Application of Escape Discrete Differential Evolution Algorithm in Optimal Design of Gear Transmission by Che Linxian, Yi Jian, He Bing

“…According to the equivalent mapping relation of decision variables,the constrained discrete optimization problems for gear transmission design are transformed into nonlinear constrained non- negative integer programming problems（ CNIPPs） and a discrete differential evolution（ DDE） algorithm is used to solve these problems. …”
Get full text

Ballistic Penetration of Small-Caliber Bullet in Double-Arrow Honeycomb Core Structures with Negative Poisson’s Ratio by LIU Yangzuo, XU Cheng, MA Wuning, REN Jie, ZHANG Zhendong

“…For the same honeycomb sandwich structure, there is a nonlinear relationship between the initial velocity of the bullet and the structural kinetic energy absorption rate. …”
Get full text

Development of Epoxy-Polyester Composite with Improved Thermophysical Properties for Restoration of Details of Sea and River Transport by A. Buketov, M. Brailo, S. Yakushchenko, A. Sapronova

“…It was found that introducing the polyester resin into the epoxy oligomer in quantity of q = 10 mas.fr. leads to improving the Martens thermal resistance of the material to the T = 352 K and decreasing the linear shrinkage to the Δl = 0.06%. The nonlinear dependence of the TCLE on the temperature was confirmed, and the tendency of changes in their values, depending on the content of polyester resin, was defined. …”
Get full text

Inequality and Total Effect Summary Measures for Nominal and Ordinal Variables by Trenton D. Mize, Bing Han

“…The added benefits of our methods are both intuitive and substantively meaningful effect size metrics and approaches that can be applied across a wide range of models, including linear, nonlinear, categorical, multilevel, longitudinal, and more.…”
Get full text

Numerical Study on Tsunami Hazard Mitigation Using a Submerged Breakwater by Taemin Ha, Jeseon Yoo, Sejong Han, Yong-Sik Cho

“…In this study, a numerical model using a large eddy simulation is employed to predict the runup heights of nonlinear waves that passed a submerged structure in the surf zone. …”
Get full text

Assessment of Stone Columns as a Mitigation Technique of Liquefaction-Induced Effects during Italian Earthquakes (May 2012) by Davide Forcellini, Angelo Marcello Tarantino

“…The study is based on the use of a FE computational interface able to analyse the earthquake-induced three-dimensional pore pressure generation adopting one of the most credited nonlinear theories in order to assess realistically the displacements connected to lateral spreading.…”
Get full text

Mining Key Skeleton Poses with Latent SVM for Action Recognition by Xiaoqiang Li, Yi Zhang, Dong Liao

“…The advantage of our method is resisting against intraclass variation such as noise and large nonlinear temporal deformation of human action. We evaluate the proposed approach on three benchmark action datasets captured by Kinect devices: MSR Action 3D dataset, UTKinect Action dataset, and Florence 3D Action dataset. …”
Get full text

Hybrid Adaptive Pinning Control for Function Projective Synchronization of Delayed Neural Networks with Mixed Uncertain Couplings by T. Botmart, N. Yotha, P. Niamsup, W. Weera

“…The function projective synchronization of this model via hybrid adaptive pinning controls and hybrid adaptive controls, composed of nonlinear and adaptive linear feedback control, is further investigated in this study. …”
Get full text

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. …”
Get full text

Gas Chromatography-Ion Mobility Spectrometry Detection of Odor Fingerprint as Markers of Rapeseed Oil Refined Grade by Tong Chen, Xingpu Qi, Mingjie Chen, Bin Chen

“…In this work, gas chromatography-ion mobility spectrometry (GC-IMS) was used to analyze the volatile organic compound changes of rapeseed oil with different refined grades, the odor fingerprints of refined rapeseed oil were constructed, and a nonlinear model was built to realize rapid and accurate discrimination of rapeseed oil with different refined grades. 124 rapeseed oil samples with different refined grades were collected and analyzed by GC-IMS and chemometric tools, and 34 characteristic peaks were selected by the colorized difference method as variables to characterize the internal quality in rapeseed oil of different refined grades. …”
Get full text

