Results 71 to 80 of about 701,548 (191)

Friction dynamics analysis of crossed beveloid gear with considering tooth surface topography

open access: yesAdvances in Mechanical Engineering
The contact surfaces of beveloid gears have different topography features due to different machining methods, manufacturing accuracies, and surface wear, and they are not always smooth.
Bing Dai   +3 more
doaj   +1 more source

Dynamic Behavior and Bifurcation Analysis of a Modified Reduced Lorenz Model

open access: yesMathematics
This study introduces a newly modified Lorenz model capable of demonstrating bifurcation within a specified range of parameters. The model demonstrates various bifurcation behaviors, which are depicted as distinct structures in the diagram.
Mohammed O. Al-Kaff   +4 more
doaj   +1 more source

Analysis on dynamics and load sharing characteristics of herringbone tooth planetary gear system

open access: yesJixie qiangdu
A bending-torsion-axis coupling dynamic model of herringbone tooth planetary gear transmission system under time-varying meshing stiffness, tooth-side clearance and bearing clearance, integrated meshing error and load excitation was established, and the ...
JIN ZhongWen
doaj  

Global Analysis of a Liénard System with Quadratic Damping

open access: yesDiscrete Dynamics in Nature and Society, 2018
In this paper, the global analysis of a Liénard equation with quadratic damping is studied. There are 22 different global phase portraits in the Poincaré disc.
Feng Guo
doaj   +1 more source

Study on the Stability and Entropy Complexity of an Energy-Saving and Emission-Reduction Model with Two Delays

open access: yesEntropy, 2016
In this paper, we build a model of energy-savings and emission-reductions with two delays. In this model, it is assumed that the interaction between energy-savings and emission-reduction and that between carbon emissions and economic growth are delayed ...
Jing Wang, Yuling Wang
doaj   +1 more source

Chaos and Control in Coronary Artery System

open access: yesDiscrete Dynamics in Nature and Society, 2012
Two types of coronary artery system N-type and S-type, are investigated. The threshold conditions for the occurrence of Smale horseshoe chaos are obtained by using Melnikov method.
Yanxiang Shi
doaj   +1 more source

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