Application of a new global optimization to displacement back analysis for geotechnical engineering

Lü Ying-hui; WANG Shui-lin; GE Xiu-run; JIANG Hao; ZHANG Hong-liang

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Application of a new global optimization to displacement back analysis for geotechnical engineering

更新时间：2026-06-25

- Application of a new global optimization to displacement back analysis for geotechnical engineering
- Vol. 29, Issue 6, (2008)
- 作者机构：
  
  中国科学院武汉岩土力学研究所岩土力学与工程国家重点实验室,武汉,430071
- 作者简介：
- 基金信息：
- DOI：
  CLC： O224
- Online First：15 July 2013，
  
  Published：2008
- 稿件说明：
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Lü Ying-hui, WANG Shui-lin, GE Xiu-run, et al. Application of a new global optimization to displacement back analysis for geotechnical engineering[J]. 2008, 29(6).
DOI：

Lü Ying-hui, WANG Shui-lin, GE Xiu-run, et al. Application of a new global optimization to displacement back analysis for geotechnical engineering[J]. 2008, 29(6). DOI：

摘要

DCD(dynamic canonical descent)算法是一个新的全局优化算法，运用该法进行优化时，无需考虑目标函数的可微性，只要正确给定优化变量的优化区间，且该区间具有凸性，那么此算法就能很好地收敛于该区间的全局极小点。针对该算法，建立了相应的算法迭代格式。对数值试验和在岩土工程位移反分析的应用中引入该算法的迭代格式进行全局优化反演，其结果表明：该算法稳定性强，优化结果的可靠度高，收敛速度较快。

Abstract

dynamic canonical descent(DCD) algorithm is able to avoid being trapped by local optimization

and do not assume the cost function to be differentiable

if firstly given a appropriate convex space interval; the algorithm can converge to a least point which lies in the given convex space interval; the algorithm of global optimization is shown on the numerical experimentation and the application to the rock and soil project for back analysis; and it is proved that the new algorithm would converge to the global best point quickly with a good numerical stability and credible results.

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Related Institution

State Key Laboratory of Geomechanics and Geotechnical Engineering , Institute of Rock and Mechanics, Chinese Academy of Sciences

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Department of Geotechnical Engineering, Tongii University

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Institute of Highway and Bridge Engineering, Dalian Maritime University

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