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现代隧道技术 2013, Vol. 50 Issue (4) :76-83    DOI:
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模拟退火法与有限元耦合反演技术研究
(1  中交第二航务工程局有限公司,武汉  430040;
2  武汉市市政工程质量监督站,武汉  430015;
3  中铁第一勘察设计院集团有限公司,西安  710043)
Study on the Inverse Technique Based on Coupling
of Simulated Annealing Method and Finite Element Method
(1  CCCC Second Harbour Engineering Co., Ltd, Wuhan  430040;
2  Wuhan Municipal Engineering Quality Supervision Station, Wuhan  430015; 
3  China Railway First Survey & Design Institute Group Co., Ltd, Xi'an  710043)
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摘要 岩体参数是岩土工程安全性分析的关键因素,目前很多研究者通常采用反演分析确定岩土参数。文章针对常规反演方法无法跳出局部最优解和初始值要求高的难题,采用MATLAB软件编制了模拟退火法(SAA)参数反演程序,实现了模拟退火反演理论与ABAQUS有限元软件的耦合分析,反演迭代过程中通过设定跳出局部最优解的概率实现了全局优化反演的目的;提出了针对反演程序的计算实验模型理念,验证了反演程序的有效性和实用性,并对依托工程南京某基坑进行了有效的参数反演分析。
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关键词模拟退火法      反演程序      工程应用     
Abstract:   Rock mass parameters are the key factors of the security analysis in geotechnical engineering, and at present, the inverse analysis is normally used to determine the rock mass parameters. Aiming at the problems concerning local optimization solution and initial value input with conventional inverse method, the MATLAB software is adopted to develop the inversion program of parameters based on simulated annealing arithmetic method (SAA), realizing the analysis with coupling of simulated annealing method and ABAQUS finite element software. The global optimization inversion is to be reached by means of setting the probability of escaping from local optimization solution during the inversion of iterative process. The calculation experimental model concept is proposed to validate the effectiveness and practicability of the inversion program, and the effective parametric inverse analysis is carried out based on a foundation pit project in Nanjing.
Keywords Simulated annealing method,   Inversion program,   Engineering application     
出版日期: 2012-11-03
作者简介: 陈培帅(1985- ),男,助理工程师,主要从事隧道及地下工程施工及围岩稳定方面的工作,E-mail:chenpeishuai@foxmail.com.
引用本文:   
.模拟退火法与有限元耦合反演技术研究[J]  现代隧道技术, 2013,V50(4): 76-83
.Study on the Inverse Technique Based on Coupling
of Simulated Annealing Method and Finite Element Method[J]  MODERN TUNNELLING TECHNOLOGY, 2013,V50(4): 76-83
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