水利水电技术2018，Vol.49Issue(3)：53-58,6.DOI:10.13928/j.cnki.wrahe.2018.03.008
基于响应面法的泵站弹模反演分析
Response surface method-based inversion analysis on elastic modulus of pumping station
摘要
Abstract
Aiming at the problem of the limitations from the parameter measurements made by both indoor testing and in situ testing,an inversion analysis is made on the specific physical parameters with some specific known monitoring values,for which the elasticmodulis of both pumping station and its foundation are inversely studied.At first,a response surface equation that can reflect the non-linear implicit relationship between the modulus of pumping station and its displacement is established for replacing FEM calculation through the relevant finite test with central composite design based on FEM analysis;secondarily,iterative refinement is made for the objective function of response surface equation,thereby realizing the inversion analysis of the modulus of pumping station;finally,two puming stations are selected for the inversions of their monitoring values,from which the most of the errors of the result from the response surface equation are within 1％,while the errors of the final iversions of the modulis are within 2％.It is indicated through several calculation cases that the method has a high solving efficiency with less error from the calculation result,thus can correctly reflect the real status of material.The study result can provide references for determining parameters for the construction of actual pumping station.关键词
响应面法/泵站/弹模/遗传算法/参数反演Key words
response surface method/pumping station/elastic modulus/genetic algorithm/parameter inversion分类
水利科学引用本文复制引用
徐杰,李同春,冯旭松,刘晓青,宁昕扬..基于响应面法的泵站弹模反演分析[J].水利水电技术,2018,49(3):53-58,6.基金项目
南水北调大型泵站群运行安全监测及远程协作诊断系统关键技术研究(BE2015734) （BE2015734）
水利部公益性行业科研专项经费项目“土石坝长效安全运行重大关键技术研究”(201501033) （201501033）
