Analysis of parameters sensitivity of duncan-chang model 张模型参数敏感性分析
Neural network method in parameter sensitivity analysis and its application in engineering 参数灵敏度分析的神经网络方法及其工程应用
parameter sensitivity analysis and synthesis strategy study of induction motor load model 感应电动机模型参数解析灵敏度分析及综合策略研究
Making importance sampling method suitable for sensitivity analysis of reliability parameter sensitivity 基于重要抽样马尔可夫链模拟的可靠性参数灵敏度分析方法
On the same time, a displacement-weighted method was suggested to resolve the behavior of displacement factor in the parameter sensitivity analysis 并提出了在参数敏感性分析中应考虑位移值的影响,建议采用位移加权的方法来解决这一问题。
The parameter sensitivity of induction motor load model is studied . a new approach based on fuzzy c-means clustering is proposed for the classification of dynamic load characters 分析了感应电动机综合负荷模型参数灵敏度,介绍了模糊聚类的分类方法,提出了基于模糊c均值聚类的负荷特性分类方法。
By using ansys software and its secondary development technique, the parameter sensitivity analysis, simulation computation and feedback research of puding roller-compacted concrete ( rcc ) arch dam temperature field are realized 摘要利用ansys软件及其二次开发技术,对普定碾压混凝土拱坝温度场进行了参数敏感性和仿真反馈分析研究。
Since the symbolic series are digital values themselves, it is very convenient to be acquired by logic judgment and processed by computer . in the part of weak signal detection, a new method of signal detection based on all parameters sensitivity of chaotic systems is proposed 在信号检测的应用方面,提出了利用混沌系统的整体参数敏感性进行信号检测的新思路,与传统的测量方法有很大的差别,测量过程中把所有的敏感元件都考虑在内。
Based on vibration theories and the analysis of the model, using main vibration shape and the natural frequency, defined the concept of parameter sensitivity, and got its formula . based on this foundation, defined the concept of the appraisement coefficient of adjustment automobile rigidity parameter, and give the calculation equation 根据振动理论,在模态分析的基础上,通过利用主振型向量的正交性,导出参数灵敏度的概念,推导了参数灵敏度的公式。在此基础上,提出了调整汽车刚度参数的评价系数,并给出了评价系数的计算公式。
Systemic numerical tests are made first, to study the parameter sensitivity of cohesion and friction angle and other elastic parameters to the convergence in tunnel . some comprehensive parameter sensitivity laws have been draw thought these numerical tests . the method of emulating back analysis is illustrated secondly, in detail by tracing the excavation and supporting conditions by the special numerical modeling rested in final program 主要研究成果:(1)建立使各个参数灵敏度值具有可比性的灵敏度计算公式,不仅得到了灵敏度分布规律,而且还得到了各参数对位移的量化影响结果;(2)详细阐述了岩土工程仿真反演分析思路与具体方法;(3)假定围岩为理想弹塑性模型,在可量测出理论上认为不可测的塑性变形、实现弹塑性位移分离的前提下,提出了弹塑性问题的分步反分析法。