Abstract:

The online rapid structural computing platform of arch dam is researched. First, structural analysis and back analysis computing methods are established based on improved genetic algorithm and finite element method. Then, arch dam structural analysis and back analysis computing tool is developed, and online rapid structural computing platform is built based on cloud computing server using Web integration technology. Finally, a high arch dam is taken as the example for structural analysis. It is proved that structural state of arch dam can be conveniently, quickly and accurately computed by online rapid structural computing platform, and evaluation, prediction as well as diagnosis of arch dam structural state can also be achieved. The computing platform is expected to be a decision making assistant tool for online dam safety monitoring system and dam safety management.

Key words: arch dam, online computing platform, rapid structural analysis, online monitoring, inversion, GA, FEM

摘要： 对拱坝在线快速结构分析平台进行了研究。首先，基于改进遗传算法和三维有限元法建立拱坝结构快速正反分析计算方法；其次，依托通用软件开发拱坝正反结构分析计算工具，并基于云计算平台利用Web集成技术建立拱坝在线快速结构分析平台；最后，以某特高拱坝为算例进行拱坝结构性态正反分析。研究成果表明，拱坝在线快速结构分析平台能够简便、快速、准确地分析拱坝结构性态，实现拱坝结构性态的评估、预测和诊断，有望成为大坝在线安全监控和运行安全管理的辅助决策工具。

关键词: 拱坝, 在线分析平台, 快速结构分析, 在线监控, 反演, 遗传算法, 有限元