This dissertation integrates theoretical analysis and numerical simulation method to investigate the ignition transient process of large aspect ratio solid rocket motors.
本文采用理论分析和数值仿真方法对大长径比固体火箭发动机点火瞬态过程进行了系统研究。
The finite element numerical simulation method is an effective method in quantitatively forecasting reservoir structural fractures and determining the spatial distribution of fractures.
有限元数值模拟法是对储层构造裂缝进行定量预测并确定其空间分布的一种有效方法。
The numerical simulation method is the theoretical basic for deep well injection.
数值模拟计算是深井灌注的理论基础。
A numerical simulation method on aircraft store separation was studied and applied in safety design.
研究了飞机外挂物投放问题的数值模拟方法，并应用于安全性设计。
The magnetic flux density on the crack tip in a metal pipeline was studied by numerical simulation method.
用数值模拟方法研究了金属管道裂纹尖端磁通量密度的分布情况。
A three wavelengths lidar system was proposed. Its performance was studied by numerical simulation method.
本文介绍了一台三波长米散射激光雷达系统，并用数值模拟计算的方法研究其性能。
By utilizing numerical simulation method, the resonance characteristics of slope in earthquake are studied.
通过数值模拟的方法研究边坡在地震作用下的共振特点。
Model test and numerical simulation method is utilized to confirm the anti-explosion capability of masonry wall.
利用模型试验与数值模拟相结合的方法，考查砌体隔墙的抗爆炸能力。
With numerical simulation method, the distribution law of coal pillar support pressure in the floor was studied.
运用数值模拟分析方法，研究煤柱支承压力在底板的分布规律。
We studied the effect of particle impacting-angle on development of aeolian ripples using numerical simulation method.
采用数值模拟的方法研究了沙粒冲击角对风成沙纹形成过程及其形态特征的影响。
The temperature field and thermal stress field on the crack tip in a metal was studied by numerical simulation method.
用数值模拟方法研究了金属裂纹尖端的温度场和热应力场的分布情况。
We studied the effect of particle impacting-angle on development of aeolian ripples using numerical simulation method.
风成沙纹的数值模拟研究已取得了不少进展，但各家所采用的模拟方法及模拟结果存在不少差异。
Using numerical simulation method, the forming process of joint tray was simulated, and its tradition technology was optimized.
运用数值模拟方法对连接盘的成形过程进行模拟，对其传统工艺进行优化。
By numerical simulation method, the comparisons of aerodynamic performance between airfoil and plate blade axial fans were made.
采用数值模拟方法对机翼型及板型叶片的轴流风机的气动性能进行了比较。
This paper presents the numerical simulation method and calculation results for the flow around a high lift devices of airplane.
本文给出了飞机增升装置气动力特性的数值计算方法和计算结果。
Three-dimensional numerical simulation method is used in the design of a diesel engines helical intake port for the practical product.
以实际产品为研究对象，将三维数值模拟方法应用于柴油机螺旋进气道的改进设计中。
Three-dimensional turbulence numerical simulation method was used, and the control equations are discrete by the finite volume method.
选用三维湍流数值模拟的方法，用有限体积法对控制方程进行离散。
Objective To obtain the expiratory resistance in pressure oxygen mask under no overpressure condition with numerical simulation method.
目的用数值模拟的方法获得加压供氧面罩无余压状态下呼气活门的呼气阻力。
The numerical simulation method was used to study the heat transfer and temperature distribution of rolling piece during hot strip rolling.
采用数值模拟方法研究了带钢热轧区轧件传热和温度场分布规律。
There are three main research methods in natural ventilation: simple theory analyse method, experimental method and numerical simulation method.
目前自然通风主要有三种研究方法：简单的理论分析法、实验法和数值模拟法。
The numerical simulation method would provide theoretical basis for optimum design for the pressure cooling system of apple in practical projects.
这种数值计算方法为实际工程苹果差压预冷系统的优化设计提供了理论依据。
The main object is to study three-dimensional physical character of gas-solid flow past a circular cylinder by using direct numerical simulation method.
本文首先采用直接数值模拟方法研究了三维气固两相绕圆柱的物理特征。
Welding temperature field numerical simulation method was able to forecast and reflect the real distribution of whole welding temperature field accurately.
焊接温度场数值模拟可以比较准确预测并反映整体焊接温度场实际分布。
Using numerical simulation method, the retrograde condensation saturation variety and the development effect of the single well dry gas injection is studied.
应用数值模拟技术，研究地层中反凝析液饱和度的变化规律和注干气吞吐技术的开发效果。
This paper presented an evaluation method of carbonate fractured reservoirs, which is a numerical simulation method for the an ciend structural stress field.
本文提出了碳酸盐岩裂缝性储层的一种新评价方法——古构造应力场数值模拟法。
Although numerical simulation method has wide applicability, its efficiency is low, especially for high dimensionality and small failure probability problems.
尽管数字模拟法适用范围广，但该方法的效率较低，尤其是针对高维和小失效概率问题。
The generalized kink waves of the short pulse equation were studied by the qualitative theory of ordinary differential equations and numerical simulation method.
用微分方程定性理论结合数值模拟方法研究了窄脉冲方程的广义扭结波。
The numerical simulation method is put forward to research the rod-support heat exchanger, in order to overcome the shortcoming of the main method of experiment.
采用数值模拟方法研究杆式支撑换热器，可以克服实验研究方式的不足。
The qualitative theory of ordinary differential equations and numerical simulation method are employed to investigate the kink waves of a nonlinear quartic equation.
用微分方程定性理论结合数值模拟方法研究了一类非线性四阶波动方程的纽结波。
To investigate the rolling control characteristics of canard-controlled missile with fixed-tail, a numerical simulation method based on N-S formulation was conducted.
采用以N-S方程为主控方程的数值模拟方法，进行固定尾翼鸭式气动布局导弹的气动特性和流场数值模拟。
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