Torque Prediction In Deep Hole Drilling: Artificial Neural Networks Versus Nonlinear Regression Model by Ngoc Hung- Chu, Hoai Nam- Nguyen, Van Du- Nguyen, Dang Binh- Nguyen

“…The discontinuous chip evacuation process makes the cutting force signal strongly nonlinear and random, making it difficult to predict accurately. …”
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An Efficient Family of Optimal Eighth-Order Iterative Methods for Solving Nonlinear Equations and Its Dynamics by Anuradha Singh, J. P. Jaiswal

“…The prime objective of this paper is to design a new family of optimal eighth-order iterative methods by accelerating the order of convergence of the existing seventh-order method without using more evaluations for finding simple root of nonlinear equations. Numerical comparisons have been carried out to demonstrate the efficiency and performance of the proposed method. …”
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Iterative Analytical Solutions for Nonlinear Two-Phase Flow with Gas Solubility in Shale Gas Reservoirs by Xiaoji Shang, J. G. Wang, Zhizhen Zhang

“…This nonlinearity is usually ignored or approximated in order to obtain analytical solutions. …”
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Exact Solutions and Conservation Laws of a (2+1)-Dimensional Nonlinear KP-BBM Equation by Khadijo Rashid Adem, Chaudry Masood Khalique

“…In this paper, we study the two-dimensional nonlinear Kadomtsov-Petviashivilli-Benjamin-Bona-Mahony (KP-BBM) equation. …”
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A Novel Highly Nonlinear Quadratic System: Impulsive Stabilization, Complexity Analysis, and Circuit Designing by Arthanari Ramesh, Alireza Bahramian, Hayder Natiq, Karthikeyan Rajagopal, Sajad Jafari, Iqtadar Hussain

“…This work introduces a three-dimensional, highly nonlinear quadratic oscillator with no linear terms in its equations. …”
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Nonlinear radiative and mixed convective flow of an Eyring-Powell fluid with Joule heating and entropy optimization by S. Naz, T. Hayat, S. Momani

“…Here nonlinear mixed convective flow of magnetized Eyring-Powell fluid is addressed. …”
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Bi-level data-driven enterprise-wide optimization with mixed-integer nonlinear scheduling problems by Hasan Nikkhah, Zahir Aghayev, Amir Shahbazi, Vassilis M. Charitopoulos, Styliani Avraamidou, Burcu Beykal

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On the Bivariate Spectral Homotopy Analysis Method Approach for Solving Nonlinear Evolution Partial Differential Equations by S. S. Motsa

“…The applicability of the new approach has been demonstrated by application on several examples of nonlinear evolution PDEs, namely, Fisher’s, Burgers-Fisher’s, Burger-Huxley’s, and Fitzhugh-Nagumo’s equations. …”
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Stability Analysis of a Multigroup Epidemic Model with General Exposed Distribution and Nonlinear Incidence Rates by Ling Zhang, Jingmei Pang, Jinliang Wang

“…We investigate a class of multigroup epidemic models with general exposed distribution and nonlinear incidence rates. For a simpler case that assumes an identical natural death rate for all groups, and with a gamma distribution for exposed distribution is considered. …”
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Intelligent back-propagated neural networks to study nonlinear heat transfer in tangent-hyperbolic fluids by Muhammad Asif Zahoor Raja, Huma Tayyab, Aamna Muskan Malik, Qazi Mahmood Ul Hassan, Kottakkaran Sooppy Nisar, Muhammad Shoaib

“…The numerical solutions for the nonlinear fluid dynamics system were considered to reduce mean square error. …”
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Predicting nonequilibrium Green’s function dynamics and photoemission spectra via nonlinear integral operator learning by Yuanran Zhu, Jia Yin, Cian C Reeves, Chao Yang, Vojtěch Vlček

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Optimal Robust Adaptive Fuzzy H∞ Tracking Control without Reaching Phase for Nonlinear System by El Mehdi Mellouli, Siham Massou, Ismail Boumhidi

“…An optimal H∞ tracking-based indirect adaptive fuzzy controller for a class of perturbed uncertain affine nonlinear systems without reaching phase is being developed in this paper. …”
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A New Jarratt-Type Fourth-Order Method for Solving System of Nonlinear Equations and Applications by Moin-ud-Din Junjua, Saima Akram, Nusrat Yasmin, Fiza Zafar

“…Solving systems of nonlinear equations plays a major role in engineering problems. …”
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Nonlinear Vibration Analysis of Tubing Strings in Underground Gas Storage Using Multiscale Wavelet Transform by Hang Yan, Yifei Yan, Xiangzhen Yan

“…The tubing string exposed to transient flow may undergo nonlinear vibration due to sudden change in pressure in conveying gas. …”
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Approximating Fixed Points and the Solution of a Nonlinear Fractional Difference Equation via an Iterative Method by Faizan Ahmad Khan

“…Finally, the solution of a nonlinear fractional difference equation is approximated via the proposed iterative method. …”
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Multiple Nonlinear Oscillations in a 𝔻3×𝔻3-Symmetrical Coupled System of Identical Cells with Delays by Haijun Hu, Li Liu, Jie Mao

“…The individual cells are modelled by a scalar delay differential equation which includes linear decay and nonlinear delayed feedback. By analyzing the corresponding characteristic equations, the linear stability of the equilibrium is given. …”
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Existence and Decay Estimate of Global Solutions to Systems of Nonlinear Wave Equations with Damping and Source Terms by Yaojun Ye

“…The initial-boundary value problem for a class of nonlinear wave equations system in bounded domain is studied. …”
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Robust Distributed H∞ Filtering for Nonlinear Systems with Sensor Saturations and Fractional Uncertainties with Digital Simulation by Dong Liu, Guangfu Tang, Zhiyuan He, Yan Zhao, Hui Pang

“…This paper is concerned with the robust distributed H∞ filtering problem for nonlinear systems subject to sensor saturations and fractional parameter uncertainties. …”
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Boundary Value Problem for Nonlinear Implicit Generalized Hilfer-Type Fractional Differential Equations with Impulses by Abdelkrim Salim, Mouffak Benchohra, Jamal Eddine Lazreg, Gaston N’Guérékata

“…This article deals with some existence, uniqueness, and Ulam-Hyers-Rassias stability results for a class of boundary value problem for nonlinear implicit fractional differential equations with impulses and generalized Hilfer Fractional derivative. …”
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On New High Order Quasilinearization Approaches to the Nonlinear Model of Catalytic Reaction in a Flat Particle by S. S. Motsa, O. D. Makinde, S. Shateyi

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