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垂向流速断面
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  vertical velocity profile
     We always emphasize that it is important to exactly model waves. Based on the Boussinesq equation, divide the vertical velocity profile into several layers, then integrate the velocity profile in every layer, evaluate the average velocity in the every layer, and use this average velocity to replace every layer velocity ,add up to the interface boundary conditions of each layer to resolve the velocity and free-face,thus acquiring the exact wave model .
     对波浪进行精确的数值模拟一直是人们所关注的,采用在Boussinesq方程的基础上将垂向流速断面进行分层,在每一层中对流速断面进行积分,求得各层平均流速,用此平均流速来代替每一层的流速,并在各层间加上界面边界条件,以求出流速和自由表面位移,这样可以得出精确的波浪数学模型。
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  相似匹配句对
     Calclation of Cross sectional Velocity Distribution of Natural Rvier
     天然河道断面流速分布计算
短句来源
     Study on velocity distribution function of river cross section
     河道断面流速分布函数研究
短句来源
     Anisotropy of soil properties decreased the variability of the vertical Darcian flux.
     土壤介质的各向异性降低垂向达西流速的变异性。
短句来源
     An increase of the vegetation density leads to reduce cross sectional area and increases flow resistance.
     流速垂向变化反映了植被密度变化的影响。
短句来源
     Average vertical velocity component within transects(Nos.1,2 and 4) in the spawning sites was 2.10 cm/s higher than others. From No.
     产卵区内12、和4号断面垂向平均流速值较其他断面约高2.10 cm/s;
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  vertical velocity profile
It is shown that for relatively large steady-state flow velocities and at certain fluid depth ratios the vertical velocity profile is nonlinear.
      
Two flow visualization techniques, the shadowgraph and the hydrogen bubbles, are combined to facilitate simultaneous observation of the vertical velocity profile and the density interfaces in a stratified mixing layer in an annulus.
      
The vertical velocity profile of the steady helium jet is measured at different vertical distances.
      
The probes were moved by micrometric screws, so that the vertical velocity profile was measured.
      
In April 1990 a site was established in Lake Michigan to continuously monitor the offshore thermal structure and vertical velocity profile.
      
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We always emphasize that it is important to exactly model waves.Based on the Boussinesq equation, divide the vertical velocity profile into several layers, then integrate the velocity profile in every layer, evaluate the average velocity in the every layer, and use this average velocity to replace every layer velocity ,add up to the interface boundary conditions of each layer to resolve the velocity and free-face,thus acquiring the exact wave model .Here, we discuss the regular wave evolution over a submerged...

We always emphasize that it is important to exactly model waves.Based on the Boussinesq equation, divide the vertical velocity profile into several layers, then integrate the velocity profile in every layer, evaluate the average velocity in the every layer, and use this average velocity to replace every layer velocity ,add up to the interface boundary conditions of each layer to resolve the velocity and free-face,thus acquiring the exact wave model .Here, we discuss the regular wave evolution over a submerged breakwater to validate the accuracy by using the Two-layer Boussinesq model in the practical engineering .

对波浪进行精确的数值模拟一直是人们所关注的,采用在Boussinesq方程的基础上将垂向流速断面进行分层,在每一层中对流速断面进行积分,求得各层平均流速,用此平均流速来代替每一层的流速,并在各层间加上界面边界条件,以求出流速和自由表面位移,这样可以得出精确的波浪数学模型。本文例举了规则波经过淹没潜堤时的传播变形实验,验证了二层Boussinesq模型在实际运用中的精确性。

 
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