动水压力
- 网络Hydrodynamic pressure;Dynamic Water Pressure;hydrodynamic force
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根据渗透理论和相似理论,解算水位骤降时模型条件下的动水压力合力矢量,采用施加集中力的方法模拟动水压力;
According to seepage force theory and similarity laws , the resultant hydrodynamic force was obtained by concentrated loading .
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本文通过数值模拟方法计算分析了地震作用下海底流场及管道动水压力的分布规律和影响因素,最终提出地震作用下海底悬跨管道水动力模型系数。
Numerical simulation method is employed to analyze fluid field , hydrodynamic force and influential factors of free spanning submarine pipeline subjected to earthquake .
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重点研究了在ANSYS中考虑动水压力的两种方法,即有限域内附加质量法和顺序弱耦合算法。
Two methods considering dynamic water pressure in ANSYS were studied , which were finite field addition mass method and sequence weak coupling solving method .
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本文应用任意拉格朗日-欧拉(ALE)有限元方法对比分析大型三维排架支撑矩形、U形渡槽结构地震响应,以获得渡槽中动水压力资料。
Arbitrary Lagrangian-Eulerian ( ALE ) method is employed to study the earthquake responses of frame-supported large-scale rectangular and U-shaped aqueduct structure to get data of hydrodynamic pressures .
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结果表明,除海底岩土密度外,海底岩土剪切模量、泊松比以及入射SV波的频率和方向对悬浮隧道所受的动水压力均有较大影响。
It could be concluded that all the parameters have significant effects on the hydrodynamic pressure on Submerged Floating Tunnel except the submarine and soil density .
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其次,基于ANSYS中的顺序弱耦合求解方法,研究了U型结构动水压力随时间的变化过程以及水体晃动的流固耦合问题。
Secondly , based on the sequence weak coupling solving method in ANSYS , the variational course adapt to time of dynamic water pressure and structure-liquid coupling problem of water body sway of U-type structure were studied .
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采用微分求积法(DQ)在流体-结构相互作用(FSI)框架下求解原变量形式的Navier-Stokes(N-S)方程和板的弯曲振动方程,获取作用在弹性板上的动水压力场。
The differential quadrature ( DQ ) method is firstly applied to solve three-dimensional incompressible Navier-Stokes equations in primitive variable form with the fluid-structure interaction ( FSI ) .
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分析了不同海底岩土参数与平面SV波的不同频率和方向对悬浮隧道所受的动水压力的影响。
Subsequently , the effects of different submarine rock and soil parameters , and different frequencies and directions of plane SV-wave on the hydrodynamic pressure on submerged floating tunnels are analyzed .
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在渡槽的抗震设计中,应充分考虑U形截面渡槽动水压力和动应力分布变化问题,动水压力应该作为一项主要的外荷载予以考虑。
Therefore , the irregular distribution of hydrodynamic pressure and stress in the U shaped aqueduct should be paid enough attention , and the hydrodynamic pressure should be treated as an important external load in the seismic design of large aqueduct .
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采用Morison方程的基本理论,将水视为附加质量,利用有限元方法来分析动水压力对深水桥墩地震响应的影响。
With the famous Morison Equation , the water is considered as the added pseudo mass , and the finite method is used to analyze the seismic responses of bridge pier .
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本文以已进行的桩基桥墩结构的振动台试验为基础,考虑动水压力的影响,建立桩基桥墩结构的有限元模型,通过ANSYS分析得出结构损伤程度和损伤结构在地震作用下的动力响应。
In the text , considering the impart of hydro dynamic pressure , the author establishes the finite element model of a pile-pier structure based on the shaking table test . Through the ANSYS analysis , structure damage degree as well as dynamic response of damaged structure can be known .
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基于Biot动力固结理论,设计了两种反映车轮荷载移动效应的数值模拟方法,并利用该方法对多种工况下路面内的动水压力长消规律进行数值模拟。
Based on the Biot dynamic consolidation theory , designed two numerical simulation methods reflecting mobile effect of wheel load , and using the methods to numerically simulate the regular of dynamic pore water pressure under several different conditions .
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应力强度因子KI、KII、K0随弹模比的增加而减少,随裂缝长度的增加而增加,地震动水压力对重力坝裂缝影响较大。
Stress intensity factors KI , KII and K0 change in reverse proportion to the ratio of elastic module while in direct proportion to the crack length . Earthquake hydrodynamic pressure has a fairly strong influence on the cracks .
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研究表明,计及动水压力修正系数后得到的计算结果和实测值相对差的根方差比Ippen理论计算结果的相应根方差小得多。
As a result it has been proved that the relative error of the result calculated by the revised theory is much smaller than that obtained from Ippen theory .
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拱坝地震动水压力分析的配点法
A collocation method for dynamic water pressure calculation of arch dams
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大型船闸动水压力原型观测系统
A Prototype Observation System for Hydrodynamic Pressure of a Large Gate
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各型二元挡水板或墙上的地震动水压力
Hydrodynamic Pressures on Various Submerged Walls or Plates due to Earthquakes
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考虑表面波影响时挡水结构的动水压力
Hydrodynamic Pressures on Retaining Structure Considering Effect of Water Surface Wave
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动水压力对深水桥梁性能设计的影响
Effect of hydrodynamic pressure on performance-based design of a deepwater bridge
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拱坝坝面动水压力的加权余量解法
Weighted Residual Method for Analysis of Hydrodynamic Pressures on Arch Dams
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库水中淤沙对刚性坝的动水压力影响
Dynamic Pressure of Water and Sediment in Reservoir on Rigid Dam
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水力自动滚筒闸门动水压力的模型试验
Model experiment study on dynamic hydraulic pressure of hydro-automatic roller gate
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边界元法求解振动边界的动水压力
Calculation of Dynamic Pressure of Vibrating Boundary by Boundary Element Method
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地震动水压力对深水桥墩的影响
Hydrodynamic Effect on Seismic Response of Bridge Pier in Deep Water
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挡水坝动水压力的一个有效解法
An Effective Method for Analysis of Hydrodynamic Pressure on Rigid Dams
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挡水结构地震动水压力时域有限元分析
Analysis of Hydrodynamic Pressure on Retaining Structure during Earthquakes Using Time-Dependent FEM
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非直立坝面的地震动水压力
Hydrodynamic load on non - vertical dam surface during earthquake
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非淹没丁坝动水压力研究
Study on dynamical head pressure formed near spur dike of non-overflow type
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贮水池动水压力计算探讨
Discussion of Calculation to the Dynamic Water Pressure of Water Storage Tanks
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混凝土坝动水压力与库水可压缩性效应
Hydrodynamic Pressure on Concrete Dams and Reservoir Water Compressibility Effect