第四章为重气扩散过程数值模拟计算方法。
Chapter 4 describes the numerical simulation method of heavy gas dispersion.
计算与试验结果的对比表明模拟计算方法是可行的。
The comparison between wmputation and experiment shows that the method is practicable.
通过模型实验及CFD模拟计算方法研究了系缆水阻尼特性。
Model experiment and CFD simulation method are used to study the damping characteristics of cable in this thesis.
介绍利用工程类比法预估建筑物沉降及其分布规律的数值模拟计算方法。
A numerical simulating method of forecasting the building settlements and its distribution characteristics using engineering analogy is introduced.
对含有点缺陷的不完整晶体，通常使用原子簇方法或超原胞模拟计算方法。
For imperfect crystals with point defects, the cluster method and the supercell simulation are two methods in common use.
利用有限元耦合场数值模拟计算方法进行了高温平板纯水喷雾冷却的模拟。
Water Spray cooling of the high temperature plat plate was presented by using Finite Element Coupling numerical simulation.
本文介绍了甲醇洗工艺中部分气化冷凝、绝热闪蒸器和塔系模拟计算方法和结果。
The modelling and calculation results are reported for partial vaporization condensor, adiabatic flashing column and column system in the methanol washing process.
本文对潮流计算中互联电网各区域间的联络线功率控制的模拟计算方法进行了研究。
This paper studies the simulation method of tie line power flow control among areas of an interconnected network in load flow calculation.
对溢洪道下游破碎基岩为主的非沙质河流冲刷进行了平面二维数值模拟计算方法的探讨。
In this paper, the plane two-dimension numerical simulation is used to study the scour in a river whose bed is mostly cracked bedrock at the lower reaches of a spillway.
通过水上半浮体漂移过程的模拟研究，总结出一种循其轨迹，寻其“源头”的模拟计算方法。
Based on the simulation study on the drift process of semi-floating body at sea, a simulation calculating method in search of "its starting point" by following its locus has been summarized.
本文介绍了共振系统中气体流动的模拟计算方法，着重介绍进气门边界和分枝接头边界的模型处理。
This paper presents the method to simulate gas flow in a tuned induction system. It puts emphasis on describing the models to simulate the flow through the inlet valve and junction boundaries.
为了验证模拟计算方法的可行性及准确性，将模拟结果后相应的参数值与实际运行值进行对比分析。
In order to verify the calculated feasibility and accuracy of the simulation results of the corresponding parameter values were compared with the design value.
采用平面二维数值模拟方法，对溢洪道下游河床以破碎基岩为主的河流冲刷进行了模拟计算方法的探讨。
The plane two-dimension numerical simulation is used to study the simulation and calculation of the scour in a river whose bed is mostly cracked bedrock at the lower reaches of a spillway.
通过利用CFD数值模拟计算方法对各种方案进行流场的计算，我们发现了影响该段流场流动效率的一些关键因素。
By using CFD numerical simulation method to calculate the flow field of various programs, we find the key factors that have impact on the efficiency of the section of the flow field.
提出一种新的由矿物中封闭径迹长度分布求解地质热历史的反演模拟计算方法，由该方法可得到地质热历史的唯一解。
A new inverse method for geothermal history calculation has been suggested. Differing from other methods this one can give an unique solution.
将固定吸附床空调系统性能的模拟计算结果与实验计算结果相比较，表明建立的除湿轮的数学模型及系统模拟计算方法是正确的。
The results indicate that the sorption properties and the size of dehumidifier have a great effect on system performance, and that the mathematical model of rotary dehumidifier and computation of sy…
将固定吸附床空调系统性能的模拟计算结果与实验计算结果相比较，表明建立的除湿轮的数学模型及系统模拟计算方法是正确的。
The results indicate that the sorption properties and the size of dehumidifier have a great effect on system performance, and that the mathematical model of rotar…
根据侧进气涡轮电机的涡轮转速与流场相互影响的特点，文中提出一种将三维流场数值模拟与电机动力学分析相结合的迭代模拟计算方法。
An iterative method numerical simulation of 3-D flow-field was put forward, based on the interaction between flow-field and turbine rotational speed.
采用流场数值模拟计算方法，计算了横风作用时的垂向气动升力系数、气动横向力系数和侧滚力矩系数，得出各系数与车辆速度和风速之间的变化关系。
Using numerical computation of fluid flow, the coefficients of vertical force, lateral force and rolling moment caused by cross-wind were calculated, which were related to train speed and wind speed.
对筛板塔的结构设计问题进行了讨论，提出了一些新的计算方法和简化的计算公式，并用实例进行了模拟计算。
The design method of structures of sieve tray tower is discussed. Some new computation methods and simple formula are proposed. Simulated computations are carried out by practical examples.
本文介绍了水溶相金存在形式模拟计算的基本原理和计算方法。
This paper introduces the basic principle and calculation method of simulated calculation on the species of aquatic gold.
本文提出了一种汽车直线制动性能的分析和计算方法，并对具体的车型进行了模拟计算和实车道路试验。
This paper presents an analysis and calculation method for braking performance of Vehicles on straight road. The computer simulation and road tests are carried out with good consistency.
其次，大规模的数值模拟计算对于计算方法的稳定性和计算网格的品质提出了更高的要求，推动了算法的稳定性和流体计算中计算网格的优化研究。
The second is that the large scale computing requires more strict stability, which has activated the study of the stability of algorithms and the mesh optimization for ALE simulation.
整个碰撞模型的模拟计算结果与所进行的碰撞试验结果基本吻合，证明所采用的建模和计算方法基本正确。
That the entire simulation results tally with the experimental results proves that methods of modeling and calculation used is correct.
采用数值计算方法，编写了相关的程序，对食品在减压冷藏环境下的冷却过程进行了模拟计算。
A proper numerical method was chosen to calculate the change of water and temperature inside food during the cooling procedure in the hypobaric environment by computer.
文中验证了这种预测方法的可靠性与准确性，此方法可作为系统循环模拟计算中相平衡及热力参数的精确计算方法。
The model is proved to be reliable and accurate and can be used as an accurate method for various kinds of refrigerants properties prediction.
针对15A型二冲程汽油机排气系统的流动过程进行了模拟计算，对计算中某些边界条件的计算方法进行了探讨。
The characteristic method was used in simulating computation of non steady gas flow process in the exhaust system of model 15a petrol engine.
本文采用升膜式蒸发器的计算方法对尿素一段、二段蒸发器进行模拟计算。
The calculation method for climbing film evaporator was used to simulate the evaporators of first stage and second stage urea solution.
模拟计算结果表明，该文所使用的设计方法是可行的，采用的数理模型和计算方法是正确的。
The analog computation results prove that the design method adopted in this paper is feasible and the adopted mathematical model and method of computation are correct.
模拟计算结果表明，该文所使用的设计方法是可行的，采用的数理模型和计算方法是正确的。
The analog computation results prove that the design method adopted in this paper is feasible and the adopted mathematical model and method of computation are correct.
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