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刚性旋转
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  rigid rotation
     A model of three dimensional disk galaxy with a central region of rigid rotation and an outer region of flat rotation is discussed. A basic equation governing the projected surface density distribution of disk is derived by Bessel Fourier transform based on fundamental equations of galactic dynamics and Possion equation. The numeric model of the Galaxy is found from observing data.
     盘星系旋转曲线的特征是:内部刚性旋转,外部呈现为平直性.利用这个特征,从星系动力学方程组出发,以星盘的Possion方程为基本方程,由Bessel-Fourier变换导出了决定星盘物质投影面密度的方程.在此基础上,利用银河系的有关观测资料,用数值方法建立了银河系的物质分布模型.
短句来源
     A new quadrilateral plane isoparameteric element with rotational degree of freedom at each corner is conformed from twelve node Serendipity element,by introducing the hypothesis of the rigid rotation of corner node. The rotation of the corner node expressed with the rotation of the node along the borderline simplifies the problem and improves the precision,and the rotational definition of the element is the same as that of continuum mechanics.
     从12节点Serendipity单元出发,在角点处引入刚性旋转假设,构造出角节点具有旋转自由度的四边形等参单元.采用角点沿边方向的转角来表示这一点的转角,使问题得到简化,精度提高,并具有连续介质力学中关于旋转度的定义.
短句来源
  “刚性旋转”译为未确定词的双语例句
     FINITE ELEMENT ANALYSIS OF DYNAMIC RESPONSE OF LIQUID IN A RIGIDAXISYMMETRICAL TANK EXCITED SEISMICALLY
     地震力作用下刚性旋转壳储液罐液体动力反应的有限元分析
短句来源
     DYNAMIC RESPONSE OF LIQUID IN A RIGID AXISYMMETRICAL TANK EXCITED BY GROUND MOTION
     地震力作用下刚性旋转壳贮液罐液体的动力反应
短句来源
     By use of the finite element method the dynamic response of liquid in a rigid axisymmetrical storage tank which is excited by the lateral component of an earthquake motion has been analyzed.
     本文利用有限单元法分析了在水平地震作用下刚性旋转壳储液罐液体的动力反应。
短句来源
     If the cylinder rotates at a constant speed until the water and the cylinder act together as one rigid unity, the calculated free surface shape is very close to that predicted by the theoretical formula, which proves that the treatment to the free surface is correct.
     当圆筒长时间等速旋转,其内流体与筒体一起作刚性旋转时,计算自由表面形状与流体力学理论公式的预言吻合得很好。
短句来源
     The relative equations has been derived to solve for 12 kinematic parameters:three components of solar motion,three components of rotation,three components of the shear motion,and three components of Galactic contraction or expansion.
     给出了相关公式的推导和建立 1 2参数运动学条件方程 ,包括 3个太阳运动速度分量 ,3个银河系刚性旋转分量 ,3个较差旋转分量 ,以及 3个银河系收缩和膨胀运动分量。
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  相似匹配句对
     ELLIPTIC REVOLUTION
     椭圆旋转
短句来源
     Spin Control
     旋转控制
短句来源
     The rigid jointer is replaced by the flexible jointer in a revolving system.
     用柔性联接器代替旋转系统各转子之间的刚性联接。
短句来源
     The rigid drive of rotating machinery is replaced by the flexible drive.
     对旋转机械,用柔性联接驱动代替刚性联接驱动。
短句来源
     Rigidity Theorems for Submanifolds
     子流形刚性定理
短句来源
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  rigid rotation
These thermal patterns are related to long-lived magnetic fields that are characterized by rigid rotation.
      
As a result, an extended portion that imitates nearly rigid rotation appears.
      
Since both magnetic-field systems exhibit quasi-rigid rotation, their current systems must either be concentrated in a narrow latitude range or be situated beneath the convection zone, where rotation is only weakly differential.
      
The mechanism is governed by the possible regular displacement of plasma particles in a certain direction, e.g., due to the rigid rotation of the plasma column.
      
The effects of a rigid rotation on the two-dimensional electron gas are studied.
      
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By use of the finite element method the dynamic response of liquid in a rigid axisymmetrical storage tank which is excited by the lateral component of an earthquake motion has been analyzed. The theoretical analysis and the finite element formulation are based on the assumption that liquid in the tank is an ideal fluid and the liquid flow in the tank is irrotational, sourceless and sinkless.Only for cylindrical tank, there is analytic solution to the above-mentioned problem. The sloshing natural frequencies...

By use of the finite element method the dynamic response of liquid in a rigid axisymmetrical storage tank which is excited by the lateral component of an earthquake motion has been analyzed. The theoretical analysis and the finite element formulation are based on the assumption that liquid in the tank is an ideal fluid and the liquid flow in the tank is irrotational, sourceless and sinkless.Only for cylindrical tank, there is analytic solution to the above-mentioned problem. The sloshing natural frequencies and the seismic responses of liquid in tank obtained by means of the program designed on the basis of the theoretical analysis and the finite element formulation established in this article are accurate as compared with those obtained from the analytic solution. Using the same program, we also found that the accuracy of the Housner's method was rather high although it is an approximate method and it can only give the fundamental sloshing frequency.

本文利用有限单元法分析了在水平地震作用下刚性旋转壳储液罐液体的动力反应。理论分析与形成有限单元公式所作的基本假设是罐内液体为理想流体以及它的流动是无旋、无源和无汇的。 上述问题只有在圆柱形罐时才有解析解。根据理论分析与本文所建立的有限元公式设计了计算机程序,用它算出的储液罐内液体晃动的固有频率与地震动力反应值与解析解相比具有很好的精确度。我们利用这一程序计算还得出:尽管Housner's法是一种近似法,它只能求出液体晃动的基频,但该法具有相当的精确度。

In this paper the unstability in a barotropic vortex is discussed. The unstable condition of the vortex block of rigid rotation is given. It is shown that unstable waves of two kinds can be generated by different boundary conditions. There are the identical waves with theoretical analyses in a specified position of a tropical cyclone.

本文对正压涡旋上的不稳定问题作了讨论,给出了刚性旋转涡块失稳的研究结果。研究表明,这种情况下依边界条件的不同,可有两类不稳定波动发生,在热带气旋的特定部位,有与该理论分析相一致的波动存在。

On the basis of nonlinear continuum mechanics,the total Lagrangian method is used to develop CONDEP,an FEM consolidation analysis program for plane problems of small strain elasto plastic soils is developed for large strain analysis.The effect of rigidity rotation constant is observed while the modified Cam clay model is used in constitutive laws.The program is verified with a semi analytical solution.Computation is conducted for a soft ground for comparison of the results of small strain theory with those...

On the basis of nonlinear continuum mechanics,the total Lagrangian method is used to develop CONDEP,an FEM consolidation analysis program for plane problems of small strain elasto plastic soils is developed for large strain analysis.The effect of rigidity rotation constant is observed while the modified Cam clay model is used in constitutive laws.The program is verified with a semi analytical solution.Computation is conducted for a soft ground for comparison of the results of small strain theory with those of large strain one.

基于非线性连续介质力学的基本理论,采用TotalLagrangian法(即TL法),在原有的小变形弹塑性软土固结程序Condep基础上,编制了二维大变形平面固结问题有限元计算程序,其中采用软土修正Camclay本构模型时,考虑了刚性旋转不变性的影响.验证了程序的正确性,并就一典型的软土地基进行计算,所得结果与小变形理论结果作了对比.

 
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