Application of Daftardar Jafari Method to First Grade MHD Squeezing Fluid Flow in a Porous Medium with Slip Boundary Condition by Inayat Ullah, M. T. Rahim, Hamid Khan

“…The governing equations are transformed to a single nonlinear boundary value problem. Daftardar Jafari Method (DJM) is used to solve the problem in order to obtain the velocity profile of the fluid. …”
Get full text

HEMT Noise Modeling for D Band Low Noise Amplifier Design by Ao Zhang, Jianjun Gao

“…An improved EEHEMT nonlinear model with noise model has been developed in this paper. …”
Get full text

On ψ-Caputo Partial Hyperbolic Differential Equations with a Finite Delay by Mohammed S. Abdo, Mohammed Zakarya, Emad E. Mahmoud, Saeed M. Ali, Abdel-Haleem Abdel-Aty

“…To be precise, we investigate the existence and uniqueness results based on the nonlinear alternative of the Leray-Schauder type and Banach contraction mapping. …”
Get full text

Bargmann Type Systems for the Generalization of Toda Lattices by Fang Li, Liping Lu

“…Under a constraint between the potentials and eigenfunctions, the nonlinearization of the Lax pairs associated with the discrete hierarchy of a generalization of the Toda lattice equation is proposed, which leads to a new symplectic map and a class of finite-dimensional Hamiltonian systems. …”
Get full text

Liouville Theorem for Some Elliptic Equations with Weights and Finite Morse Indices by Qiongli Wu, Liangcai Gan, Qingfeng Fan

“…We establish the nonexistence of solution for the following nonlinear elliptic problem with weights: -Δu=(1+|x|α)|u|p-1u in RN, where α is a positive parameter. …”
Get full text

Association between weight-adjusted-waist index and long-term prognostic outcomes in cardiovascular disease patients: results from the NHANES 1999–2018 study by Hanbin Li, Wen Zhong, Hongxin Cheng, Shiqi Wang, Ran Li, Lu Wang, Chengqi He, Quan Wei

“…The risk of all-cause mortality increased with WWI and showed a linear association in patients with congestive heart failure, heart attack (P-overall < 0.05, P − nonlinear > 0.05); WWI was nonlinearly associated with the risk of all-cause mortality in patients with coronary heart disease and angina (P-overall < 0.05, P − nonlinear < 0.05). …”
Get full text

On p-Hybrid Wardowski Contractions by Erdal Karapınar, Hassen Aydi, Andreea Fulga

Get full text

Risk Balancing of Cold Ischemic Time against Night Shift Surgery Possibly Reduces Rates of Reoperation and Perioperative Graft Loss by Nikos Emmanouilidis, Julius Boeckler, Bastian P. Ringe, Alexander Kaltenborn, Frank Lehner, Hans Friedrich Koch, Jürgen Klempnauer, Harald Schrem

“…ORs for DGF were plotted against CIT and a nonlinear regression function with best R2 was identified. …”
Get full text

Retrieval of Atmospheric CO2 and CH4 Variations Using Ground-Based High Resolution Fourier Transform Infrared Spectra by Tian Yuan, Liu Cheng, Sun You Wen, Xie Pin Hua, Wang Wei, Liu Wen Qing, Liu Jian Guo, Li Ang, Hu Ren Zhi, Zeng Yi

“…The inversion algorithm is based on the nonlinear iterative and nonlinear least squares spectral fitting, which is used to obtain VCDCO2 and VCDCH4 (which represent vertical column density of CO2 and CH4, resp.). …”
Get full text

An Updating Method for Finite Element Models of Flexible-Link Mechanisms Based on an Equivalent Rigid-Link System by R. Belotti, R. Caracciolo, I. Palomba, D. Richiedei, A. Trevisani

“…Model updating is not straightforward since the resulting model is nonlinear and its coordinates cannot be directly measured. …”
Get full text

