3D seamless modeling of rock-mass structure and its optimizing tetrahedral mesh generation

XU Neng-xiong; DUAN Qing-wei; TIAN Hong; YU Shu

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3D seamless modeling of rock-mass structure and its optimizing tetrahedral mesh generation

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- 3D seamless modeling of rock-mass structure and its optimizing tetrahedral mesh generation
- Vol. 29, Issue 10, (2008)
- 作者机构：
  
  1. 中国地质大学（北京）,北京,100083
  2. 中国水利水电科学研究院,北京,100044
- 作者简介：
- 基金信息：
- DOI：
  CLC： TB115
- Online First：03 August 2013，
  
  Published：2008
- 稿件说明：
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XU Neng-xiong, DUAN Qing-wei, TIAN Hong, et al. 3D seamless modeling of rock-mass structure and its optimizing tetrahedral mesh generation[J]. 2008, 29(10).
DOI：

XU Neng-xiong, DUAN Qing-wei, TIAN Hong, et al. 3D seamless modeling of rock-mass structure and its optimizing tetrahedral mesh generation[J]. 2008, 29(10). DOI：

摘要

复杂地质特征给数值模拟的建模工作带来很大困难，针对该问题，提出并实现了岩体结构三维无缝建模方法。将直接法拓展到四面体网格剖分中，实现了基于岩体结构无缝模型的四面体优化剖分方法，从而为数值模拟提供既符合地质实际，又有较高网格质量的计算模型。利用该方法建立了某拱坝坝肩岩体三维地质模型，并进行四面体优化剖分。

Abstract

It is difficult to build geological models for numerical simulation when meeting complex geological structures. In order to address this problem

a seamless modelling method for rock-mass structure is proposed and realized. A method for optimizing tetrahedral mesh generation based on the seamless geological model is also realized by developing direct method. Combining these two methods

a numerical model

which is coincident with geological realities and having optimizing mesh

can be built for numerical simulation. By using this method

a 3D geological model and its optimizing tetrahedral mesh are built for rock-mass on the bank of one dam.

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