势流问题大量采用边界元方法数值求解。
Boundary element method is the most widely used method for potential flow.
用流网法解平面势流问题，这是大家所熟知的。
It is well known to solve the planar potential flow problem by hydraulic flow net.
理想流和势流。
文中对具有分流叶片的叶轮势流场计算作出了数值处理。
The numerical treatments are made for the calculation of the potential flow field in a impeller with splitter blades.
本文将三维势流理论应用于压水堆上腔室稳态流扬分析。
The three dimensional potential flow theory is applied to the analysis of the steady flow field of PWR upper Plenum.
本文用尾流模型解决了超空泡平板翼栅非线性势流问题。
The nonlinear potential flow problem of the surpercavitating flat-plate cascade is solved by employing the wake model.
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。
The unsteady potential flow theory is used to analyses the flow field and hydro-dynamic calculation.
从势流理论出发，建立了选煤跳汰机机体的二维静态数学模型。
Based on the theory of potential flow, a two-dimensional static mathematical model of the body of a coal washing jig has been constructed.
本文采用三维势流理论求解两船在波浪中相互干扰的耦合运动。
A3D potential flow theory is carried out to solve the wave-induced coupled motions be-tween two ships.
本文以理想流体的势流理论为基础，建立高速双体船的数学模型。
Based on the potential theory of ideal fluid, this paper gives a type of mathematical model of high-speed catamaran.
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。
In regular waves, the hydrodynamic forces acting on a single floating body can be obtained from the potential flow theory.
有压管道中凸体绕流的势流一般解可采用解析函数在辅助平面上获得。
The general solution for potential flow past irregularities im a pressure conduit can be obtained in auxiliary plane by use of analytic functional theory.
表明本方法用于计算存在自由面的二层不掺混不可压势流问题是有效的。
So with our method, it is effective to solve the problems containing two kinds of incompressible potential flows of a free interface.
采用非定常涡格法对摆推水翼进行了势流数值分析并进行了相关试验研究。
Numerical calculation of unsteady potential flow for swinging hydrofoil is processed with Vortex Lattice Method (VLM) and interrelated hydrofoil experiment was also made.
在线性有势流的假定下，用特征函数展开方法求出了内部和外部流场的解。
Under the assumptions of linearized potential flow, the coupled problem of flow in the interior and exterior fluid regions was solved by an eigenfunction expansion approach.
本文提出利用三维势流理论和薄壁梁理论计算大开口集装箱船的水弹性问题。
Both the three-dimensional potential theories and thin-walled beam theories are applied to the hydroelastic analysis of container ships with large deck openings in this paper.
为了避免由于势流假设引起的不准确性，螺旋桨设计者引入了实效伴流的概念。
To avoid the inaccuracy caused by this potential flow assumption, propeller designers have introduced the notion of the effective wake.
本文提出拖式吊舱螺旋桨(螺旋桨位于吊舱首部)定常水动力性能的势流理论计算方法。
A numerical method based on the potential flow theory is proposed in this paper for predicting the steady performance of tractor-type podded propellers.
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。
The recent potential flow theory and finite-difference method are applied to generate orthogonal numerical grids and to compute two-D plane flow fields.
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。
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.
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 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.
基于势流理论，考虑流场的可压缩性，首先利用积分变换导得了势流问题的一个动力学倒易定理。
A reciprocal theorem of dynamics for potential flow problems is first derived by means of the Laplace transform in which the compressibility of water is taken into account.
以势流理论为基础，本文用不可压流涡段所产生的扰动流场的线性叠加，计算涡分离流动的流场。
Based on the potential theory, a linearity combination of the disturbance flow field generated by the uncompressible vortex part was applied in the computation of separate vortex flow.
结果表明：壁面处网格正交性对附面层内流动计算预测精度影响较大，而对势流区流动影响很小；
The investigation demonstrates that the intersection angles of grid lines at solid walls have significantly influence on the predicted results in the boundary layer regions;
本文应用高阶边界元的数值方法，基于三维线性势流理论在时域内实现了浮筒运动响应的数值模拟。
In this paper, the motion of buoy is obtained numerically using a high-order boundary element method in the time domain based on the linear 3-d potential theory.
例如：弹性膜的平衡问题，稳定状态的热传导问题，不可压缩势流问题，静电场问题以及静磁场问题。
Such as: the balance of elastic membrane, the heat conduction of stationary state, the incompressible potential flow, the problem of electrostatic field and magnetostatics field.
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。
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.
所以，实效伴流是对基于势流理论的螺旋桨分析方法的修正，它包含了螺旋桨和来流之间的相互影响。
So the effective wake is the properly correction to the propeller analysis method based on potential flow theory which includes the interaction between the propeller and the inflow.
分析了非线性横摇方程中势流阻尼、非线性阻尼以及在横向规则波作用下波高和频率对安全池的影响。
The influences of potential damping, nonlinear viscous damping, wave heights and wave frequencies in regular beam waves on …
分析了非线性横摇方程中势流阻尼、非线性阻尼以及在横向规则波作用下波高和频率对安全池的影响。
The influences of potential damping, nonlinear viscous damping, wave heights and wave frequencies in regular beam waves on …
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