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18 February 1985, Volume 4 Issue 1 Previous Issue    Next Issue

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The Macro and Micro Analysis of the Environmental Stress Field in Underground Building Gu Hengyue, AI Nanshan 1985, 4(1): 1-11.  Abstract ( )   PDF (3989KB) ( )   Related Articles | Metrics

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The Analytical Solution of an Eigenvalue Problem for Several Continual Linked Structures with Discrete Masses Liu Xingya, Yang Jinlin 1985, 4(1): 12-27.  Abstract ( )   PDF (903KB) ( )   With the help of the analytical solution of the eigenvalue problem of a string hung upon many points of bearing, a continue beam and a framework, this paper gives a description of how to construct the analytical expression of an eigenfunction and how to find out the orthogonal relationships and orthonormal condition of a system of eigenfunction for a continual linked structure. Related Articles | Metrics

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Pansystems Theory Philosophy of Science Intelligence Science and Hierarchy Principle Wu Xuemou 1985, 4(1): 28-35.  Abstract ( )   PDF (784KB) ( )   This paper introduces some simplified forms of mathematical transformations of pansystems relations, and discusses some problems concerning philosophy of science and intelligence. An important result obtained here is to establish a pansystems theory of transfield hierarchy principle. Related Articles | Metrics

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Nonlinear Characteristics for Planar Channeling Radiation of Positrons Luo Shiyu, Shao Mingzhu 1985, 4(1): 41-48.  Abstract ( )   PDF (504KB) ( )   This paper describes the motion behaviour of the planar channeled Particle reduced into hard spring oscillator by using Lindhard extented potential,and analyses the average radiation intensity and the spectral property for the planar Channeling radiation of positrons by means of 1-st and 2-nd kind of elliptic integral. The result shows that it is possible to take channeling radiation as a new γ-ray laser. Related Articles | Metrics

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The Estimation of Wave Spectrum by FFT Method Yang Bingzheng 1985, 4(1): 53-60.  Abstract ( )   PDF (502KB) ( )   This paper discusses in detail the estimation of sea wave spectrum by Fast Fourier Transform (FFT) method. It was calculated with FFT FORTRAN program on computer 441B-Ⅲ. The present paper deals with the following Problems:1. Collecting the wave records and analysising the Probabilistic Properties about x,D,σ,CvCs,Ce;2. Giving the test method of wave surface distribution and wave height distribution by Cs、Ce method and Colmogolof method respectively;3. Calculating the sea wave spectrum and Fourier Coefficient Cr acording to a series of equi-spaced data;4. Smoothing the sea wave spectrum by window function and estimating the confidence interval of the wave spectrum;5. Calculating wave properties from wave spectrum:H,T,ε. Finally, I present the formula of non-dimension sea wave speetrum and its values of parameters, and others. Related Articles | Metrics

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Method for Calculating Internal Forces of the Laterally Loaded Pile According to P-Y Curves Wang Huichu, Lu Ziai 1985, 4(1): 61-65.  Abstract ( )   PDF (292KB) ( )   According to P-Y Curves, difference-method is used to calculate the internal forces and deflections of laterally loaded pile in this paper. This method is to solve solutions directly, and needs not to find solutions of large-scale simultaneous equations. The computing examples indicate that the result computed in this method is in accordance with those in others. Related Articles | Metrics

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A Research of the Stress Calculation of Combined Lock Wall Zhou Don 1985, 4(1): 101-115.  Abstract ( )   PDF (1105KB) ( )   This report profoundly analyses (9)(10) the behaviours of combined lock wall and the methods of the stress calculation and proposes a calculation method by the curves in different cases(n=Er-s/Eω). Thus, the defect of liner relationship and A. Л, Mocnformula (with which the influence of the different(n) should have considered) is remedied, and the difficulty of stress calculation in engineering design for combined lock wall is settled as well. Related Articles | Metrics

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A Practical Way for Successively Applying Integration by Parts Chen Qingxuan 1985, 4(1): 122-128.  Abstract ( )   PDF (342KB) ( )   This paper introduces an innovation in making the form of evaluation process for integrals clearer and simpler. It will be proved convenient and reliable by the different examples worked. Related Articles | Metrics