Research on Aircraft Attitude Control Method Based on Linear Active Disturbance Rejection by Zhiguo Song, Changjian Zhao, Huiqiang Zhang, Tian Dong, Aojia Ma, Dawei Yan

“…Firstly, based on the nonlinear dynamic model of aircraft, the control system model with inner loop as angular velocity and outer loop as attitude angle is established. …”
Get full text

Numerical Analysis of Horizontal Impact Resistance of Rock Socketed Pile with Steel Casing by Xiaolong Zhang, Lunliang Duan, Duoyin Wang

“…Based on a Wharf project in Chongqing, this paper carries out experimental research and nonlinear finite element analysis on the impact resistance of steel casing rock socketed pile of inland river frame Wharf under horizontal impact load. …”
Get full text

A Float-Path Theory and Its Application to the Time-Cost Tradeoff Problem by Zhi-xiong Su, Jian-xun Qi, Han-ying Wei

“…We discussed applications of the float-path theory and applied it to solve the time-cost tradeoff problem (TCTP), especially the nonlinear and discrete versions. We proposed a simplification from an angle of path as a preprocessing technique for the TCTP. …”
Get full text

Stability of Reinforced Concrete Columns Subjected to Compression with Torsion under Accidental Action by V. I. Kolchunov, S. Yu. Savin, M. A. Amelina

“…For the purposes of the study, an analytical solution is used for reinforced concrete bars, which takes into account the change in stiff-ness under the combined action of axial compressive force and torque, considering the nonlinear relationship between stresses and strains according to Model Code and the change in strength and deformability of concrete under complex stress-strain state according to the model of G.A. …”
Get full text

Dropping Shock Characteristics of the Suspension Cushioning System with Critical Components by Hui Li, Anjun Chen, Ningning Duan

“…Dimensionless dropping shock dynamic equations of suspension nonlinear packaging system with critical components were obtained. …”
Get full text

Experiment and Numerical Simulation on Creep Mechanical Behaviors of Mudstone under Unloading Condition by Xudong Feng

“…When the axial stress is higher than the yield strength of the rock mass, the rock mass enters the tertiary creep stage (which is characterized by large deformation and instability failure in a short period of time). An improved nonlinear viscoelastic-plastic rock creep model, which can simulate three creep stages, is established (well verified). …”
Get full text

Firing propagation in empirical cognitive networks of human brain by Dehua Chen, Ruohua Gao, Zhiyin Yang, Siyu Huo, Zonghua Liu

“…Understanding the physical mechanisms of brain functions has always been a challenging problem in the fields of nonlinear dynamics and network science. A promising approach to address this problem is by studying signal propagation on brain cognitive networks. …”
Get full text

A Study on the Dynamic Behaviour of Lightweight Gears by Shadi Shweiki, Antonio Palermo, Domenico Mundo

“…A one-Degree-of-Freedom (DOF) model of a mechanical oscillator with clearance-type nonlinearity and linear viscous damping is used to perform the investigations. …”
Get full text

Seismic Behavior Analysis of Damaged Steel Fiber-Reinforced High-Strength Concrete Frame Joints Strengthened by FRP by Wang Tingyan, Zhou Yun, Zhang Junwei

“…In this paper, the seismic behavior of fiber-reinforced polymer (FRP) strengthened and unstrengthened steel fiber-reinforced high-strength concrete frame joints under low cyclic loading was tested. Then, the nonlinear finite element program was used to simulate the seismic behavior of FRP strengthened and unstrengthened steel fiber-reinforced high-strength concrete frame joints under low cyclic repeated load. …”
Get full text

Numerical Optimization Method and Experimental Verification of Contact Strength of U-Joint Bearings by Niu Jie, Ye Lianqiang, Dong Xiaozhong, Gao Tianfen, Gu Fuxiang

“…The optimization results show that the contact stress of the needle roller bearing is reduced by 18.4%, the minimum test life of the U-joint bearing is increased by 28.6%, and the maximum test life is increased by 61%, indicating the nonlinear relationship between the life of the U-joint needle roller bearing and the structural parameters, and also show the correctness of the optimization model and analysis scheme of U-joint contact strength. …”
Get full text