| 混流式水轮机转轮内流固耦合的有限元模型 |
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| 引用本文： | 蔡敢为,蓝永庭,李兆军,杨旭娟.混流式水轮机转轮内流固耦合的有限元模型[J].广西大学学报(自然科学版),2008,33(1):35-39. |
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| 作者姓名： | 蔡敢为 蓝永庭 李兆军 杨旭娟 |
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| 作者单位： | 广西大学,机械工程学院,广西,南宁,530004 |
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| 基金项目： | 国家自然科学基金
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教育部科学技术研究重点项目
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广西科学基金
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广西新世纪十百千人才工程基金 |
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| 摘 要： | 通过分析转轮在发电机组运行时的运转特点,推导出了转轮内部流体域以及叶片固体域的运动微分方程和边界条件,并根据变分原理,运用加权余量的迦辽金法,建立了转轮内部流固耦合有限元模型,模型反映了流体参数,机械振动状态以及叶片结构参数的相互关系.
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| 关 键 词： | 混流式水轮机 流固耦合 有限元模型 变分原理 |
| 文章编号： | 1001-7445(2008)01-0035-05 |
| 修稿时间： | 2007年11月19 |
The finite element model on the system of fluid-structure interaction in runner of francis hydro-generator |
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| CAI Gan-wei,LAN Yong-ting,LI Zhao-jun,YANG Xu-juan.The finite element model on the system of fluid-structure interaction in runner of francis hydro-generator[J].Journal of Guangxi University(Natural Science Edition),2008,33(1):35-39. |
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| Authors: | CAI Gan-wei LAN Yong-ting LI Zhao-jun YANG Xu-juan |
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| Institution: | CAI Gan-wei,LAN Yong-ting,LI Zhao-jun,YANG Xu-juan(College of Mechanical Engineering,Guangxi University,Nanning 530004,China) |
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| Abstract: | The differential equations of motion and boundary conditions were deduced on solid field of runner blades and the fluid domain according to the analysis of the operating characteristics of hydroturbine runner in this paper.In accordance with the variational principle,the finite element model on the fluid-structure interaction in runner was established by the weighted residuals Galerkin method.This model reflects the mutual relationship of the state of fluids,mechanical vibration and the structure of blades. |
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| Keywords: | francis hydro-generator fluid-structure coupling finite element model variational principle |
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