地电断面
- 网络geoelectric section
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二维解释工作可分为四个阶段:(1)构组初始地电断面模型,通常在一维解释成果基础上进行,(2)部分:将地电断面划分为计算小单元;
The two-dimensional interpretation can be divided into four steps : 1 . Forming initial geoelectric section model , after the one-dimensional interpretation generally ;
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分别以层状大地和三维地电断面为例与精确解和有限单元法的非齐次边界的解进行对比,结果显示,该方法正确、可行,计算相对误差小于1%。
The results of the forward on layered earth and 3-D geoelectric section , by choosing proper length of boundary , show that this method , contrasted with exact solution and FEM , is correct and feasible . The maximal relative error is less than 1 % .
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将地震偏移中的PSPI方法引入MT相位移偏移以适应更复杂的地电断面;
We also use the PSPI method in seismic migration to make it suitable in more complex geoelectric section .
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根据Seigel的理论中地下介质视极化率响应与偏导数矩阵之间的关系得到的三维地电断面视极化率正演模拟结果,与等效电阻率法相比,计算速度提高了近一倍。
Based on Seigel 's theory , using the relation between apparent induced polarization responses and the partial derivatives to get the result of numerical modeling IP values on 3-D section , compared with equivalent resistivity method , it takes more little time .
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三维地电断面激发极化法有限元数值模拟
Finite element method for modeling resistivity sounding on 3-D geoelectric section
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多层地电断面视电阻率的高精度计算
Calculation of apparent resistivity for profile of multi-layer resistivity with high accuracy
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水平地形二维地电断面点源电场的正演
Direct calculation of electric field of point source on two-dimensional geoelectric section with horizontal ground
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二维复杂地电断面正演计算&代替层等效电阻率法
The approximate calculation of apparent resistivity for two-dimensional complicated earth section : the replacement layer method
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点源二维各向异性地电断面的直流电场有限元解法
The finite element method for solving the direct-current electric field of point source on a 2-D anisotropic electric section
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三维地电断面电阻率测深有限元数值模拟基于有限单元法的三维地电断面电阻率反演
FINITE ELEMENT METHOD FOR MODELING RESISTIVITY SOUNDING ON 3-D GEOELECTRIC SECTION Resistivity inversion on 3-D section based on FEM
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电位双二次变化二维地电断面电阻率测深有限元数值模拟
A numerical simulation of 2-D geoelectric section with biquadratic change of potential for resistivity sounding by the finite element method
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利用齐次边界条件下三维地电断面有限单元法数值模拟技术对坑道中、水下等复杂条件下的视电阻率法进行正演计算;
Using the finite element method under the quantic-boundary condition , forward the apparent resistivity in complex condition , such as tunnel and below water .
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通过在一些典型地电断面上对算法的试算,表明三次插值法是一种较稳定的快速算法,从而实现了时间谱电阻率法一维正演的快速计算。
The results show that cubic interpolation algorithm is preferable to equivalent dipole algorithm while carrying out the one dimensional forward calculation for time spectral resistivity ( TSR ) method .
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其地电断面影像的结果显示,视电阻率异常形态清晰明了,能够精确反映出地下已开采区和未开采区的具体位置和详细区间,说明了该方法在探测地下煤矿采空区的有效性。
The ground electricity image shows that the anomaly pattern on the cross section is very clear , which illustrates that the method is effect in detecting the mined-out area of the underground coal mine .
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本文采用正演模拟的方法,分析不同观测参数条件下低阻目标层及高阻目标层半空间两种典型地电断面上瞬变响应曲线特征。
The paper used forward simulation approach to analyze the curve characters of transient half space response in two typical geoelectric sections of low resistivity zone and high resistivity zone under different condition of observing parameters .
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针对地下岩矿石的物性参数常常是连续变化的情况,给出了电导率分块连续变化的三维地电断面电阻率测深的有限元数值模拟方法。
Based on the fact of continuous variation of the subterranean rock-mineral parameters , a finite element modeling method of 3-D geoelectric section resistivity sounding with continuous variation of conductivity within each block is put forward in the paper .
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本文用付氏变换将点源二维地电断面的三维边值问题变成二维边值问题,然后讨论了边界元法在解决层状介质中存在二维柱体时点源场视电阻率计算问题中的应用。
Using Fourier transformation , the 3-D boundary value problem of electric field of point source on 2-D geoelectric section is converted into 2-D boundary value problem . Then we discussed the application of boundary element method for calculating apparent resistivity on layered medium which contains 2-D column body .
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在垂直地电剖面法中,用有限元法对复杂地电断面和区域进行模拟计算。
We simulate the 2D various apparent resistivity anomalies of the complex geo-electric sections and regions by the vertical geo-electrical profile method using the finite element method .