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检索条件："刊名=Communications in Nonlinear Science and Numerical Simulation "
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Two-parameter-dependent Drag Coefficient Over Sea Surface by Turbulent Modeling
《Communications in Nonlinear Science and Numerical Simulation》1999年第1期8-12,共5页Jiachun LI and Zifan ZHANG (Institute of mechanics, CAS, Beijing 100080, China) 
A new model accounting for both turbulence and sea state effects has been proposed in the current paper to describe momentum exchange through air-sea interface. While long wave components mainly change air flow profil...
关键词：air-sea interaction drag coefficient waveage 
Application and Comparison of Two SGS Models in Large Eddy Simulation of FreeTurbulent Jet Flow被引量：1
《Communications in Nonlinear Science and Numerical Simulation》1999年第1期12-19,共8页Hong YAN and Mingde SU (Department of Engineering Mechanics, Tsinghua University, Beijing 100084, China) 
Large eddy simulations of spatially evolved turbulent round jets were presented. The two SGS models called the standard Smagorinsky’s eddy viscosity model and the non-eddy viscosity stimulated small scale(SSS) model ...
关键词：stimulated small scale model smagorinsky's eddy viscosity model Round jet  Large eddy simulation 
Turbulent Gravity Current of Lock Release Type: A Numerical Study
《Communications in Nonlinear Science and Numerical Simulation》1999年第1期20-24,共5页G.Q.CHEN J.H.W.LEE 
The time evolution of a turbulent gravity current of lock release type, formed by a finite volume of homogenous fluid released instantaneously into another fluid of slightly lower density, is studied numerically via t...
关键词：turbulent flow gravity current numerical simulation 
Numerical Simulation of Nonlinear Radiation Water Surface Wave Caused by Large-Amplitude Oscillation of A Cylinder
《Communications in Nonlinear Science and Numerical Simulation》1999年第1期24-28,共5页Wuzhou HE (Department of Hydraulic Engineering, Tsinghua University, Beijing 100084, China) 
The BEM combined with the time-stepping scheme is employed in the nonlinear numerical simulation of the development process of radiation wave profile and hydrodynamic force caused by large amplitude oscillating cylind...
关键词：2-D water surface wave boundary element method time-stepping scheme 
The Real-gas Effect in Single-bubble Sonoluminescence
《Communications in Nonlinear Science and Numerical Simulation》1999年第1期29-34,共6页LiYUAN WeiWEI 等 
The full set of hydrodynamic equations governing the oscillation of a bubble is solved numerically by using a modified equation of state with ionization. We show that the hydro-thermal process in the form of compressi...
关键词：single-bubble sonoluminescence IONIZATION BREMSSTRAHLUNG 
The Absolute and Convective Secondary Instabilities in the Conduction Regime
《Communications in Nonlinear Science and Numerical Simulation》1999年第1期34-38,共5页Jianjun TAO and Dachun YAN (Dept. of Mechanics & Engineering Sciences,Peking University, Beijing 100871, China) 
Convective and absolute instabilities in the conduction regime of a vertical heated slot are investigated. It is found that in a large range of Prandtl number (0 < Pr < 2000) different instability mode has different c...
关键词：absolute instability convective instability conduction regime 
Effect of Material Property of Interply Film on the Delamination in Laminated Composites
《Communications in Nonlinear Science and Numerical Simulation》1999年第1期39-42,共4页Wei FENG and Qian HUANG (Shanghai institute of Applied Mathematics and Mechanics, Shanghai University, Shanghai 200072, China) 
The delamination is one of the main failure modes in laminated composites. In order to suppress and/or delay it, considerable research has been devoted to the reduction of the interlaminar stresses at the interfaces b...
关键词：laminated composite interply film stress concentration 
Free Boundary Problem of Non-steady State Seepage Flow被引量：1
《Communications in Nonlinear Science and Numerical Simulation》1999年第1期43-47,共5页Xiaoming GUO Ying SUN and Yinghe SHE (Departmant of Engineering Mechanics, Southeast University, Naming Z10096,China) E-mail: xmguo@seu.edu.cn 
Along with the vigorous developing construction, the number of various underground engineerings is greatly increasing. Such as: the foundations of dams and high- rise multistoried houses, subways and tunnels, water an...
关键词：SEEPAGE non-steady state  variational inequality 
Complexity Analysis and Its Application被引量：1
《Communications in Nonlinear Science and Numerical Simulation》1999年第1期48-50,共3页JiongRUAN WeiLIN 等 
In this paper, we introduce a nonlinear method named as "Complexity Analysis" by which we study the chaotic and other behavior in heart rate of the patients suffer from AMI, STSDS and VPB, or normal healthy subjects. ...
关键词：heart rate variability complexity nonlinear time series analysis 
The Existence of Periodic Orbits for Nonlinear Impulsive Differential Systems
《Communications in Nonlinear Science and Numerical Simulation》1999年第1期50-53,共4页Xilin FU Jiangang QI and Yansheng LIU (Department of Mathematics, Shandong Normal University, Jinan 250014, China) 
supported by the NNSF of P.R.China
In this paper, we gave the necessary and sufficient condition for the existence of the periodic solutions of nonlinear impulsive differential systems by using a special function and study the stable properties of such...
关键词：impulsive differential equation periodic orbit STABLE 
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