| 基于ALE有限元法的储液罐耦合竖动响应研究 |
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| 引用本文： | 魏述和,张燎军,闫毅志. 基于ALE有限元法的储液罐耦合竖动响应研究[J]. 水电能源科学, 2009, 27(3) |
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| 作者姓名： | 魏述和 张燎军 闫毅志 |
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| 作者单位： | 1. 河海大学,水利水电工程学院,江苏,南京,210098
2. 昆明理工大学,电力工程学院,云南,昆明,650051 |
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| 基金项目： | 国家自然科学基金资助项目 |
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| 摘 要： | 推导了一种基于ALE描述弱可压缩液体与结构非线性耦合求解的分步有限元数值计算法,速度与压力使用同阶线性插值,并对耦合系统的竖动响应进行了分析.通过二维黏性流体大晃动问题实例计算,验证了该法简便、可行有效.
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| 关 键 词： | 弱可压缩流体 流固耦合系统 非线性晃动 ALE分步有限单元法 |
Study on Dynamic Response of Tank Coupling System under Vertical Excitation by ALE Finite Element Method |
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| WEI Shuhe ZHANG Liaojun YAN Yizhi. Study on Dynamic Response of Tank Coupling System under Vertical Excitation by ALE Finite Element Method[J]. International Journal Hydroelectric Energy, 2009, 27(3) |
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| Authors: | WEI Shuhe ZHANG Liaojun YAN Yizhi |
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| Affiliation: | 1.College of Water Conservancy and Hydropower Engineering;Hohai University;Nanjing 210098;China;2.College of Electric Power Engineering;Kunming University of Science and Technology;Kunming 650051;China |
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| Abstract: | This paper establishes coupled finite element equations of coupling system solved by iteration method.Thus,a new ALE fractional steps finite element method which could solve nonlinear slightly compressible fluid-solid coupling system is presented.This method is useful because one can use the same linear interaction functions for both velocity and pressure.To confirm the effectiveness of the method,large-amplitude two-dimensional viscous fluid sloshing in a tank is simulated and good agreement is obtained in... |
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| Keywords: | slightly compressible fluid fluid-structure coupling system nonlinear sloshing ALE fractional steps finite element method |
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