提出了一种轴向移动喷嘴叶片可变几何截面增压器的新结构方案。
A new kind of axially movable vane turbocharger was presented, and its structure was investigated.
通过金相及电镜断口分析,确定箱体失效系铸造缺陷和几何截面差过大所致。
Failure of cast aluminium alloy box was analysed by metallographic and fractographic analysis, and cast defect and variation of cross section thickness were identified as main causes of failure.
具有双孔截面的铝合金挤压管的断面形状满足几何相似定律。
The geometrical similarity law in cross section was satisfied for the aluminum extruded tubes with a double hollow section.
塔身一般由许多个标准节组成,每一个标准节具有相同的拓扑形状、几何尺寸和截面类型。
The tower body is generally composed of many standard sections, each of which has the same topology, geometry, and cross section.
鼻背在截面上有“T ”形几何形状,出于功能和美学的原因,可通过一些技术如撑开植入物和皮瓣等技术对其进行重建。
The dorsal septum has"T" geometry in cross section, and this anatomy is extending to recreate with techniques such as spreader grafts and flaps for both functional and aesthetic reasons.
通过对切屑截面几何、变形状态及切削比的实验分析,研究了非自由切削的变形特征。
The deformation characteristics of non free cutting (NFC) are experimentally studied with the chip cross section geometry, the deformation configuration and the cutting ratio.
遵循杆件应力约束、几何尺寸约束、刚度约束条件,建立了杆件截面尺寸相互关系式。
Besides, following the constraint of the member geometrical sizes and stiffness, this paper has set up the relationship between member section sizes.
从结构的几何非线性分析着手,研究截面为三角形的空间格构式斜腿刚架的平面内整体稳定。
Based on the geometric non-linear analysis, the in-plane global stability of Space Lattice Tilted Column Frame of Triangle Section(SLTCF)is studied.
人体新鲜骨骼是各向异性,非均匀材料,其截面几何形状比较复杂。
Human living skeletons are anisotropy material, they cross section geometric shape is comparatively complicated.
针对该桥自身的特点,对拱肋矢跨比,轴线方程,截面的几何尺寸等主要技术参数做了探讨。
In connection with its self properties, we make an inquiry into the major parameters, such as ratio of height and span, equation of arch axis, geometry size of section and so on.
根据装药几何形状,导出了在火箭发动机工作过程中燃烧面积及通道截面积变化规律的计算公式。
The area calculating formulas of burning surface and channel section have been derived by the grain geometry.
在此基础,返回几何模型建立界面,直接对其危险截面进行修正,提高了整个行星架的承载能力。
On the basis above, we return the geometric model and do an amendment for its dangerous section to improve the carrying capacity of the whole planet frame.
介绍了非金属材料落料用切刀式冲模刀刃截面的设计、几何参数选择与应用。
This paper introduces the design of the cutting edge section, selection of its geometrical parameters and application of the stamping cutter-die used for blanking the nonmetallic materials.
其中几何刚度矩阵由轴向力、双向弯曲和截面翘曲的影响组成。
The geometric stiffness matrix is composed by the effect of axial force, bending moment and bimoment.
模型中考虑了角钢截面特点以及偏心连接的特性,并用端部弹簧来模拟几何位移造成的边界条件弱化的影响。
Based on the section characteristics of single Angle members and eccentrically connecting property, an analytical model is established considering the effect of boundary condition weakening.
系统组建后能快速检测大型工件截面的几何形状,测量精度较高。
The geometrical shape of large-scale component section is detected quickly through this system with high precision.
国内外已有不少对于各向同性材料带裂纹柱体扭转的研究,但是仅限于特定截面几何形状和特殊曲线裂纹的问题。
There have been many studies about the torsion problem of an isotropic bar with cracks, but most of them are available only to the special section geometry with special curvilinear cracks.
测试研究了有代表性的14种不同材质、不同截面几何形状及尺寸大小的纤维材料;
The sound-absorbing coefficients of 14 typical fiber Materials with different geometrical cros-section forms and sizes are measured and studied.
分析结果表明,厚板焊接工形截面残余应力的大小及分布,除了与焊接输入热量有关外,尚与截面几何尺寸有关。
The studying results indicate that the magnitude and distribution of residual stress are related to the heat input created by welding process and to the cross section geometry.
该模型包括了钻头以及钻削操作的重要特性,即钻头的截面几何特征、螺旋角、转速和钻削过程中产生的切削力。
The model includes of important characteristics of drill bit and drilling operation, i. e. sectional geometrical property of drill, spiral Angle, speed and cutting force created during drilling.
通过对复杂目标近远场电磁散射理论模型的分析得到,目标的雷达截面和目标的几何尺寸及工作波长有关系。
It is concluded that the RCS of target is related to its geometry size and the wavelength of incidence wave.
受厚板截面本身的几何形状所影响,箱形截面有焊缝一侧壁板与另一侧壁板残余应力分布及大小有明显的不同。
Affected by the geometry of box-section, the residual stress distribution of plate with welding passes is different from that of another plate.
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。
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.
本文以肱骨横截面CT图像为解剖学基础,提取骨端面的几何形状,进行三维重建,建立肱骨的三维有限元模型。
Based on ct picture, the geometrical dimensions of humerus were obtained. A three-dimensional finite element model was established on the basis of three-dimensional reconstruction.
针对目前隐身飞行器外形雷达散射截面(RCS)难以准确计算的问题,提出了一种基于目标外形几何特征和矩量法的飞行器r CS算法。
In order to solve the problem, a new algorithm for calculating RCS is presented based on the geometrical characteristic of target aircraft configurations and the method of moment (mom).
本文在以前工作的基础上,建议一个途径,供工程结构设计的截面优化和几何优化之用。
On the basis of previous works, here we propose an approach to optimal design of engineering structures for member sizing and shape optimization.
本文在以前工作的基础上,建议一个途径,供工程结构设计的截面优化和几何优化之用。
On the basis of previous works, here we propose an approach to optimal design of engineering structures for member sizing and shape optimization.
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