- 摘 要
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劉海卿1,2,杜 巖1,于春艷1
(1 遼寧工程技術(shù)大學(xué),阜新123000; 2 大連理工大學(xué),大連116024)[摘要] 以華能阜新風(fēng)力發(fā)電塔架為例,首先基于集中質(zhì)量模型和彈簧系數(shù)法建立土-結(jié)構(gòu)相互作用(SSI)計(jì)算模型,分析葉片轉(zhuǎn)動(dòng)產(chǎn)生的軸力,采用塔架動(dòng)力分析方法考慮塔架動(dòng)力特性以及葉片與塔架的耦合,將其與機(jī)艙、葉片簡(jiǎn)化為集中質(zhì)量附加塔架頂部,根據(jù)D.Alembrt原理建立錐形管風(fēng)電塔架結(jié)構(gòu)動(dòng)力方程,建立考慮土-結(jié)構(gòu)相互作用的錐形管風(fēng)電塔架的有限元模型,將其與基礎(chǔ)約束全部自由度條件錐形管風(fēng)電塔架做對(duì)比分析,得出考慮土-結(jié)構(gòu)相互作用的風(fēng)電塔架地震作用的位移和加速度都得到很好的控制。
[關(guān)鍵詞] 錐形管風(fēng)電塔架;地震響應(yīng)分析;土-結(jié)構(gòu)相互作用Considering soil-structure interaction tapered pipe wind power tower earthquake response analysis
Liu Haiqing1,2, Du Yan1, Yu Chunyan1
(1 Liaoning Technical University, Fuxin 123000, China; 2 Dalian University ofTechnology, Dalian 116024, China)Abstract: Huaneng Fuxin wind tower, for example, the first model based on lumped mass and spring coefficient method of soil-structure interaction (SSI) calculation model, the axial force generated by blade rotation, consider using dynamic analysis tower dynamic characteristic of the blade and the tower of coupling it with the cabin, leaves reduced to focus on the quality of an additional tower at the top, according to D.Alembrt theory tapered tube set up wind power tower structural dynamic equations, based on consideration of soil-structure interaction wind power tower tapered tube finite element model, based on its constraints and conditions of all the freedom to do tapered pipe wind tower compared and analyzed considering the soil - structure interaction of the wind tower seismic displacement and acceleration have been well controlled.
Keywords: conical tube wind tower; seismic response analysis, soil-structure interaction
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