thin-wall structure

Among the precision parts in aeronautical and astronautical engineering, many parts have thin-wall, complex structure, and high tolerance requirements.

在航空航天领域有许多精密薄壁零件，它们的结构复杂、加工精度要求高。

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Based on the elastic-plastic dynamic model of the thin-wall structure aqueduct, the non-linear earthquake response analysis is presented.

运用渡槽薄壁结构弹塑性动力分析模型，开展了渡槽非线性地震响应分析计算。

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The collision simulation is made on a certain type of locomotive car-bodies mounted with the energy absorption ( equipment) consisted of the thin-wall structure. The result shows that the structure has fair good energy absorption performance.

对安装了由薄壁结构组成的吸能装置的某机车车体进行了碰撞仿真，结果表明该结构具有较好的吸能性能。

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The third chapter and the forth chapter discuss two problems, the first is the analysis of infection under the shape wave, the second is the stability of the thin-wall structure.

第三章与第四章讨论了波浪度的影响和壁厚对薄壁构件稳定性的影响。

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Computer Calculation of Distortion Geometry Characteristics of Thin-Wall Structure Asymmetry Section

薄壁结构非对称截面畸变几何性质的电算研究

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The factors causing the warpage include injected material, the structure of product, the structure of mold and molding process. Then, the injection mold of the mobile phone shell with thin-wall metal-insert is optimized to carry on injection experiment.

引起翘曲变形的因素主要包括注塑原料、产品结构、模具结构和成型工艺参数等四个方面。然后，优化了带金属嵌件的手机外壳注塑成型模具，并进行注塑成型实验。

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The explicit finite element is used to simulate the effect of cross section, wall thickness and preliminary deform, et al. on the collision resistant performance. The collision law of the thin-wall structure is found out.

利用显式有限元模拟仿真了薄壁结构的横截面、壁厚和预变形等对其碰撞性能的影响，找出了薄壁结构的碰撞规律。

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An approach to optimal design for farm machinery thin-wall structure is made in this article.

本文利用它们对农机薄壁结构结点的优化设计进行了探讨。

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A new type of thin-wall steel structure& non-corrugated arch-shell roof

一种新型薄壁钢结构&无波纹拱壳屋顶

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The author firstly uses space shell elements to partition the steel components, the uses the substructure-method to assemble the shell elements into a thin-wall structure component for participating in the integrate structure analysis.

该方法首先将钢构件划分为空间板壳单元，再通过子结构法组装成三维空间薄壁构件参与空间整体计算。

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Research on vibration response of aeronautical thin-wall structure excited by acoustic loads

航空薄壁结构在噪声载荷作用下振动响应研究

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The method of using thin-wall caisson as the supporting structure is quick and economical.

采用薄壁沉箱作为开挖的支护结构,施工快捷又经济合理.

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In the 1940's the portal frame was appeared, and the light enclosing structure which was composed by the colored contour plate and the cold-formed thin-wall steel purlin was used massively in the 1960's.

四十年代出现了门式刚架结构，六十年代开始大量应用由彩色压型板及冷弯薄壁型钢檩条组成的轻质围护体系。

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The difficulty of the mould forming and the knockout with thin-wall structure were solved. The thermal analysis strategy of satellite transmitter is worth much studying because satellite transmitter is a kind of complicated thin-wall structure component and its exact thermal analysis is difficult with many technical problems.

解决薄壁成型困难，薄壁带倒钩脱模困难等技术问题。卫星机载发射机属于薄壁复杂结构件，其整体精确热分析因为多种原因而无法进行，因此有必要对发射机热分析策略予以研究。

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Cracks and Treatment of Thin-Wall Structure Concrete

薄壁结构混凝土的裂缝与处理

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In China, the sectional thickness of primary component is restricted by "The Technical Criterion on Cold-formed Thin-wall Steel Structure".

我国现行《冷弯薄壁型钢结构技术规范》（GB50018-2002）对主要承重构件的截面厚度进行了限制，主要适用于仓库，厂房等公用建筑。

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A tentative approach of optimization for farm machinery thin-wall structure node

农机薄壁结构结点优化的初步探讨

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Combining with three nodes isoparametric axial force element, the new element can be used to accurately calculate the shear flow action between bar and skin in thin-wall structure.

它与三节点等参轴力杆单元组合时可以精确地模拟薄壁结构中杆与蒙皮之间的剪流作用。

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The study on dynamic response of thin-wall structure excited by acoustic loads is the basis to evaluate and design the structure sonic fatigue.

研究薄壁结构在声载荷激励下的随机振动响应问题是进行结构声疲劳估算和设计的基础。

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But, the sectional thickness of primary component is limited in technical code of cold-formed thin-wall steel structure.

但是，我国现行《冷弯薄壁型钢结构技术规范》（GB50018&2002）对主要承重构件的截面厚度进行了限制。

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The difficulty of the mould forming and the knockout with thin-wall structure were solved.

解决薄壁成型困难,薄壁带倒钩脱模困难等技术问题.

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Also use this program to proceed nonlinear analysis with semi-rigid connection in cold-formed thin-wall steel structure.

并利用该程序对半刚性连接的冷弯薄壁型钢结构进行了非线性分析。

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The research difficulties of the vibration response on thin-wall structure excited by acoustic loads are also pointed out.

同时也指出了薄壁结构在声载荷作用下振动响应研究所面临的困难。

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Buckling track analysis of three-dimension space steel structure based on the theory of thin-wall structure

基于薄壁结构理论的三维空间钢结构整体稳定跟踪分析

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So in order to use the post-buckling strength to raise carrying capacity, It is necessary to study buckling and post-buckling of reinforced thin-wall structure.

因此可以利用后屈曲强度以提高承载能力，需要研究加筋板的屈曲及后屈曲特性。

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The wind load is the dominant load of cooling tower due to its large size, complex geometry and thin-wall structure.

由于冷却塔本身是大尺寸、几何复杂的薄壁结构，因此风荷载成为主要的控制载荷。

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The test shows that the mean action force increases with the impact speed, and the mean action force has no influence over the ratio of the rigid mass block vs the mass of the thin-wall structure subject to impact.

数值实验表明，随着碰撞速度的提高，平均作用力会相应增大，撞击薄壁结构的刚性质量块和薄壁结构的质量比对平均作用力没有影响。

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Corrugated board box belongs to environmental protection package container with thin-wall structure, being widely used in commodities package.

瓦楞纸箱是一种薄壁结构的绿色包装容器，广泛应用于商品包装。

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Research on the Thin-Wall Structure of the Energy Absorption Equipment on the Collision Resistant Car-body

耐碰撞车体吸能装置的薄壁结构研究

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This paper introduces the motion plan and basic structure of the gibbosity-forming device for thin-wall copper tube.

介绍一种给薄壁铜管起凸圆成型装置的运动方案、基本结构。

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