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 参数反演 Study on Parameter Inversion of Underground Engineering Based on Improving Genetic Algorithm 改进遗传算法在地下工程岩体参数反演分析的研究 Study on Parameter Inversion of Dynamic Soil-Box Foundation-Frame Structure Interaction System 土—箱型基础—框架结构动力相互作用系统的参数反演研究 This thesis contrasts and analyses the different calculation-method, and improves the Genetic Algorithm in the parameter inversion of the Rock and Soil engineering. 本文对优化算法中不同求解方法进行对比分析，针对遗传算法在岩土工程参数反演运算中进行了改进，改进的策略主要集中于三个方面： For the purpose of increasing the local-searching efficiency of the particle swarm optimization,a hybrid approach is presented by combining the particle swarm optimization with simplex method,and the hybrid approach is applied to the parameter inversion in geotechnical engineering. 把该算法引入岩土工程参数反演领域,同时为了克服粒子群算法后期搜索效率降低的缺陷,把单纯形法嵌入到粒子群算法中,提出岩土工程参数反演的一种新方法——基于粒子群算法和单纯形法的混合算法。 BIONICS ALGORITHM FOR PARAMETER INVERSION IN UNDERGROUND ENGINEERING AND ENGINEERING APPLICATION 地下工程围岩参数反演的仿生算法及其工程应用研究 NEW ALGORITHM FOR PARAMETER INVERSION IN GEOTECHNICAL ENGINEERING 岩土工程参数反演的一种新方法 To obtain the reasonable parameters for the analytical model by performing the parameter inversion based on limited experimental data would play a vital role in the prediction of the seismic response of structure and the study on decrease and isolation of vibration. 对该系统的计算模型进行参数反演,通过有限的试验结果反演出合理的参数,对于结构的地震响应预测,以及隔震减震的研究有着重要的作用。 Single parameter inversion was got on with structural damage of reinforced concrete through applying gradient regularization method, displaced value in engineering measurement to the inversion of initial moment I for cross section in steel reinforced concrete structure, A for bar reiforcement area, E for modulus of elasticity. Taking reinforced concrete structure as the target, the method to inverse its structural material and sectional parameters was stated and discussed with gradient regularization. 应用梯度正则化法,利用工程中易测得的位移值,反演钢筋混凝土结构中的截面惯性矩I、配筋面积As和混凝土的弹性模量E,对钢筋混凝土结构的破坏进行了单参数反演,并进一步阐述了以钢筋混凝土结构为对象运用梯度正则化法进行反演结构的材料和截面参数的方法。 Too complicated is the parameter inversion in the informational construction of foundation pit works at present and it becomes thus necessary to find a simple and effective treatment method. 目前基坑工程信息化施工中的土质参数反演方法过于复杂,有必要找到一种有效简单的处理方法。 Parameter inversion method according to information such as the displacement obtained by process monitoring of pit excavation is discussed and the inversion mechanism and method of back-propagation network in foundation excavation are introduced while the feasibility of applying artificial neural network to foundation informational construction is verified with a calculation example. 本文探讨按基坑开挖过程中监测得到的实测位移等资料信息反演土体参数的方法,介绍BP神经网络在基坑工程信息化施工中用于参数反演的作用机理和具体方法,并通过算例验证了人工神经网络技术在深基坑工程信息化施工中的可行性。

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2008中国知网(cnki) 中国学术期刊(光盘版)电子杂志社