| 基于CGP模型的岩土材料应力-应变曲线拟合 |
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| 引用本文： | 易达,葛修润.基于CGP模型的岩土材料应力-应变曲线拟合[J].岩土力学,2005,26(4):617-620. |
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| 作者姓名： | 易达 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. 中国科学院武汉岩土力学研究所，武汉 430071 |
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| 摘 要： | 介绍了复杂性理论中的一个重要概念--涌现，同时介绍了一种用于研究复杂系统涌现行为的CGP(constrained generating procedure)模型方法。首次将涌现概念应用于岩土工程，提出基于CGP模型拟合岩土材料应力-应变曲线的新方法。通过算例，说明所提方法可对应力-应变曲线进行成功拟合。
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| 关 键 词： | 涌现 CGP模型 应力-应变曲线 曲线拟合 |
| 文章编号： | 1000-7598-(2005)04-0617-04 |
| 收稿时间： | 2003-12-09 |
| 修稿时间： | 2003年12月9日 |
Fitting stress-strain curve of geo-material based on CGP model |
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| YI Da,GE Xiu-run.Fitting stress-strain curve of geo-material based on CGP model[J].Rock and Soil Mechanics,2005,26(4):617-620. |
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| Authors: | YI Da GE Xiu-run |
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| Institution: | 1. School of Naval Architecture, Ocean and Civil Engineering, Shanghai Jiaotong University,Shanghai 200240, China; 2. Institute of Rock and Soil Mechanics , The Chinese Academy of Sciences, Wuhan 430071, China |
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| Abstract: | Emergence, an important concept of complexity theory, is introduced. A method known as CGP(constrained generating Procedure)model for studying emergence in complex system is introduced too. Emergence concept is applied to geotechnical engineering for the first time; and a new methodology based on CGP model to fit the stress-strain curve of geo-material is proposed. An example is studied; and the results show that the proposed method can be applied to fitting the stress-strain curve successfully. |
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| Keywords: | emergence CGP model stress-strain curve curve fitting |
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