| 岩体初始应力场的遗传算法与有限元联合反演法 |
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| 引用本文： | 易达,陈胜宏,葛修润. 岩体初始应力场的遗传算法与有限元联合反演法[J]. 岩土力学, 2004, 25(7): 1077-1080 |
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| 作者姓名： | 易达 陈胜宏 葛修润 |
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| 作者单位： | 1. 上海交通大学 建筑工程与力学学院，上海 200240；2. 武汉大学 水利水电学院，湖北 武汉 430072 |
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| 摘 要： | 岩土工程问题的有限元分析一般需要考虑初始应力场。实际工程中，岩体往往为非线性。本文采用遗传算法与有限元联合反演法求解非线性岩体初始应力场，通过算例说明文中所提方法是合理的，可在工程应用中推广。
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| 关 键 词： | 遗传算法 有限单元法 初始应力场 反分析 |
| 文章编号： | 1000-7598-(2004)07-1077-04 |
| 收稿时间： | 2003-04-22 |
| 修稿时间： | 2003-04-22 |
A methodology combining genetic algorithm and finite element method for back analysis of initial stress field of rock masses |
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| YI Da,CHEN Sheng-hong,GE Xiu-run. A methodology combining genetic algorithm and finite element method for back analysis of initial stress field of rock masses[J]. Rock and Soil Mechanics, 2004, 25(7): 1077-1080 |
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| Authors: | YI Da CHEN Sheng-hong GE Xiu-run |
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| Affiliation: | 1.School of Civil Engineering and Mechanics, Shanghai Jiaotong University, Shanghai 200240, China; 2.School of Water Resources and Hydropower, Wuhan University, Wuhan 430072, China |
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| Abstract: | The initial stress field is very important in the finite element analysis of geotechnical engineering structure. In the engineering practice, the rock masses are nonlinear. In this paper, a methodology of initial stress back analysis combining the genetic algorithm and finite element theory is proposed. An example is studied, the results show that the proposed method is reliable and can be applied to the engineering practices. |
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| Keywords: | genetic algorithm finite element method initial stress field back analysis |
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