Dynamic characteristics of tower structure based on finite element analysis - 文章详情页

作者：

Liu, Tianliang (Liu, Tianliang.) | Shang, Deguang (Shang, Deguang.) (学者：尚德广) | Ren, Chonggang (Ren, Chonggang.) | Nan, Jingyang (Nan, Jingyang.)

收录：

EI Scopus

摘要：

Natural　frequencies　of　tower　structure　under　two　damage　conditions　were　obtained　by　dynamic　testing　and　finite　element　analysis.　The　results　showed　that　finite　element　model　is　correct,　so　seven　kinds　of　damage　conditions　for　the　tower　structure　were　analyzed　by　finite　element　analysis.　Effects　of　various　damage　cases　on　the　natural　frequency　were　studied,　it　could　be　found　that　effects　of　the　same　damage　at　different　locations　on　the　natural　frequency　were　different.　Effects　of　various　severities　of　damage　on　the　natural　frequency　were　identified,　and　found　that　effects　of　various　severities　of　damages　on　the　natural　frequency　could　be　divided　into　three　stages.　These　results　can　provide　a　valuable　reference　for　damage　detection　by　measuring　change　of　the　natural　frequency.　©　2011　IEEE.

关键词：

Natural frequencies Finite element method Damage detection Dynamic analysis Towers

作者机构：

[ 1 ] [Liu, Tianliang]College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing 100124, China
[ 2 ] [Shang, Deguang]College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing 100124, China
[ 3 ] [Ren, Chonggang]College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing 100124, China
[ 4 ] [Nan, Jingyang]College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing 100124, China

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