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Nonlinear Analysis of the Solutions of the Hasegawa-Wakatani Equations
Hasegawa Wakatani equations centre manifold theory nonlinear ordinary differential equations
2011/8/22
Abstract: The Hasegawa-Wakatani models are used in the study of confinement of hot plasmas with externally imposed magnetic fields. The nonlinear terms in the Hasegawa-Wakatani models complicate the a...
Geometric and material nonlinear analysis of tensegrity structures
Nonlinear analysis Tensegrity structures Geometric nonlinearity Material nonlinearity Large displacements
2012/2/28
A numerical method is presented for the large deflection in elastic analysis of tensegrity structures including both geometric and material onlinearities. The geometric nonlinearity is considered base...
We study the differential equations of lumped-parameter models of spacecraft thermal control. Firstly, we consider a satellite model consisting of two isothermal parts (nodes): an outer part that abso...
Nonlinear Analysis of Reinforced Concrete Frames by a Combined Method
Nonlinear Analysis Combined Method
2010/3/5
A more realistic and hence nonlinear analysis of reinforced concrete structures is becoming increasingly important. A combination of the displacement method, the transfer matrix method, and a cross-se...
Nonlinear analysis of magnetospheric data Part II. Dynamical characteristics of the AE index time series and comparison with nonlinear surrogate data
Nonlinear analysis magnetospheric data Dynamical characteristics AE index time series
2009/11/13
In this study we have used dynamical characteristies such as Lyapunov exponents, nonlinear dynamic models and mutual information for the nonlinear analysis of the magnetospheric AE index time series. ...
Nonlinear analysis of magnetospheric data Part I. Geometric characteristics of the AE index time series and comparison with nonlinear surrogate data
Nonlinear analysis magnetospheric data Geometric characteristics AE index time series
2009/11/13
A long AE index time series is used as a crucial magnetospheric quantity in order to study the underlying dynainics. For this purpose we utilize methods of nonlinear and chaotic analysis of time serie...
Nonlinear analysis of magnitude and interevent time interval sequences for earthquakes of the Caucasian region
Nonlinear analysis interevent time interval sequences earthquakes of the Caucasian region
2009/11/12
It is well known that lithospheric seismic processes are characterized by self-similarity or scale invariance in terms of earthquake-size, time, space and space-time distributions, although precise de...
Nonlinear Analysis of Planar Frames with Semi-rigid Connections and Rigid End Parts
Rigid end part nonlinear analysis semi-rigid connection planar frame stability
2009/10/13
In this study, nonlinear analysis of planar frames with semi-rigid connections and rigid end parts is performed. Sti ness influence coecients in the shear wall axis of the beam connected to the shear...
A Multi-Step Linear Approximation Method for Nonlinear Analysis of Stress and Deformation of Coated Plain-Weave Fabric
Coated plain-weave fabric Material nonlinear analysis Multi-step linear approximation
2009/5/5
The elastic constants are approximately determined using a multi-step linear approximation method for more accurate material nonlinear analysis of coated fabric membrane structures. The approximate ...
Weakly nonlinear analysis of the Hamilton-Jacobi-Bellman equation arising from pension savings management
Hamilton–Jacobi–Bellman equation weakly nonlinear analysis
2010/11/1
The main purpose of this paper is to analyze solutions to a fully nonlinear parabolic equation arising from the problem of optimal portfolio construction. We show how the problem of optimal stock to b...
Unified approach to catastrophic events:from the normal state to geological or biological shock in terms of spectral fractal and nonlinear analysis
catastrophic events normal state geological or biological shock nonlinear analysis
2009/12/29
An important question in geophysics is whether earthquakes (EQs) can be anticipated prior to their occurrence. Pre-seismic electromagnetic (EM) emissions provide a promising window through which the d...
Nonlinear analysis of EEG signals at different mental states
Nonlinear analysis EEG signals different mental states
2010/3/1
It is found that the measures are significantly lower when the subjects are under sound or reflexologic stimulation as compared to the normal state. The dimension increases with the degree of the cogn...