Using step surface data for wave equation simulation of seismic data can produce serious interference at corner points of steps and further affect the results of numeric simulation.
利用阶梯状地表数据对地震记录进行波动方程模拟时,在阶梯的角点处会产生严重的干扰,进而影响数值模拟结果。
And the attenuation studies of seismic wave in the laboratory have provided studying base for the mechanism studies.
而实验室中对地震波衰减的研究为衰减机理提供了研究基础。
For complex heterogeneous medium, the distribution and characteristics of its heterogeneity can be studied by seismic scattering wave.
对于复杂非均匀介质,可以利用地震散射波来研究其分布和性质。
Wave equation method is one of the fundamental techniques for seismic modeling and imaging.
波动方程方法是地震模拟和成像的基本方法之一。
In this paper, control for seismic responses of Bridges under traveling wave excitation is performed using MR Dampers.
本文应用磁流变(MR)阻尼器对桥梁结构在行波激励下的地震反应进行控制。
With the help of model techniques, we can determine seismic velocity in porous media by accounting for viscous fluid effects on wave propagation.
借助模型技术,可以利用孔隙介质中粘滞流体对地震波传播速度的影响预测地震波传播速度,降低反演结果的不确定性。
The seismic wave impedance inversion technique is becoming an increasingly important tool in carrying out reservoir prediction for oil exploration and development.
地震波阻抗反演技术已日益成为油气藏勘探、开发中储集层横向预测的重要手段。
The key dominant facts of seismic wave input of time history analysis are discussed briefly in this paper, which are shown as reference for civil engineering designers.
本文简要论述了时程分析中地震波输入的一些关键控制因素,为土木工程设计人员提供参考。
Numerical modeling results for seismic wave propagating in rocks with random dis- tributed fractures using a staggered high-order finite-difference (SHOFD) are also presented.
最后,利用高阶的交错网格有限差分方法,我们模拟了地震波在具有随机分布裂缝岩石中的传播特征。
A method of seismic response analysis for long-span Bridges considering the synthetic effects of wave-traveling, topography and multi-support excitations is established.
提出一种综合考虑行波和地形影响的大跨结构在多点输入下的地震响应分析方法。
The early-stage judgement capability as dynamical characteristics of seismic wave are 75%, 55%-73%, 90% respectively for three types of earthquake sequences.
地震波动力学特征在上述三类地震序列的早期判断能力分别为75%、55%—73%、90%。
With the seismic wave recorded in Wenchuan earthquake as the input, the centre column of a typical metro station was simulated numerically by the software FLAC3D for its strong seismic responses.
将汶川地震时获得的地震波作为输入波,利用FLAC3D软件对软土典型地铁车站中柱进行强震响应的三维数值模拟。
A new analysis technique, called random wave analysis method, is developed for the random seismic response analysis of layered soil sites under SH wave excitation.
提出了SH波作用下层状土层地震反应分析的随机波动分析方法。
This paper presents the calculation method of external loadings for offshore drilling platforms induced by gravity, buoyancy, wind, wave, current and seismic force, and relative computer programs.
本文介绍了海上钻井平台由重力、浮力、风、波浪、潮流及地震力引起的外载荷计算方法,并编制了相应的计算程序。
Finite element method is an useful tool for modeling seismic wave in complex medium, it simulates seismic wave propagation quite realistically and displays seismic wave fields in quite detailed way.
有限元法是复杂介质地震模拟的有力工具,它能比较客观地反映地震波的传播过程,比较细致地再现地震图像。
The seismic wave lies the count for much parameter that the dissemination speed in the quality BE, in the seismic data processing that reach agreement to release in the underground rock strata.
地震波在地下岩层介质中的传播速度是地震资料数字处理和解释中的非常重要的参数。
It's difficult to deal with seismic acoustic forward modeling and seismic inversion for the absence of shear wave data usually.
在测井资料中,通常缺乏的就是横波资料,这给地震波正演模拟和地震反演都带来很大的困难。
Numerical simulation of seismic wave, which has an important role for researching the propagation of seismic wave in media, is the basis of seismic exploration.
地震波数值模拟是地震勘探的基本内容,对于认识和研究地震波在介质中的传播具有重要的作用。
Based on the finite element method and the theory of mode superposition, a quasi-static calculation method for the seismic response of rigid pile composite foundation under SV wave is presented.
针对竖向传播的SV波作用下刚性桩复合地基的动力反应,在振型分解反应谱法的理论基础上,提出一种基于有限元分析的拟静力方法。
The analysis also shows that the continuity of P-wave event on common receiver gather is superior to that on common shot gather for seismic data acquired by shooting in shot hole.
分析结果表明,对于井中激发的地震资料而言,共检波点道集上纵波同相轴的连续性优于共炮点道集上纵波同相轴的连续性。
Seismic velocity and wave impedance properties of brine lake formations are analyzed using 2d seismic data with high resolution factor, forward, inversion and forecasting method for model are studied.
利用高分辨率二维地震资料,分析了盐湖地层地震速度和波阻抗特点,并对模型进行了正、反演及预测方法研究。
However, wave field separation is one of the important steps for processing the multi-component seismic data.
波场分离是多波多分量地震资料处理的重要环节之一。
In terms of stress wave theory and complex function, analytical solution for the interaction between blasting seismic wave and arbitrary shape underground Chambers is deduced.
根据应力波理论和复变函数方法,建立了求解爆破地震波作用下任意形状洞室动态响应的解析方法。
A method for determining the velocity of seismic wave in two-dimensional medium is presented.
本文针对二维层状介质提出了一种识别地震波速度的新方法。
A simple method for wavelet simulation was presented. Shape and spectrum of the wave simulation are very similar to the known far -field wavelet. It can meet the need of Marine seismic exploration.
提出一种简单的子波模拟方法,由此得到子波的形态和频谱与已知远场子波相似,可以满足海上地震勘探的要求。
The seismic wave oscillating up-down within the basin may result large damage for buildings above the basin.
能量消耗在盆地的沉积层内部,这可能对盆地上的建筑物造成严重的灾害。
Based on plane wave decomposition, We propose a wave-equation depth migration method for pre-stack seismic data.
提出了一套基于平面波分解的波动方程叠前地震数据深度偏移方法。
This paper describes the application of shallow seismic refraction wave method to the exploration of foundation for railway Bridges.
介绍了浅层地震折射波法在铁路桥基础勘查中的应用。
Through the comparison of seismic wave attenuation and plastic strain, except for geometrical attenuation, the plastic deformation of coal and rocks is also contributing to energy consumption.
通过地震波的衰减规律与塑性应变变化的比较可见,能量的消耗除了几何扩展衰减外,煤岩体的塑性变形方面也起了一定的作用。
Through the comparison of seismic wave attenuation and plastic strain, except for geometrical attenuation, the plastic deformation of coal and rocks is also contributing to energy consumption.
通过地震波的衰减规律与塑性应变变化的比较可见,能量的消耗除了几何扩展衰减外,煤岩体的塑性变形方面也起了一定的作用。
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