Using the soft of object - orient , powerbuilder , and dll theory , an object - oriented back analysis method was studied , which defined the relationship of object classes , established a message flow of finite element , and also made program of friendly interface and efficient operation 论文采用面向对象的软件powerbuilder作为开发平台，运用动态链接库的原理，建立了一套面向对象的反演分析法，定义了对象类之间的关系，确立了有限元的消息流，使程序的界面更加友好，程序操作更为直观。
According to in - situ construction real time observation and inverse analysis results , refinement numerical artificial analysis on a group of headrace tunnels was conducted and influence of different construction schemes and support parameters on rock mass deformation and failure behavior were researched to provide quantized data and technical aid for project construction decisions 基于跟踪施工的现场实时观测和反演分析结果，对引水发电洞群进行了精细化数值仿真分析，研究了不同施工方案和支护参数对岩体变形、破坏特性的影响，以便为工程的施工决策提供量化资料和技术支持。
( 6 ) the abnormality criteria of fracture mechanics are employed to diagnose the abnormality of the crack , and the inversion of the concrete fracture roughness is studied . the space prediction model of the anomalous load is presented using neural network . the load surface of stress intensity factor and its corresponding plane is given and employed to diagnose and predict the abnormal load of the crack ( 6 )应用断裂力学理论，对裂缝转异进行诊断，并探讨了混凝土断裂韧度的反演分析方法；建立了反映荷载组合与应力强度因子之间关系的神经网络模型，反馈分析裂缝的转异荷载，在此基础上，研制了应力强度因子的三维荷载曲面图以及相应的二维平面图，提出裂缝转异荷载的空间预报模型；并通过实例验证。
The reference values of strength parameters of the grounds and rock - fillers of the high rock - filled embankment on liuzhai - shuien highway in guangxi are obtained in this paper by synthetically analyzing the construction technology at home and abroad and indoor rock tests . by comparing the analysis method of settlement laws and thoroughly analyzing the datum of the embankment settlements of liuzhai - shuiren highway from the whole cons truction period , a new method generated from expectation technology to analyze the embankment settlement laws , " compete " growth curve , is presented in this paper and the result tallies with the observation data . for there are shortcomings in indoor rock tests , in this paper by combining finite element method with duncan - chang nonlinear constitutive model and composite method , a method for back analysis of the strength parameters of rock fillers is presented with a corresponding program , which has been successfully applied 通过对国内外已有高填石路堤修筑资料的综合分析及室内岩石试验，获得了寨任二级公路高填石路堤地基及填料强度参数的参考值；通过对路堤沉降发展规律现有分析方法的比较及对广西寨任二级公路高填石路堤修筑工程中的沉降全过程观测资料深入分析，运用预测技术，提出了路基及路堤沉降发展规律分析的“龚帕斯”成长曲线分析方法；针对室内岩石试验的局限，运用有限元技术，结合邓肯一张非线性本构模型和复形调优法，提出了高填石路堤填石料强度参数的反演方法，开发了相应的反演分析程序，并成功地反演了广西寨任二级公路高路堤填石料的强度参数值。
The system identification method is presented for backcalculating the dielectric property and thickness of pavement structures . the method of singular value decomposition is put forward to diagnose the ill - conditioned governing equation and the problem of finding solution to ill - conditioned governing equation is successfully resolved . the parameter adjustment arithmetic with high accuracy , which is based on precise theory and can be converged rapidly , is established 提出了路面结构层介电特性及其厚度反演分析的系统识别方法，将奇异值分解技术应用于控制方程的病态诊断和求解，有效地解决了控制方程病态时的求解问题，建立了理论严谨、收敛快、精度高的模型参数调整算法，并开发了路面结构层材料介电特性及其厚度反演分析软件sidthk 。
Inversion analysis of measured displacements is used extensively in geotechnical engineering , structural engineering , information construction , and trauma diagnosis , etc . in this dissertation , parameters identification of original geostress and medium physical property in cavern , slope , tunnel and dam are taken as a cut - in point . macroscale inversion analysis of displacements and numerical solutions of inverse problems of mechanics are researched profoundly . scientific theories of multiscale problems are connected with numerical inversion approaches 本文以地下洞室、边坡工程、隧道工程与大坝等领域的初始地应力参数和介质物性参数识别为切入点，对宏观尺度位移反演分析和力学反演问题数值求解方法进行了比较深入的研究，并将多尺度问题科学理论和反演数值方法联系起来，初步探讨了结构性承载材料(如岩石、骨材料等)的多尺度力学模型及其反演方法。
