摘要
建立了三维天然渗流场反演分析模型,有选择地确定了反演变量的类型,应用序列二次优化方法来求解,收敛稳定且效率较高,提出了效率及精度更高的灵敏度分析方法。反演了泰安抽水蓄能电站工程区的天然渗流场,与实际观测资料相比,天然渗流场的反演结果是合理的,精度满足工程要求。本次反演结果为岩体大型地下洞室群的渗控优化提供了基础。
A new method is proposed for the back analysis of 3D seepage problem. The variables of back analysis are determined firstly, and then the utilization of the sequential quadratic programming and high-efficient sensitivity analysis is suggested to promote the computation efficiency. The convergence of this method is very good. As an engineering example, the seepage field of Tai'an pumped-storage power station is back analyzed. In comparison with the observed values, the back analyzed results are reliable and the accuracy meets the engineering demands.
出处
《岩石力学与工程学报》
EI
CAS
CSCD
北大核心
2003年第2期203-207,共5页
Chinese Journal of Rock Mechanics and Engineering
关键词
渗流力学
渗流场
反演分析
序列二次规划
岩体
Engineering
Quadratic programming
Sensitivity analysis
Three dimensional
