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。
A method of design for the turbine alternator with side intake ducts based on numerical calculation of three-dimensional flow-filed was built.
提出并研究了基于三维流场数值计算的引信用侧进气涡轮发电机的设计方法。
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。
Finally, under the three-dimensional ECOM model, the Particle-tracing Method is applied to the numerical modeling of the Changjiang Estuary sewage diffusion.
最后，本文在三维ecom模型下把质点跟踪法应用到了对长江口污染物扩散的数值模拟中。
Using the above method, numerical simulations are implemented for supersonic, transonic and subsonic flows around three-dimensional open cavities.
运用此方法，本文数值模拟了三维开式空腔的超声速、跨声速、亚声速流动。
This paper deals with the numerical simulation analysis of hot extrusion forming process of the Hooke's Joint using three-dimensional elastoplastic finite element method.
采用三维弹塑性有限元法对虎克式万向节热挤压成形过程进行了数值模拟分析。
In this paper, the diagonal Cartesian method is applied in the three-dimensional numerical calculation of thermal discharge in estuary and coast.
本文将斜对角笛卡尔方法推广应用到河口与海岸温排水三维数值计算中。
Numerical simulations on particle mixing characteristics of spout-fluid bed were carried out in three dimensional based on discrete element method (DEM).
采用离散元方法，对喷动流化床内的颗粒混合特性进行了三维直接数值模拟。
To estimate the geometric characteristics, especially wet areas and section areas, of three dimensional numerical conceptual aircraft models, a method based on surface elements is proposed.
为了获取三维数值化概念机模型的浸润面积和横截面积等几何特性，本文提出了一种基于离散化面元的估算方法。
This paper describes the three dimensional numerical analysis of current gain for the lateral transistor with multiple collectors by using the finite difference method.
本文叙述了用有限差法对多集电极横向晶体管电流增益进行三维数值分析。
On the base of the numerical method of three-dimensional multi-material in cell (3dmmic), volume visualization is applied to the graphic simulation of explosive field.
在三维多流体网格法(3dmmic)数值模拟结果的基础上，采用体视化方法对三维爆炸场进行图形仿真。
Numerical simulation of three dimensional dendritic growth is performed by using a macro micro coupled method and a capturing liquid method.
以相场模型为基础，采用宏微观耦合方法和界面捕获液态方法对铝合金枝晶生长进行模拟计算。
Numerical simulation of three-dimensional, steady, isentropic, non-symmetrical flow in rocket nozzles is completed using a bicharacteristic method.
利用特征线方法数值模拟了双圆弧和抛物线两种特型喷管中的三维非对称定常等熵的超音速流场。
In this paper, the finite and infinite element method in numerical analysis for wave forces of three dimensional problem is examined.
本文研究了三维情况波浪力数值分析中的有限元-无限元方法。
The retrieval atmospheric three-dimensional wind field are compared with the three-dimensional wind field output by MM5 numerical simulation to show the reliability of this retrieval method.
反演出的三维风场再与MM 5数值模式输出的三维风场加以比较，验证此种反演方法的可靠性。
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。
By means of finite element method, a numerical simulation of water impact is proceeded for a three-dimensional wedge-shaped structure impacting on the fluid field with a free-surface.
本文采用有限元法，就三维楔形体结构对带自由表面流场的撞水过程进行了数值模拟。
By making use of the semi analytical element method, the three dimensional soil movements problem of pipe jacking is transfered to a one dimensional numerical calculation.
利用半解析单元法将顶管施工中三维土运动问题转化成一维数值计算。
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。
A numerical method is put forward, which can be used for analyzing the fluid-solid coupling function of gas flow-induced vibrations in a three-dimensional rotor seal system.
提出了分析三维转子密封系统气流激振流固耦合作用的数值计算方法。
Monte Carlo Method is a good approach for three-dimensional numerical computation of the sediments in pumping station forebay.
为获得较好的流态，泵站前池中常设有整流底坎、导流墩、隔墩，泵站前池内的水流泥沙运动是一种复杂的三维运动。
Based on the numerical simulation method, frequency spectrum analysis and structure analysis were conducted for the three dimensional unsteady flow inside the compressor rotor.
通过数值模拟，对一个低压压气机转子的非定常流场进行结构分析和频谱分析。
Numerical calculation of stress field of engine block made of composite material is carried out by means of three dimensional finite element method.
采用三维有限元对复合材料发动机机体的应力场进行了数值计算。
Numerical calculation of stress field of engine block made of composite material is carried out by means of three dimensional finite element method.
采用三维有限元对复合材料发动机机体的应力场进行了数值计算。
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