重点讨论了水动力计算的稳定算法。
A stable algorithm for solving the hydrodynamic coefficients is presented.
本文建立了锅炉锅内水动力计算的数学模型。
A mathematical model for hydrodynamic calculation of the boiler circuitry is established.
本方法可用于水翼及水下安定翼和各种舵的水动力计算。
This method can be used for the hydrodynamic computation of the varied hydrofoils and stabilizing fins.
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.
本文对复合循环热水锅炉水动力计算方法进行了理论推导，并给出了计算实例。
This paper deals with a theoretical study of the hydrodynamic computatation method for use bined circulation hot-water boiler with specific calculation, examples being given.
分析工业锅炉自然循环的水动力计算特点，对简单及复杂循环回路的计算方法提出建议。
Analysis the character of hydrodynamic calculation for natural circulation of industrial boiler and give the recommendation of calculation method for simple and complex circulation circuit.
理论预报采用STF法，在水动力计算中加入粘性与航态修正；在船模拖曳水池进行耐波性试验。
STF method with modification of viscous and bow up state was used for theory prediction, and model test for sea-keeping performance was done in towing tank.
在水动力计算过程中考虑了洋流和季风等长周期动力因素，研究了温排水在这种长周期动力条件下的扩散规律。
In the process of hydrodynamic calculation, ocean current and monsoon have been added to the model, and the diffusion law of cooling water under the condition has been studied.
高温取热炉传热计算和水动力计算结果表明热负荷较低时，水循环容易发生停滞。水循环回路结构复杂容易导致并联管内的流量分配不均匀性较大。
The heat transfer and hydrodynamic calculation results of the waste heat boiler show that water circulation is stagnant when the thermal load is very low.
计算结果均表明，本文的一维水动力学模型能较好地模拟漫滩河道的过流特征，并改善了漫滩河道洪水演进的模拟与预测能力。
Calculation results show that this model can simulate the characteristics of water flow in a floodplain river and can improve the capacity of flood routing simulating and predicting.
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。
Based on potential flow theory, a numerical method is proposed for predicting the steady and unsteady hydrodynamic performances of puller type podded propulsors.
计算中采用的流体水动力系数，取自系列船模试验的资料。
The hydrodynamic forces coefficients adopted in calculation are taken from the information of the systematic test of ship models.
采用计算流体动力学(CFD)技术实现在船舶设计阶段对船舶水动力性能的精确预报，是船舶水动力学学科中一个具有重大理论和实用意义的、富有挑战性的课题。
Numerical prediction of ship hydrodynamic performance at design stage using computational fluid dynamics (CFD) technique is a most important and challenging subject in the field of ship hydrodynamics.
本文还对典型的水动力系数进行了大量的变值计算，为进一步进行潜艇操纵性的研究提供了依据。
Extensive changing value calculation for the typical hydrodynamic coefficients are carried out and the results would provide a basis for further study of submarine manoeuvrability.
本文提出一种扩展积分方程方法，用于消除浮体剖面水动力系数计算中不规则频率的影响。
An extended integral equation method was presented to remove the irregular frequency effects in solving the hydrodynamic coefficients for a ship-like floating body.
本文提出了一种计算带制流板的鱼尾舵在螺旋桨尾流中水动力性能的方法。
The paper presents a new method for predicting the hydrodynamic performance of the shilling rudder behind a propeller.
实例计算结果表明本方法是可靠和有效的，在螺旋桨水动力性能预报和压力分布等方面的计算是非常成功的。
Present method is reliable and effective by the calculation results. It is very successful in the calculation of the pressures and hydrodynamic performance of the propeller in unsteady condition.
哈斯·金德用复变函数理论讨论了微弯滑行板的非定常运动，获得了计算水动力的一般公式。
Haskind discussed the non-steady motions of small curved planing plate by using the theory of complex functions, and obtained the general expression of hydrodynamic forces.
进而将城市产汇流方法和河网水动力学方法相耦合，计算出在不同规划条件下的河网洪水位，以此为防洪规划工程提供技术支持。
At last, river water level in different plan condition is calculated integrating the method of city runoff and river network hydraulics, to provide technical supports for flood-prevention projects.
作为例子，本文数值计算了细长体的水动力导数，给出了结果。
As an example, the hydrodynamic derivations of a slender-body of revolution are calculated.
为了预报毂帽鳍的水动力性能，采用计算流体力学软件对粘性流场中毂帽鳍的敞水性能进行计算研究。
In order to predict the hydrodynamic performance of propeller with boss cap fins, CFD software was used to calculate the its open water performance.
计算结果表明，水相介质与荷载移动速度都对路轨系统和土体动力响应有很大影响。
Computed results show that the dynamic responses of soil medium and rail are considerably affected by the fluid phase as well as train velocity.
结果表明，三次样条方法在带有放射性衰变的水动力弥散方程的数值计算中，对抑制数值耗散是一种有效的方法。
It is shown that cubic spline method is effective for restraining numerical dispersion in numerical simulation of hydrodynamic dispersion equations with radioactive decay.
条件模拟方法计算出的水头、流速和水动力弥散系数的标准差要小于非条件模拟的结果；
The variability of the pressure head, velocity and hydrodynamic dispersion coefficient obtained from conditional simulation are smaller than those obtained from unconditional simulation.
提出了一种计算带制流板舵在螺旋桨尾流中水动力性能的方法。
A new method for predicting the hydrodynamic performance of the rudder with plates behind a propeller is presented.
以水为流体介质，建立了旋流喷嘴的计算流体动力学模型。
The computational fluid dynamics model of a swirl nozzle is established with the water as the working fluid of atomization.
在水土流失研究中，坡面径流流速是径流计算、土壤侵蚀预报中不可缺少的水动力参数。
In the research of the soil erosion, the rate of slope runoff is an indispensable hydrodynamic parameter in the runoff computation and the soil erosion forecast.
在水土流失研究中，坡面径流流速是径流计算、土壤侵蚀预报中不可缺少的水动力参数。
In the research of the soil erosion, the rate of slope runoff is an indispensable hydrodynamic parameter in the runoff computation and the soil erosion forecast.
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