With upper bound method and least energy principle, the conditions are established of drawing and breaking workpiece with cross wedge rolling technique to form axial symmetry spare parts. 利用上限原理和最小能量原理,获得了用楔横轧工艺成形阶梯轴类件时杆部拉断的条件。
The shape of ballistic reentry vehicle generally is axial symmetry, but its mass center may be departure from the axis of its symmetry. 弹道式再入飞行器一般为轴对称旋成体,但其质心可以偏离对称轴。
The vibrator box and the connecting pipe are composed of an upper box cover and a lower box cover which are divided in an axial symmetry. 振子盒和接管由作轴对称剖分的上盒盖和下盒盖组成。
Furthermore, effective strain and effective stress are introduced into the study of pipeline connection assemblies under the condition of axial symmetry. 针对管路连接件等轴对称形式的构件,引入等效应力和等效应变。
The axial symmetry are the revolutionary monuments, and with the ingenious space overall arrangement characteristic that combine of space around. 革命纪念碑具有中轴对称,并与周围空间巧妙结合的空间布局特点。
This paper uses circular disk models in experiments to measure failure stresses around the hole, because its axial symmetry can decrease the material discrete influence. 因为轴对称性,圆盘模型可以减少玻璃材料离散性的影响,所以比较适合进行测量孔边破坏应力的试验。
A special element model, which is axial symmetry and has quadrangle section, is used, and the equation for computing matrix K and the methods of dividing and enumerating of elements are all given. 采用四边形截面轴对称环状单元的有限元方法,给出了单元刚度矩阵公式、单元划分及结点编号方法。
The effective strain and effective stress are introduced under the condition of axial symmetry. 进一步针对轴对称问题,引入等效应变和等效应力。
The model about performance analysis of seal which is3D is put forward on the basis of lucubration, and hydrokinetics model of static axial symmetry is established. 简要介绍了刷密封的历史和应用前景,并在深入研究的基础上,总结和提出了刷式密封准三维的性能分析模型,建立了静态轴对称的流体动力学模型。
Axial symmetry parts are applied abroad, it is important to research extruding deformation of axial symmetry parts. 轴对称零件是最广泛应用的零件之一,因此研究轴对称零件的挤压过程有着重要的现实意义。
A New Optimization Method for the Hybrid Element of a Combination of Axial Symmetry with Eight Parameters 一种新的八参数轴对称组合杂交元的优化方法
PIC Simulated Program Design of Two-dimensional Axial Symmetry Electron Beam in Infinite Parallel 无限大平行板间轴对称电子束二维静电PIC模拟程序设计
An analysis of the finite element method on nonlinear equations of axial symmetry with magnetic field distribution 轴对称非线性磁场分布的有限元分析
Design Research of Minimum Deformation for Axial Symmetry Parts During Heat Treatment Calculation of Cable Dome Structure under Axisymmetrical Loading 轴对称件热处理最小变形的设计研究拉索穹顶结构在轴对称荷载作用下的计算
Under the circumstances of axial symmetric and non-static current distribution, a method for calculating off-axis electromagnetic field is given by using Maxwells equations and axial symmetry. 在轴对称非静态电流分布的情况下,利用麦克斯韦方程组和轴对称性,给出了轴外电磁场的一种计算方法。
The Geometric Equation for Axial Symmetry Large Plastic Deformation Based on Engineering strain and Its Application 基于工程应变的轴对称塑性大变形几何方程及其应用
Based on the elasticity theory of spatial axial symmetry question, the paper established the stress formula for the carbon fiber clothes strengthening concrete circular section column theoretically. 对影响部分预应力混凝土圆柱的变形性能和变形恢复性能的各种因素做了定量的研究,并经过回归分析提出了各特征点的近似计算公式。
On this thesis, the heating extruding deformation process of axial symmetry parts is researched. 本文在热变形条件下,对轴对称零件的挤压过程进行了分析。
Generally speaking, there are two methods for the solution of axial symmetry elastic space problems in pavement stress calculation. 一般来讲,路面力学计算中常用的求解轴对称弹性空间问题通解的方法有两种。
Research on Facial Expression Recognition Using Axial Symmetry Eyes Location and Features Extraction 轴对称人眼定位特征提取方法在人脸表情识别中的应用研究
Chu building a strong wind, was a main wings, axial symmetry. 建筑具浓郁楚风,呈一主两翼、中轴对称。
A method for calculating non-static off-axis fields without sources of a axial symmetric field is given, using Maxwell? s equations and axial symmetry. 利用麦克斯韦方程组和轴对称性,给出了由对称轴上的场计算非静态轴外无源场的一种方法。
Optimization design of axial symmetry concave-convex angle segment structure in the salient ring supported bulkhead 凸角处设舱壁的轴对称凹凸角舱段优化设计
The results show that the own design nozzle has well spray performance and axial symmetry; 分析结果表明:改良设计的离心喷嘴具用良好的喷雾性能和轴对称性;
The Reflection Asymmetric Shell Model has been generated to include the axial symmetry break. 反射不对称壳模型推广到包括轴对称破缺。
The problem of border of axial symmetry of magnetic fields is discussed. 讨论了求解磁场轴对称边值问题的方法,指出了它与电场的轴对称边值问题的不同之处。
Basing on the analysis of combined axial symmetry problem by the increment theory and substructure method, this paper presents a new method for solving the elastic contact problem in general. 本文运用增量理论和子结构方法在具体分析组合轴对称问题的基础上,提出了解决一般弹性接触问题的新方法。
EFV Method with the Constraints of Time Reversal Invariance and Axial Symmetry 时间反演不变和轴对称限制条件下的EFV方法
Meanwhile through result analysis, the axial symmetry flow hypothesis in some computations and design is denied, the design method of enlarging flow from another angle is also verified. 同时通过结果分析否定了一些计算、设计中采用的轴对称流动的假定,并且也从另一个角度印证了加大流量的设计方法。
A microwave axial symmetry temperature field model is presented and its general solution is also obtained. 建立了基片加热材料的微波轴对称温度场模型并得到了一般解;