Study of generating code system of FLAC3D for simulating complicated excavating process

MA Chang-nian; XU Guo-yuan; JIANG Wen-wu; LIU Xiao-ming

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Study of generating code system of FLAC3D for simulating complicated excavating process

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- Study of generating code system of FLAC3D for simulating complicated excavating process
- Vol. 33, Issue 8, (2012)
- 作者机构：
  
  1. 中南大学资源与安全工程学院,长沙,430083
  2. 华南理工大学土木与交通学院,广州,510641
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP31
- Online First：13 August 2012，
  
  Published：2012
- 稿件说明：
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MA Chang-nian, XU Guo-yuan, JIANG Wen-wu, et al. Study of generating code system of FLAC3D for simulating complicated excavating process[J]. 2012, 33(8).
DOI：

MA Chang-nian, XU Guo-yuan, JIANG Wen-wu, et al. Study of generating code system of FLAC3D for simulating complicated excavating process[J]. 2012, 33(8). DOI：

摘要

针对直接采用FLAC3D编制复杂开挖过程力学仿真程序所遇到的困难，开发了FLAC3D力学仿真程序代码生成系统(generating code system，简称GCS)。介绍了如何利用矿用地质软件Surpac，按空间、次序、结构功能及工程地质体属性对复杂开挖过程进行剖分，形成可编程的组件；着重解决了模型单元质心定位、单元捕捉、重组和应用程序变量到FLAC3D变量、函数、语句、数据结构之间映射等问题；使用VC++开发并给出了一个特定回采开挖过程的FLAC3D力学仿真代码生成系统实例，该应用程序以模型单元数据库为数据源，通过一系列与用户交互的页面，由用户对回采开挖过程所需步骤和参数进行选择和确认，并将这些步骤和参数传递给仿真代码生成系统，由系统自动完成FLAC3D力学仿真代码的生成。FLAC3D力学仿真程序代码生成系统架起了地质三维几何造型软件与三维计算软件之间的桥梁，可大大提高编制FLAC3D三维力学仿真代码的效率，降低程序编制的出错率，有利于应用FLAC3D软件更为深广地解决复杂岩土开挖过程中的力学问题。

Abstract

Aiming at the difficulty developing large

complicated mechanics simulation program using the fast Lagrangian analysis of continua in three dimensions (FLAC3D) directly

the FLAC3D mechanical simulation program code generation system has been developed. Utilizing geological software Surpac

the programmable components formed by dividing the complicated excavating process according space position

order

structural function and attribution of engineering geological body are researched. The problem of the model unit centroid localization

unit capture

restructure

application variables

FLAC3D variables

function

sentence

the mapping between data structure etc are resolved. Developed by VC++

a particular excavation process simulation code generation FLAC3D mechanical system example is given. This application program uses the database of cell model as a data resource

through a series of steps

the process and parameters of excavation process necessary can be selected and confirmed

which can be transferred to the simulation code generation system

and then the FLAC3D codes will be generated by the application program. The FLAC3D mechanical simulation program code generation system builds a bridge between 3D geological software and 3D mechanics simulating software

can greatly improve the compiled 3D simulation code FLAC3D mechanical efficiency and reduce the programming of the error rate. It is favorable to use the FLAC3D to resolve problems in field of geotechnical engineering largely and deeply.

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