工程科学学报2017，Vol.39Issue(9)：1436-1442,7.DOI:10.13374/j.issn2095-9389.2017.09.018
考虑土―结构相互作用的运转状态风电塔抗震分析
Seismic response analyses of a wind turbine under operating conditions considering soil--structure interaction
摘要
Abstract
A detailed three-dimensional finite element model including soil-structure interaction was developed for a 1. 5 MW on-shore wind turbine. A comparative study was performed to investigate the soil- structure interaction ( SSI) effects on the seismic re-sponses of the wind turbine under operating conditions. Wind speed time histories were converted to wind load time histories under the operating condition by using the FAST program. Simulation analysis was conducted using the EERA program to derive earthquake exci-tations at the base of the soil model. Then modal analyses and seismic response analyses were performed. The results show that soil-structure interaction has significant influences on the dynamic characteristics of the wind turbine tower, which results in amplification of the structural responses.关键词
风电塔/地震响应/土―结构相互作用/有限元分析Key words
wind turbine/seismic response/soil-structure interaction/finite element analysis分类
建筑与水利引用本文复制引用
戴靠山,毛振西,张玉林,赵志,梁发云..考虑土―结构相互作用的运转状态风电塔抗震分析[J].工程科学学报,2017,39(9):1436-1442,7.基金项目
能源工程安全与灾害力学教育部重点实验室开放基金(EES201603) （EES201603）
上海市国际科技合作基金项目(16510711300) （16510711300）
科技部"政府间国际科技创新合作"重点专项资助项目(2016YFE0105600) （2016YFE0105600）