Analysis of water based Casson hybrid nanofluid (NiZnFe2O4+MnZnFe2O4) flow over an electromagnetic actuator with Cattaneo–Christov heat-mass flux: A modified Buongiorno model by S. Baskaran, R. Sowrirajan, S. Divya, S. Eswaramoorthi, K. Loganathan

“…Using suitable variables, the governing coupled nonlinear partial differential equations are transformed into ordinary differential equations, which are solved using MATLABs bvp4c solver. …”
Get full text

Robust <inline-formula><tex-math notation="LaTeX">$H_\infty$</tex-math></inline-formula> Fault-Tolerant Observer-Based PID Path Tracking Control of Autonomous Ground Vehicle With C... by Bor-Sen Chen, Hao-Ting Liu, Ruei-Syuan Wu

“…To simplify the design procedure, a novel path reference-based feedforward linearization scheme is proposed to transform nonlinear dynamic AGV system to an equivalent linear tracking error system with nonlinear actuator signal. …”
Get full text

Features and Constitutive Model of Gypsum’s Uniaxial Creep Damage considering Acidization by Wei Chen, Wen Wan, Senlin Xie, Wenlong Kuang, Wenqing Peng, Qiuhong Wu, Shasha Tong, Xianqing Wang, Xiaoyu Tang

“…Due to the rapid increase, the surfaces of the samples are almost like “holes”. (3) A new nonlinear creep constitutive model was established by connecting Burgers model with nonlinear viscoplastic body (NVPB) model in series, which can well describe the creep characteristics of gypsum rocks under acid corrosion.…”
Get full text

Active Components Based on Dynamic Negatrons by Pavlo Molchanov, Arun K. Mishra, Helen Linnik, Pavlo Mulyar

“…Parameters, which characterize non-linear mode of dynamic transistor negatrons, are derived. Nonlinear equivalent circuit and Volterra series are used to calculate parameters of negatrons. …”
Get full text

Delta-Nabla Type Maximum Principles for Second-Order Dynamic Equations on Time Scales and Applications by Jiang Zhu, Dongmei Liu

“…By using these maximum principles, the uniqueness theorems of the solutions, the approximation theorems of the solutions, the existence theorem, and construction techniques of the lower and upper solutions for second-order linear and nonlinear initial value problems and boundary value problems on time scales are proved, the oscillation of second-order mixed delat-nabla differential equations is discussed and, some maximum principles for second order mixed forward and backward difference dynamic system are proved.…”
Get full text

Stability and Bifurcation Analysis of a Three-Dimensional Recurrent Neural Network with Time Delay by Yingguo Li

“…We consider the nonlinear dynamical behavior of a three-dimensional recurrent neural network with time delay. …”
Get full text

On calculation of the relative index of a fixed point in the nondegenerate case by A. V. Guminskaya, P. P. Zabreiko

“…The paper is devoted to the calculation of the index of a zero and the asymptotic index of a linear completely continuous nonnegative operator. Also the case of a nonlinear completely continuous operator A whose domain and image are situated in a closed convex set Q of a Banach space is considered. …”
Get full text

Iterative Reproducing Kernel Method for Solving Second-Order Integrodifferential Equations of Fredholm Type by Iryna Komashynska, Mohammed AL-Smadi

“…We present an efficient iterative method for solving a class of nonlinear second-order Fredholm integrodifferential equations associated with different boundary conditions. …”
Get full text

Dual Approximate Solutions of the Unsteady Viscous Flow over a Shrinking Cylinder with Optimal Homotopy Asymptotic Method by Vasile Marinca, Remus-Daniel Ene

“…The unsteady viscous flow over a continuously shrinking surface with mass suction is investigated using the optimal homotopy asymptotic method (OHAM). The nonlinear differential equation is obtained by means of the similarity transformation. …”
Get full text

Notes on the Hermitian Positive Definite Solutions of a Matrix Equation by Jing Li, Yuhai Zhang

“…The nonlinear matrix equation, X-∑i=1mAi*XδiAi=Q, with -1≤δi<0 is investigated. …”
Get full text