【摘要】 结构的材料参数和边界条件是地下发电厂房动力特性分析研究中极为重要亦很难确定的控制参数.在借鉴以往反分析成果的基础上引入改进的遗传算法,实现了其与ANSYS软件的接口,并建立了结构最优化遗传动力识别通用模型.结合某抽水蓄能电站地下厂房结构的测试资料,反演识别了混凝土材料的动态弹性模量和围岩边界动态参数,可为工程应用提供参考.更多还原

【Abstract】 The parameters of the material and boundary condition are sensitive to the dynamic characteristics of the underground power house. Based on summarizing the development of inverse analysis methods, the improved genetic algorithm is jointed to the ANSYS Code and an optimal genetic dynamic identification model is obtained. Making use of the test data, the dynamic inverse analysis of an underground power house of a pumped storage power plant is carried out; and its average elastic modulus and the elastic resisting force of the surrounding rock are obtained.更多还原