Geotomo Software RES2DINV v4.8 电子成像勘测工具

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Geotomo Software RES2DINV v4.8 电子成像勘测工具
  • 软件作者: 网络搜集
  • 软件大小: 49.2 MB
  • 下载次数: | 所属栏目: 其它
  • 软件语言: 英文软件
  • 需要金币: 45 金币 金币充值金币
  • 软件评级: ★★★★★
  • 更新时间: 2018-05-15
  • 软件授权: 破解软件
  • 插件情况:
  • 运行环境: WinXP,Win7,Win8
二维(2D)电子成像勘测现在被广泛用于映射中等复杂地质的地区,其中常规一维电阻率探测和剖析技术不足。这些调查的结果通常以假断层的形式绘制,给出了地下地质的近似但扭曲的图像。
 
RES2DINV v4.8 x32 / x64程序使用平滑约束高斯 - 牛顿最小二乘法反演技术,从视电阻率数据单独生成地下二维模型。它是完全自动的,用户甚至不需要提供启动模型。该程序已针对大数据集的反演进行了优化。对可用内存的使用进行了优化,以便通过减少磁盘交换来减少计算机时间。在现代的微型计算机上,通常在几秒到几分钟内完成单个拟断面的反演。这个程序提供了四种不同的地形建模技术。结合免费的2D正演模拟程序RES2DMOD,它形成了一个完整的二维电阻率正演模拟和反演软件包。
 
程序会自动选择特定数据集的最佳反演参数。但是,影响反演过程的参数可以由用户修改。可以调整平滑滤波器以强调垂直或水平方向的电阻率变化。提供平滑约束最小二乘法的两种不同变化; 一个针对地下电阻率以平滑方式变化的区域(例如化学羽流)进行了优化,另一个针对具有明显边界的区域(例如块状矿体)进行了优化。强大的数据反转选项也可用于减少噪音数据点的影响。还可以包括来自井眼和其他源的电阻率信息以限制反演过程。用于IP数据的复电阻率方法(Kenma,A.,Binley,A.,Ramirez,A。和Daily,W.,2000. Complex resistivity tomography for environmental applications.Chemical Engineering Journal,77,11-18。)反转。
Geotomo Software RES2DINV v4.8 电子成像勘测工具
The RES2DINVx32/x64 programs use the smoothness-constrained Gauss-Newton least-squares method inversion technique to produce a 2D model of the subsurface from the apparent resistivity data alone. It is completely automatic and the user does not even have to supply a starting model. This program has been optimised for the inversion of large data sets. The use of available memory is optimised so as to reduce the computer time by minimising disk swapping. On a modern microcomputer, the inversion of a single pseudosection is usually completed within seconds to minutes. Four different techniques for topographic modelling are available in this program. Together with the free 2D forward modeling program RES2DMOD, it forms a complete 2D resistivity forward modeling and inversion package.
 
The program will automatically choose the optimum inversion parameters for a particular data set. However, the parameters which affects the inversion process can be modified by the user. The smoothing filter can be adjusted to emphasize resistivity variations in the vertical or horizontal directions. Two different variations of the smoothness constrained least-squares method are provided; one optimised for areas where the subsurface resistivity varies in a smooth manner (such as chemical plumes), and another optimised for areas with sharp boundaries (such as massive ore bodies). A robust data inversion option is also available to reduce the effect of noisy data points. Resistivity information from borehole and other sources can also be included to constrain the inversion process. The complex resistivity method (Kenma, A., Binley, A., Ramirez, A. and Daily, W., 2000. Complex resistivity tomography for environmental applications. Chemical Engineering Journal, 77, 11-18.) is used for IP data inversion.
标签:RES2DINV
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