The open angle , head loss and hydrodynamic pressure under the rated flow and several kinds of proportion are carefully observed in the model test , and these results are given for reference in engineering design 阶段模型试验中详细观测了在额定流量下，不同比重拍门的开启角度，水头损失及门体动水压力变化情况，以供工程设计应用参考。
Two numerical examples are given . the results show the effectiveness of the procedure . by means of the program fsi , the dynamic stresses of the blade caused by the hydrodynarm ' c pressure under varied situations are analyzed 通过3个算例证明了所提出的计算方法及程序的有效性，并对转轮在不同工况下动水压力产生的动应力进行了计算分析。
The total pressure is subdivided into the hydrostatic and residual hydrodynamic components . k - e turbulent flows model , non - staggered curvilinear grids , momentum interpolation , simplec and simpler algorithms are used to solve the basic equations 水流运动方程压力项分解为静水压力和动水压力，紊动粘性系数由k紊流模型求解，非交错网格减化方程离散，降低插值运算。
The semi - analysis method is used to analyze the relationship between hydrodynamics and the earthquake ' s frequency and the influence of surface wave on hydrodynamics . it is concluded that the earthquake ' s frequency has an important effect on the hydrodynamics , but the surface wave of water can be omitted in engineering design 用半解析法分析了动水压力与与地震输入频率的关系以及库水表面重力波对动水压力的影响，表明动水压力的大小和地震输入频率有密切联系，而重力波的影响在工程计算中则可以忽略。
It also includes three aspects : ( 1 ) can decrease the strength of the structure surface ; ( 2 ) can increase the weight of the land slope ; ( 3 ) the dynamic hydraulic pressure can decrease the stability of the land slope . the third , the analysis of the relationship between rainfall and the displacement of land slope . by means of studying on landslide kafang , gejiu and dahongshan , xinping with plenty of observed data about the rainfall and the displacement , the thesis analyzed the regularity of landslide 通过对国内外边坡工程的稳定性分析的资料学习研究和两个滑坡的工程实例的研究，阐述了： ( 1 )边坡工程研究领域中稳定性分析的主要方法，并根据计算过程和结果，提出稳定性分析的一些改进的建议； ( 2 )降雨对边坡稳定性的影响，主要是三个方面：一是软化结构面的强度，二是增加滑体的自重，三是动水压力降低滑坡稳定性； ( 3 )降雨与滑坡变形的关系分析，通过多次的变形观测资料和降雨资料，研究滑坡变形的规律性。
About the load , consider the vertical load , when under the action of water , consider the horizontal still water press , the press which erects to the surface of slide , and consider the effect of hydrodynamic load and earthquake . ( 3 ) the software about the frame design , apply the stiffening bar method and elastic foundation method to account the endogen 对于荷载(或工况) ，考虑了外加垂直荷载；在有水作用的情况下，考虑了水平静水压力，垂直滑面的静水压力(也叫浮托力) ；考虑动水压力的影响；同时也考虑了地震的影响。
The flow regime inside of the tunnel , the characteristics of hydrodynamic load , the hydrodynamic pressure feature at the gate slot and the vent air speed during the shutting of the gate is studied through model test , and then the reliability of the gate , the feature of the vent air speed and the pressure at the gate slot during the shutting of the gate are analyzed based on the test result concerned 通过模型试验研究了事故闸门关闭过程中泄洪洞内的水流流态、门体的水动力荷载特性以及门槽段动水压力特性、通气孔风速，并根据试验结果分析了该闸门动水下门过程中的可靠性，通气孔风速特性和门槽段压力特性。
Based on the fem model of the dam - reservoir system , the influence of water compressibility to the hydrodynamics is systemically analyzed and researched . it is showed thaf the water compressibility has significant effect to the size and distributing of hydrodynamics on the high dam , and the absorbency of reservoir bottom has a role as a damper on the dam - reservoir system 基于库水体各类边界条件的有限元模型，系统分析了可压缩性对坝体动力响应的影响，表明水可压缩性对高坝动水压力强度和分布具有显著影响，而库底边界条件对大坝的地震反应有抑制作用。
The plane - wave analytic solution of the coupled fluid - air - solid system and the fem model of air cushion isolations are applied to study the influence of air cushion on earthquake response of dams . the calculations show that air isolation will reduce the hydrodynamic pressure significantly and restrain the dam vibrations during earthquakes . if the dam and reservoir is isolated by air cushions , it will decrease the hydrodynamic pressures by more than 90 % and the seismic stresses by 20 - 30 % 将本文首次提出的水体-气体-结构系统的平面波作用理论解和三维有限元模型，应用于溪洛渡双曲拱坝的抗震安全性和气幕隔震可行性研究中，表明气幕对高拱坝具有良好的隔震性能，可降低动水压力90以上，坝体地震拱应力20 30 ，减震效果显著，并使坝体的抗拉安全系数从0 . 93提高到3 . 58 。
