scholarly journals 油气悬架车辆振动非线性特性分析与仿真研究Nonlinear Characteristics Analysis and Simulation on Vibration for Vehicle with Hydro-Pneumatic Suspensions

2013 ◽  
Vol 02 (04) ◽  
pp. 31-37
Author(s):  
丁 继斌
Keyword(s):  
Nonlinear Characteristics ◽  
Characteristics Analysis

scholarly journals Nonlinear Characteristics Analysis of Eccentric Rotor System Based on FEM

2020 ◽  
pp. 235-244
Author(s):  
Choluk Ri ◽  
Chunghyok Chae ◽  
Kwanggyun Sin ◽  
Yongil Sin ◽  
Kwangil Ri ◽  
...  
Keyword(s):  
Mathematical Modeling ◽  
Nonlinear Dynamics ◽  
Rotor Dynamics ◽  
Rotor System ◽  
Ansys Software ◽  
Nonlinear Characteristics ◽  
Double Support ◽  
Eccentric Rotor ◽  
Characteristics Analysis ◽  
The Relationship

In this paper, based on the theory of rotor dynamics, the nonlinear dynamics of a rotor system with an eccentric rotor is analyzed. Taking the double-support rotor system with a single turntable as the object, the mathematical modeling method of the rotor system with an eccentric rotor and the rotation analysis of the turntable are analyzed in detail. According to ANSYS software, the influence of eccentricity on the rotor system and the relationship between eccentricity and nonlinearity are analyzed.

Impedance Characteristics Analysis of the Non-Contact Magnetic Type Position Sensor

2008 ◽  
Vol 128 (11) ◽  
pp. 435-441
Author(s):  
Seung-ho Yang ◽  
Katsuhiro Hirata ◽  
Tomohiro Ota ◽  
Yoshio Mitsutake ◽  
Yoshihiro Kawase
Keyword(s):  
Position Sensor ◽  
Impedance Characteristics ◽  
Characteristics Analysis ◽  
Magnetic Type

Laser Oscillation in Aggregates of Ultrasmall Si Nanoparticles

2002 ◽  
Vol 728 ◽  
Author(s):  
Munir H. Nayfeh
Keyword(s):  
Stimulated Emission ◽  
Gaussian Beams ◽  
Single Particles ◽  
Nonlinear Characteristics ◽  
Femtosecond Radiation ◽  
Highly Nonlinear ◽  
Line Narrowing ◽  
Si Nanoparticles ◽  
Speckle Patterns ◽  
Spectral Line Narrowing

AbstractWe dispersed electrochemically etched Si into ultrabright ultrasmall nanoparticles, with brightness higher than fluorescein or rhodamine. The emission from single particles is readily detectable. Aggregates or films of the particles exhibit emission with highly nonlinear characteristics. We observe directed blue beams at ∼ 410 nm between faces of aggregates excited by femtosecond radiation at 780 nm; and at ∼ 610 nm from aggregates of red luminescent Si nanoparticles excited by radiation at 550-570 nm from a mercury lamp. Intense directed Gaussian beams, a pumping threshold, spectral line narrowing, and speckle patterns manifest the emission. The results are analyzed in terms of population inversion and stimulated emission in quantum confinement-induced Si-Si dimer phase, found only on ultrasmall Si nanoparticles. This microlasing constitutes an important step towards the realization of a laser on a chip.

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