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根据波动理论
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  according to fluctuation theory
     According to fluctuation theory, considering soil nonlinearity, earthquake response spectrum answer is obtained. By using plane stratum earthquake response equivalent linearization program, earthquake response spectrum is calculated with different temperature and different overlay thickness on permafrost site and seasonal frozen soil site.
     根据波动理论考虑土体的非线性,得到地震反应谱的解答,应用求解水平层状场地地震反应谱的等效线性化程序,数值求解不同负温、不同覆盖层厚度多年冻土场地的地震加速度反应谱,季节冻土场地冬夏季地震加速度反应谱。
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  according to kinematic theory
     Mechanism and peculiarity of IP networks are fully analyzed. Expressions of density, speed and traffic are set up while phenomenon of congestion or jam of the flow is generated according to kinematic theory.
     充分分析 IP网络的机理和 IP网络的特点 ,根据波动理论 ,当网络出现拥挤或堵塞时建立了流的密度、速率和流量的关系式。
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  according to wave motion theory
     According to wave motion theory,finite element mesh size satisfying the needs of engineering calculating precision is relevant to the upper limit of frequency range of random(response) problems.
     根据波动理论,满足随机响应工程计算精度要求的有限元网格大小与待求高频随机响应问题的频率范围上限有关。
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  “根据波动理论”译为未确定词的双语例句
     Based on the wave theory, the propagation principle and frequency properhes of reflected wave in concrete piles are rescarched, some regularities and influence factors of interpreting frequency domain curves are analysed, and combining with some engineering examples the application and existent probletns of the analysis by frequency domain are discussed.
     根据波动理论探讨了反射波在砼桩中的传播原理及频率特性,分析了频域曲线判读中的一些基本规律和影响因素,并结合工程实例讨论了频域分析法的应用及存在的问题。
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     Based on the wave theory, some regularities and influence factors of the reflection wave in pile foundation are researched.
     根据波动理论探讨了反射波法在桩基检测中的规律和影响因素 分析了不同缺陷桩所对应的波形变化情况 ;
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     According to wave theory, wave equation is induced for migration.
     阐述了电磁波波动理论,根据波动理论,推导了用于偏移的波动方程。
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     The governing equation of system is derived on the basis of the linear wave theory. The analysis of responses in the frequency domain is used to illustrate the influences of the gravity of surface waves on the responses.
     根据波动理论,建立了相互作用体系在地震荷载作用下的运动方程,采用频域响应分析法,在考虑与不考虑自由表面重力波的情况下分析了水中圆柱体结构的反应。
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     Based on the theory,the propagation and attenuation laws and reflection characteristics of elastic wave in concrete piles are studied and the theoretical criterions for judging pile quality are proposed. By elastic wave reflection method, the basic principles of analytical method in time domain and frequency domain and problems existed in the method are discussed combined with some engineering examples.
     根据波动理论探讨了弹性波在砼桩中的传播衰减规律及反射特征,提出了判断桩基质量的有关理论依据,并结合工程实例应用弹性波反射法讨论了时域、频域分析法的基本原理及存在问题.
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    In this paper, the problem of hydrodynamic loads acting on the cylindrical foundation subjected to ground motion is studied in consideration of soil and fluid interaction. The governing equation of system is derived on the basis of the linear wave theory. The analysis of responses in the frequency domain is used to illustrate the influences of the gravity of surface waves on the responses.Finally the difference of the hydrodynamic water pressures and dynamic responses of the system between considering the soil-foundation...

    In this paper, the problem of hydrodynamic loads acting on the cylindrical foundation subjected to ground motion is studied in consideration of soil and fluid interaction. The governing equation of system is derived on the basis of the linear wave theory. The analysis of responses in the frequency domain is used to illustrate the influences of the gravity of surface waves on the responses.Finally the difference of the hydrodynamic water pressures and dynamic responses of the system between considering the soil-foundation interaction and foundation with rigid bast are also worked out througk a namerical example.

    本文主要对土-重力式平台沉箱基础-流体相互作用体系在地震荷载作用下沉箱基础上所受到的动水作用力的问题进行了研究。根据波动理论,建立了相互作用体系在地震荷载作用下的运动方程,采用频域响应分析法,在考虑与不考虑自由表面重力波的情况下分析了水中圆柱体结构的反应。最后在实例计算中,详细分析了土-结构相互作用对结构体系动水作用力的影响。

    Based on the wave theory and substructure approach, this paper presents a linear interaction model for the system of layered soil-vertical shaft-hoist tower, in which the Novak's impedance function of embeded footing was used. The natural periods of vibration in two directions of three real systems calculated by this model indicate good agreement with the measured results. The earthquake response of the system is analyzed in the frequency domain by the Fast Fourier Transform and the results are compared with...

    Based on the wave theory and substructure approach, this paper presents a linear interaction model for the system of layered soil-vertical shaft-hoist tower, in which the Novak's impedance function of embeded footing was used. The natural periods of vibration in two directions of three real systems calculated by this model indicate good agreement with the measured results. The earthquake response of the system is analyzed in the frequency domain by the Fast Fourier Transform and the results are compared with those of the systems on rigid-base.Based on the present paper, the computer program developed is quite efficient and has the advantage of saving storage.

    根据波动理论与子结构方法,本文对井塔结构的地震响应分析提出了新的计算模型与分析方法。该模型按照结构的实际受力状态取为层状地基土-竖井-井塔相互作用结构体系,其中对竖井及土体的作用采用Novak阻抗函数。将本文方法计算的结果与某地工程实测数据作了比较,表明本文所提出的计算模型与分析方法能够较为准确地反映该结构体系的受力状态。

    Based on the wavetheory, the paper expounds that the reinforcement of strong ram mer upon ground is the common function of transverse and longitudinal wave, and presents the theritical formulae of calculating influence depth, which is verified by the engineering example.

    本文根据波动理论,阐述了强夯对地基的加固机理是其产生的横波和纵波的共同作用;提出纵波决定其影响深度.在此基础上推导出了计算影响深度的理论公式,并通过一工程实例进行了验证.

     
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