英汉例句

• hydrodynamic coefficients of the floating multibody system are calculated by the green′s function technique based on the threedimensional linear potential flow theory.

  根据三维线性势流理论，采用格林函数法，对多浮体系统的水动力系数进行了数值分析。

• the present paper proposes a fully three-dimensional numerical method for potential flow through an impeller by using nonlinear boundary element method.

  针对水力机械转轮中全三维势流流场，本文提出了一种有效的计算方法。

• pipe flowmeter is a very potential flow metering equipment.

  弯管流量计是一种有潜力的流量计量仪器。

• the three-dimensional potential flow inside the impeller of a screw centrifugal pump was analysed by the boundary element method.

  采用边界元法对螺旋离心泵叶轮中的三维势流进行了数值计算。

• in this paper, the down-wash integral equa. tion for the small perturbation transonic potential flow past an oscillating wing is established on the basis of local linearization concept.

  本文以小扰动位势流理论为基础，采用局部线化假设，建立了三维振动机翼的跨音速下洗积分方程；

• based on the unsteady incompressible potential flow theory, the swimming performance of the caudal fin is further studied.

  采用非定常势流理论对鱼类的尾鳍摆动推进功能进行了一系列的分析。

• a nonlinear slowly varying amplitude equation, which incorporates cubic nonlinear term, external excitation and the influence of surface tension, was derived from potential flow equation.

  通过求解势流方程，获得了一个包含三阶非线性项、外激励及表面张力影响的非线性振幅方程。

• based on the potential flow theory of liquid and vibration equation of cantilever beam, the free vibration problem of cantilever beam liquid cantilever beam coupled system is analyzed in this paper.

  应用流体的势流理论及悬臂梁振动方程，本文分析了悬臂梁流体悬臂梁耦联系统的自由振动问题。

• based on potential flow theory, a numerical method is proposed for predicting the steady and unsteady hydrodynamic performances of puller type podded propulsors.

  应用升力面理论涡格法和面元法，建立了拖式吊舱推进器非定常水动力性能的数值计算方法。

• a finite difference method is developed for computing the two-dimensional transient potential flow generated by an impulse on the free surface.

  本文提出计算二维非定常位势流动的有限差分法，流动是因自由表面任意瞬间扰动所产生的。

• the unsteady potential flow theory is used to analyses the flow field and hydro-dynamic calculation.

  将非定常势流理论用于应急上浮运动流场分析与水动力计算。

• making use of these results, we obtained an exact solution for the incompressible potential flow through a two-dimensional laval nozzle.

  利用这些结果得到了二元拉伐尔喷管内不可压缩位势流动的精确解。

• we take the potential flow equation as the mathematical model to describe the compressible flow.

  本文在位势流方程的模型下，来研究三维定常超音速流过斜坡的弱激波解的存在唯一性。

• the recent potential flow theory and finite-difference method are applied to generate orthogonal numerical grids and to compute two-d plane flow fields.

  运用新近的解析-数值势流理论方法，生成正交数值网格，用差分法计算出平面二维流场。

• assume linear, time-harmonic potential flow and utilize green identity, the governing laplace equation can be simplified into fredholm integral equation of the second kind.

  假定流体为势流，波浪为线性时间谐波，利用格林定理，可将拉普拉斯控制方程简化为第二类积分方程。

• in this paper, the nonlinear diffraction problem is studied with potential flow theory in frequency domain for three-dimensional floating body sailing in waves on deep water.

  本文应用势流理论和频域方法研究了三维浮体在深水域波浪中航行时的非线性绕射问题，该问题包括非线性兴波问题和非线性绕射问题。

• the singular behaviour of potential flow around the rectangular corners of floating bodies is presented.

  本文研究了浮体直棱角附近势流流场的奇异特性。

• the numerical treatments are made for the calculation of the potential flow field in a impeller with splitter blades.

  文中对具有分流叶片的叶轮势流场计算作出了数值处理。

• in order to develop the predictable and quantitative research technology, the potential flow theory was used to simulate the bottom?hole crossflow field.

  为了发展有预见性的定量化井底流场研究技术，应用势流理论对井底漫流场进行了数值模拟。

• a desingularized panel method was developed for calculating the three-dimensional nonlinear potential flow about a submerged ellipsoid moving at constant forward speed.

  本文开发了一种去奇异面元法用于计算以定常前进速度运动的近水面椭球体引起的三维非线性自由面势流。

• because the governing equations for compressible unsteady potential flow is hyperbolic, looking time dimension as space dimension in the same way is never appropriate.

  但由于可压缩非定常位势流动的控制方程是双曲型的，简单地把时间当作同空间一样的物理维来求解是不可行的。

• the three dimensional potential flow theory is applied to the analysis of the steady flow field of pwr upper plenum.

  本文将三维势流理论应用于压水堆上腔室稳态流扬分析。

• based on potential flow theory, current velocity and ferrying velocity is considered. confirmative conditions of the velocity potential are established by means of transforming coordinates.

  该方法基于势流理论，考虑门桥的漕渡速度和水流速度，通过坐标变换，确定了速度势的适定性条件。

• the general analytic solution for the potential flow in an elliptical area with a coaxial elliptical hole was found by combining similar flow substitution and flow area division.

  采用分区域解法，给出了中心有椭圆孔的椭圆形区域内位势流动问题的解析通解。

• in regular waves, the hydrodynamic forces acting on a single floating body can be obtained from the potential flow theory.

  单个系泊浮体在规则波作用下，所受的流体动压力用势流理论计算。