance. In this paper, a combined system modeling approach is proposed to approximate the actual vehicle system. …”
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Bus Voltage Stabilization Control of Photovoltaic DC Microgrid Based on Fuzzy-PI Dual-Mode Controller by Yu Zhang, Shuhao Wei, Jin Wang, Lieping Zhang

“…The photovoltaic DC microgrid has strong nonlinearity and time variation. Therefore, traditional dual closed-loop control strategy of voltage and current based on PI controller cannot effectively restrain the fluctuation and impact of DC bus voltage when the dynamic response of the system is improved. …”
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Hysteresis Modeling of Magnetic Shape Memory Alloy Actuator Based on Krasnosel'skii-Pokrovskii Model by Miaolei Zhou, Shoubin Wang, Wei Gao

“…Compared with traditional actuators, MSMA actuator has the advantages as fast response and large deformation; however, the hysteresis nonlinearity of the MSMA actuator restricts its further improving of control precision. …”
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Comprehensive Interpretation of a Three-Point Gauss Quadrature with Variable Sampling Points and Its Application to Integration for Discrete Data by Young-Doo Kwon, Soon-Bum Kwon, Bo-Kyung Shim, Hyun-Wook Kwon

“…By applying the quadratically extrapolated integrals and nonlinearity index, the accuracy of the integration could be increased significantly for evenly acquired data, which is popular with modern sophisticated digital data acquisition systems, without using higher-order extrapolation polynomials.…”
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An Analytical Method for Determining the Load Distribution of Single-Column Multibolt Connection by Nirut Konkong, Kitjapat Phuvoravan

“…Finite element analysis with shell elements was used to model the cold-formed steel plate while solid elements were used to model the bolt fastener for the purpose of studying the structural behavior of the bolt connections. Material nonlinearities, contact problems, and a geometric nonlinearity procedure were used to predict the failure behavior of the bolt connections. …”
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Performance and Implementation Evaluation of TR PAPR Reduction Methods for DVB-T2 by Mohamad Mroué, Amor Nafkha, Jacques Palicot, Benjamin Gavalda, Nelly Dagorne

“…This problem can result in large performance degradation due to the nonlinearity of the High Power Amplifier (HPA) or in its low power efficiency. …”
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Multiplicity of Solutions for a Class of Elliptic Problem of p-Laplacian Type with a p-Gradient Term by Zakariya Chaouai, Soufiane Maatouk

“…Here, the main difficulty is that the nonlinearity term considered does not satisfy Ambrosetti and Rabinowitz condition. …”
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Plasma Parameters Effects on Dust Acoustic Solitary Waves in Dusty Plasmas of Four Components by Abeer A. Mahmoud, Essam M. Abulwafa, Abd-alrahman F. Al-Araby, Atalla M. Elhanbaly

“…The used reductive perturbation stretches lead to the nonlinear KdV and modified KdV equations with nonlinear and dispersion coefficients that depend on the parameters of the plasma. …”
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THE ALGORITHM FOR CORRECTING A MODE OF THE POWER SUPPLY SYSTEM THAT TAKES THE TRANSFORMATIONS AND HETEROGENEITY OF THE NETWORK INTO ACCOUNT by O. I. Alexandrov

“…Its complexity is due to the dynamics and nonlinearity of equations of state of an electrical network, recorded as related to node voltages, and also due to multiply connected network elements. …”
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Texts as Hypergraphs: An Intuitive Representation of Interpretations of Text by Elli Bleeker, Ronald Haentjens Dekker, Bram Buitendijk

“…In the present contribution, we illustrate the benefits of TAG’s hypergraph for the modeling of features like nonlinearity, discontinuity, and overlap. In contrast to a tree model, a hypergraph accommodates these nonhierarchical structures naturally. …”
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An SDP Characteristic Information Fusion-Based CNN Vibration Fault Diagnosis Method by Xiaoxun Zhu, Jianhong Zhao, Dongnan Hou, Zhonghe Han

“…This study proposes a symmetrized dot pattern (SDP) characteristic information fusion-based convolutional neural network (CNN) fault diagnosis method to resolve issues of high complexity, nonlinearity, and instability in original rotor vibration signals. …”
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Improving the Machine Learning Stock Trading System: An N-Period Volatility Labeling and Instance Selection Technique by Young Hun Song, Myeongseok Park, Jaeyun Kim

“…Additionally, an instance‐selection technique is utilized to address the limitations of stock data, including noise, nonlinearity, and complexity, while effectively reducing the data size. …”
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Pentagonal fuzzy fractional three-stage sustainable transportation network problem incorporating extension principle by B. Baranidharan, Gunji Bala Murali, Zechun Cao, G.S. Mahapatra

“…This solution approach considers the nonlinearity of the objective function by utilizing the Charnes-Cooper transformation technique for the problem. …”
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Application of New Technology of Intelligent Robot Plant Protection in Ecological Agriculture by Zhe An, Chunhang Wang, Bincy Raj, Sathyapriya Eswaran, R. Raffik, Sandip Debnath, Saima Ahmed Rahin

“…Plant protection robots are characterized by complexity, constraint, and nonlinearity. In order to improve the accuracy and reliability of plant protection robots in agricultural job path planning, we propose a path planning method for agricultural plant protection robots based on a nonlinear algorithm. …”
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Backstepping Sliding Mode Control Algorithm for Unmanned Aerial Vehicles Based on Fractional-Order Theory by Yanzhu Zhang, Bo Zhuang, Chunhao Ma, Cheng Zhang

“…This paper combines the fractional-order calculus theory with the backstepping sliding mode control algorithm, using the backstepping control to compensate for the nonlinearity of the system and the fractional-order theory to eliminate the jitter brought about by the sliding mode control, and proposes a new fractional-order backstepping sliding mode control strategy for the trajectory tracking control of the quadrotor UAV. …”
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Performance Characteristics of Cemented Tailings Containing Crumb Rubber as a Filling Material by Zhuoqun Yu, Nan Qin, Sa Huang, Jianguang Li, Yongyan Wang

“…The inclusion of crumb rubber increased the failure strain and nonlinearity index of the cemented tailings. It was found that the addition of 4% crumb rubber provided the greatest improvement in ductility. …”
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A Hybrid Approach by Integrating Brain Storm Optimization Algorithm with Grey Neural Network for Stock Index Forecasting by Yanqiu Sun

“…However, due to the inherent large volatility, high noise, and nonlinearity of the stock index, stock index forecasting has been a challenging task for a long time. …”
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