流固耦合系统库底边界对动水压力的影响

英文篇名：The Influence of Boundary Character of Reservoir Bottom on Hydrodynamics in Fluid-Structure Systems
中文刊名：西南交通大学学报
英文刊名：Journal of Southwest Jiaotong University
作者：晏启祥 ; 刘浩吾 ; 王忠
英文作者：YAN Qi xiang ; LIU Hao wu ; WANG Zhong (School of Hydropower Eng. ; Sichuan University ; Chengdu 610065 ; China)
中文关键词：水库 ; 耦合反应 ; 边界条件 ; 动水压力
英文关键词：reservoirs ; coupling reactions ; boundary conditions ; hydrodynamics
出版日期：2002-06-28
机构：四川大学水电工程学院,四川大学水电工程学院,四川大学水电工程学院四川成都610065 ,四川成都610065 ,四川成都610065
年：2002
期：03
出版单位：西南交通大学学报

摘要

推导了流固耦合系统库底吸收边界条件的影响矩阵 ,并计算了库底不同反射系数的坝体动力耦合反应。结果表明 :坝体的动力反应与库底边界条件密切相关 ,一般而言 ,反射系数愈大 ,坝体的动力反应也愈大 ,库水的动水压力也相应变大 ,因此忽略库底的吸收性将造成极大的误差
The influencing matrix of absorption boundary conditions of reservoir bottom in fluid structure system is derived, and the dynamic coupling reactions of the dam is calculated with different reflection ratios. The result shows that the dynamic responses of the dam are related closely to the characteristics of the reservoir bottom. The greater the reflection ratio is, the larger the dynamic responses of the dam and the hydrodynamics of the water in the reservoir are. Therefore, ignoring the absorption of the reservoir bottom will result in unacceptable errors.

引文

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