首页 | 本学科首页   官方微博 | 高级检索  
     

基于并行粒子群算法的混凝土坝热学参数反分析
引用本文:张建华,陈尧隆,李佳明,王一凡,李筱峰.基于并行粒子群算法的混凝土坝热学参数反分析[J].水资源与水工程学报,2010,21(1):97-100.
作者姓名:张建华  陈尧隆  李佳明  王一凡  李筱峰
作者单位:1. 西安理工大学,水利水电学院,陕西,西安,710001
2. 邯郸市漳滏河灌溉供水管理处,河北,邯郸,056000
摘    要:针对室内试验所得混凝土大坝热学参数的随机性以及传统反分析优化算法易陷入早熟,效率低和计算量巨大等缺点,提出基于并行粒子群算法的反分析方法。本文利用实际所测温度对热学参数进行反分析,根据反分析后的热学参数利用有限元进行温度场正分析,分析比较预测参数与试验参数所得非稳定温度场。结果表明:计算结果和实测结果较为接近,该方法具有较好的稳定性和收敛性,反演结果可满足工程要求。该方法可为混凝土坝热学参数反分析提供理论探讨意义并具有工程实际应用价值。

关 键 词:混凝土坝  热学参数  反分析  并行计算  MPI

Inverse Analysis of Concrete Dam Thermal Parameters Based on Parallel Particle Swarm Method
ZHANG Jian-hua,CHEN Yao-long,LI Jia-ming,WANG Yi-fan,LI Xiao-feng.Inverse Analysis of Concrete Dam Thermal Parameters Based on Parallel Particle Swarm Method[J].Journal of water resources and water engineering,2010,21(1):97-100.
Authors:ZHANG Jian-hua  CHEN Yao-long  LI Jia-ming  WANG Yi-fan  LI Xiao-feng
Affiliation:ZHANG Jian-hua1,CHEN Yao-long1,LI Jia-ming1,WANG Yi-fan1,LI Xiao-feng2 (1.Faculty of Water Resources , Hydropower,Xi\'an University of Technology,Xi\'an 710048,China,2.Department of Zhangfu River Irrigation , Supply Management,H,an,Hebei 056000,China)
Abstract:Aimed at the unreliability of concrete thermal parameters of dam by laboratory testing and the shortcomings of traditional inverse analysis method of easy to fall into premature,low efficiency and great volume of calculation,the paper presented a new inverse analysis method based on parallel PSO.According to the actual measured temperature to predict the thermal parameters,the temperature field should be analyzed by the thermal parameters after inverse analysis,and comparatively analyzed the unstable temper...
Keywords:MPI  concrete dam  thermal parameters  inverse analysis  parallel compute  MPI
本文献已被 CNKI 维普 万方数据 等数据库收录!
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号