基于地层信息插值的FLAC3D简易建模方法

doi:10.13474/j.cnki.11-2246.2021.0200

测绘通报 ›› 2021, Vol. 0 ›› Issue (7): 6-11.doi: 10.13474/j.cnki.11-2246.2021.0200

基于地层信息插值的FLAC3D简易建模方法

李培现, 曹禹锡, 杨中辉, 郝登程

中国矿业大学(北京)地球科学与测绘工程学院, 北京 100083

收稿日期:2021-04-19 出版日期:2021-07-25 发布日期:2021-08-04
作者简介:李培现(1983-),男,博士,副教授,主要从事矿山开采沉陷及岩层移动方向的教学科研工作。E-mail:pxlicumt@126.com
基金资助:
中央高校基本科研业务费专项资金（2020YQDC05；2021YQDC01）；河北省自然科学基金生态智慧矿山联合基金（E2020402086）

An easily FLAC3D modeling method based on geological information interpolation

LI Peixian, CAO Yuxi, YANG Zhonghui, HAO Dengcheng

College of geoscience and surveying engineering, China university of mining and technology-Beijing, Beijing 100083, China

Received:2021-04-19 Online:2021-07-25 Published:2021-08-04

摘要/Abstract

摘要： 为建立一种简易的FLAC3D建模方法，降低FLAC3D前处理时的建模难度，本文基于Python编程语言开发了建模文件生成程序。该程序以岩体各层位的高程信息为基础，采用Kriging插值生成离散网格点数据；并采用离散网格点自动生成建模所需要的网格数据文件；将该文件导入FLAC3D软件中，即可生成与真实钻孔数据和地层信息吻合的三维模型。程序提供了3种FLAC3D内置单元模型可供选择。该方法采用Kriging插值算法，可生成精确的三维地层模型数据。与FLAC3D软件自身的脚本建模语言相比，该方法简单快速。本文使用3类应用数据进行建模，验证提出的插值建模方法可以针对复杂的地形和地质信息生成精确的三维模型。研究成果为采用FLAC3D进行复杂地质区域数值模拟计算提供了一种简单、高效、准确的建模工具。

关键词: FLAC3D, 数值模拟, 开采沉陷, 岩石力学, Kriging

Abstract: To obtain an easily method of FLAC3D modelling and reduce the difficult of using of FLAC3D, a program is developed using python. This program using the stratigraphic information to generate the discrete grid points based on Kriging interpolation first. And then the program can generate the FLAC3D grid format file automatically. The generated file can be imported into the FLAC3D software and a 3D model can be obtained directly and easily. It is faster and easier than using the inner modeling script. The program provides three basic elements model of the FLAC3D. The method can generate accurate 3D model using the Kriging interpolation. Three applications and some results of coal mines are given in the paper. Those applications show that it can generate accurate 3D model for complex topography. The research results provide a tool for building 3D models in complex geo-conditions simulation.

Key words: FLAC3D, numerical simulation, mining subsidence, rock mechanical, Kriging

中图分类号:

P237

李培现, 曹禹锡, 杨中辉, 郝登程. 基于地层信息插值的FLAC3D简易建模方法[J]. 测绘通报, 2021, 0(7): 6-11.

LI Peixian, CAO Yuxi, YANG Zhonghui, HAO Dengcheng. An easily FLAC3D modeling method based on geological information interpolation[J]. Bulletin of Surveying and Mapping, 2021, 0(7): 6-11.

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基于地层信息插值的FLAC3D简易建模方法

An easily FLAC3D modeling method based on geological information interpolation

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