搜索结果: 1-15 共查到“空间物理学 Structure”相关记录16条 . 查询时间(0.13 秒)
THE STUDY ON THE DURABILITY OF SUBMERGED STRUCTURE DISPLACEMENT DUE TO CONCRETE FAILURE
Durability Submerged Structure Displacement Concrete Failure
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2016/10/14
Concrete structures that exposed to marine environments are subjected to multiple deterioration mechanisms. An overview of the existing technology for submerged concrete, pressure resistant, concrete ...
DESIGN OF 3D TOPOLOGICAL DATA STRUCTURE FOR 3D CADASTRE OBJECTS
3D topology data structure TEN 3D cadastre modelling
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2016/10/14
This paper describes the design of 3D modelling and topological data structure for cadastre objects based on Land Administration Domain Model (LADM) specifications. Tetrahedral Network (TEN) is select...
CHANGES IN THE URBAN SPATIAL STRUCTURE OF THE GREATER CAIRO METROPOLITAN AREA, EGYPT
Greater Cairo pixel-based and object-based classifications land use/land cover (LU/LC) change detection analysis
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2014/5/9
Since the 1980s, rapid population growth and urbanization have become issues in big cities like Greater Cairo (GC). As a consequence of explosive growth, the living conditions of Cairo Metropolis dete...
Structure function measurements of the intermittent MHD turbulent cascade
Structure function measurements intermittent MHD turbulent cascade
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2009/11/13
The intertmittent nature of turbulence within solar wind plasma has been demonstrated by several studies of spacecraft data. Using magnetic field data taken in high speed flows at high heliographic la...
Turbulence:mechanics and structure of anomalous scaling
Turbulence mechanics structure anomalous scaling
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2009/11/12
As the finite correlation time of a force driving turbulence is taken into account, a new, dimensionless parameter occurs in the theory of turbulence. This new parameter is responsible for two differe...
Electrostatic shock properties inferred from AKR fine structure
Electrostatic shock properties AKR fine structure
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2009/11/11
The auroral kilometric radiation (AKR) consists of a large number of fast drifting elementary radiation events that have been interpreted as travelling electron holes resulting from the nonlinear evol...
Nonlinear equilibrium structure of thin currents sheets:influence of electron pressure anisotropy
Nonlinear equilibrium structure thin currents sheets electron pressure anisotropy
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2009/11/11
Thin current sheets represent important and puzzling sites of magnetic energy storage and subsequent fast release. Such structures are observed in planetary magnetospheres, solar atmosphere and are ex...
Multifractal structure of the large-scale heliospheric magnetic field strength fluctuations near 85AU
Multifractal structure magnetic field strength fluctuations 85AU
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2009/11/11
During 2002, the Voyager 1 spacecraft was in the heliosphere between 83.4 and 85.9AU (1AU is the mean distance from the Sun to Earth) at 34° N heliographic latitude. The magnetic field strength profil...
State dependent predictability:impact of uncertainty dynamics,uncertainty structure and model inadequacies
State dependent predictability uncertainty dynamics uncertainty structure model inadequacies
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2009/11/11
The implications of state dependent, finite time error growth has been studied using singular values in a chaotic 2-dimensional map. Earlier studies have demonstrated the superiority of the singular v...
Scaling collapse and structure functions:identifying self-affinity in finite length time series
Scaling collapse structure functions self-affinity finite length time series
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2009/11/11
Empirical determination of the scaling properties and exponents of time series presents a formidable challenge in testing, and developing, a theoretical understanding of turbulence and other out-of-eq...
Experimental study of nonlinear interaction of plasma flow with charged thin current sheets:1.Boundary structure and motion
nonlinear interaction plasma flow thin current sheets Boundary structure
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2009/11/9
We study plasma transport at a thin magnetopause (MP), described hereafter as a thin current sheet (TCS), observed by Cluster at the southern cusp on 13 February 2001 around 20:01 UT. The Cluster obse...
Investigating turbulent structure of ionospheric plasma velocity using the Halley SuperDARN radar
turbulent structure ionospheric plasma velocity Halley SuperDARN radar
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2009/11/3
We present a detailed analysis of the spatial structure of the ionospheric plasma velocity in the nightside F-region ionosphere, poleward of the open-closed magnetic field line boundary (OCB), i.e. in...
Structure function analysis and intermittency in the atmospheric boundary layer
Structure function analysis intermittency atmospheric boundary layer
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2009/11/2
Data from the SABLES98 experimental campaign (Cuxart et al., 2000) have been used in order to study the relationship of the probability distribution of velocity increments (PDFs) to the scale and the ...
Structure functions and intermittency in ionospheric plasma turbulence
Structure functions intermittency ionospheric plasma turbulence
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2009/11/2
Low frequency electrostatic turbulence in the ionospheric E-region is studied by means of numerical and experimental methods. We use the structure functions of the electrostatic potential as a diagnos...
The stochastic multiplicative cascade structure of deterministic numerical models of the atmosphere
stochastic multiplicative cascade structure deterministic numerical models atmosphere
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2009/10/30
By direct statistical analysis we show that over almost all their range of scales and to within typically better than ±1%, atmospheric fields obtained from analyses and numerical integrations of atmos...