在位移反分析中优化方法的选择十分重要。
It's important to select an optimum method in displacement back analysis.
位移反分析方法在岩土工程中的应用越来越多。
Displacement back analysis has been more and more applied in geotechnical engineering.
反分析采用直接分析法并用复合形法求解目标函数方程。
Direct method is used in the inverse analysis and the equation of object function is solved with composite algorithm.
同时导出了灵敏度矩阵的显式表达，以提高反分析的效率。
The explicit expression of the sensitivity matrix is derived to enhance the efficiency of the inverse approach.
然后利用反分析得出结果，对围岩的应力与变形进行了分析。
After that, the displacements and stress field are analyzed with the back analysis results.
对位移反分析方法作了介绍，并对各种弹塑性模型进行了总结。
Introducing the method of optimizing back analysis using displacement and summarizing the elastoplastic model.
解决思路可以推广应用到其他位移反分析问题的测线布置优化。
The idea of the optimization arrangement of measuring-line can be applied to another back analysis of measured displacements.
本文结合有限单元法和数学规划法提出一固结问题的反分析方法。
Firstly, combining the finite element method and the mathematical programming technique, a procedure of back analysis for consolidation problem is developed.
因此，研究高速公路高填方路基沉降反分析与预测具有重要的意义。
It is of great significance to study high embankment settlement back analysis and prediction.
依据变形等效原理，建立了层面影响带的粘弹性参数的反分析模型。
Based on equivalent deformation assumption the back analysis model of determining the viscoelastic parameters of the effect zones is established.
研究了考虑围岩松动圈的位移反分析在卵砾石层隧道工程中的应用。
This paper presents the application of displacement back analysis for the tunnel engineering in gravel-cobble stratum taking the loosing zone into consideration.
各种传统位移反分析方法的反分析模型非常复杂，求解亦非常困难。
The model of traditional approaches for back analysis of displacements is very complex and it is rather difficult to solve them.
基于差分法和人工神经网络建立了新的硐室围岩力学参数反分析方法。
The new back analysis method of mechanics parameters of surrounding rock was established by calculus of differences and artificial neural networks in this paper.
研究工作中正分析、反分析和原位观测资料分析均采用同一的确定性模型。
The same deterministic model is used to conduct direct analysis, inverse analysis and the analysis of in situ observation data.
研究了用反分析理论和内、外边界元方法预测软岩巷道围岩压力和支护变形。
Study on applying the theory of inverse analysis and in-out boundary element method to forecast the pressure of soft rock tunnel 'surrounding rock and supporting deformation.
实例表明，随机反分析方法能较好地应用于混凝土坝材料参数的反演和识别中。
This case shows the method can be applied to the back analysis and identification of the material parameters for concrete dam.
以边界元计算为基础，提出正交各向异性平面问题材料参数识别的反分析方法。
Based on the boundary element method, an inverse method is developed to identify the material parameters of orthotropic plane problem.
本文研究的是工程振动问题中的动态载荷的反分析问题，即动态载荷识别问题。
The back problems of dynamic loads in the vibration of engineering are studied in this dissertation of Doctor's Degree, which are the problems of dynamic loads identification.
结合现场实践，基于差分法和人工神经网络建立了新的围岩力学参数反分析方法。
Aiming at practice in site, the new back analysis method of mechanics parameters of surrounding rock was established by calculus of differences and artificial neural networks.
基于均匀设计、差分法和模糊人工神经网络建立了新的隧道围岩物理力学参数反分析方法。
The new back analysis method of physics and mechanics parameters of surrounding rock was established by uniform design, calculus of differences and fuzzy artificial neural networks in this paper.
文中还讨论了弹性常数取用值误差对位移反分析计算成果的影响和地下厂房稳定性研究等问题。
This paper also discusses the influence on the results of back analysis due to the error of fetched value of elasticity constant and the stability study of underground powerhouse.
经检验、评价与对比验证，结果表明该方法可以大大地缩短反分析时间，提高反分析效率和准确性。
It was shown that the method could shorten the time of back analysis and improve the efficiency and accuracy of back analysis.
在分析受不均匀荷载作用的立井井壁应力和位移的基础上，提出了确定立井井壁椭圆荷载的反分析方法。
On the basis of the analysis of shaft lining stress state and displacement state, proposed the back analytical method for determination of the elliptic load acting on shaft lining.
在反分析中，提出了等效阻尼比的概念，并验证了等效阻尼比的可行性，从而大大降低了动力反演的计算量。
The concept of equivalent damp is presented in the back-analysis and the feasibility of the method based on equivalent damp is proved. Thus the computational quantity could be reduced enormously.
通过对水布垭枢纽工程的地应力测试成果和地应力场反分析成果的综合研究，展示了复杂岩体中的应力分布特征。
Through measurement and data regression analysis at Shuibuya Hydraulic Project, the characteristics of stress field in complex rock mass are also revealed.
反分析计算时采用分层均质模型，将计算区域内各层岩层分别视为均质各向同性体，初始地应力假设成线性分布。
It assumed that the initial rock stresses is in linear distribution, all layers of strata are regarded as layered homogeneous in calculation districts, and this model is applied to doing calculation.
以此为基础，再根据南京某基坑工程现场变形监测结果，由反分析获取SSC模型参数，并对模型参数进行验证。
Based on that, the parameters of SSC model were gained and validated by field monitoring deformations in some excavation engineering at Nanjing.
以此为基础，再根据南京某基坑工程现场变形监测结果，由反分析获取SSC模型参数，并对模型参数进行验证。
Based on that, the parameters of SSC model were gained and validated by field monitoring deformations in some excavation engineering at Nanjing.
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