1、

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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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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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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5、

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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6、

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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7、

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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8、

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 steel silo is a kind of thin-wall shell structure, so it is sensitive to imperfection.

钢板筒仓是一种薄壁壳体结构,对缺陷非常敏感。

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By the finite element numerical method, a deformation analysis is made for a large thin-wall box structure of stove using infrared rays hot-air. Three conditions of unstiffened plate, stiffened plate and optimal stiffened thickness are discussed.

采用有限元数值方法,对一大型薄壁箱形结构的红外线热风烘干炉进行变形分析,文中分别对无筋板、加筋板和优化板材厚度三中情况进行讨论;

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Arched Corrugated Steel Roof ( ACSR) is a typical cold-formed thin-wall space steel structure, which has many advantages that is having dead weight, quick in construction and beautifully shaped.

拱形波纹钢屋盖(简称波纹拱)是一种冷弯薄壁空间钢结构,具有自重轻、施工快、造型美观等优点。

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The stress and deformation of thin-wall beam formed structure is calculated by "movable coordinate method" of warping theory on computer. By comparison with the classical theory of thin-wall structure, it is proved that the new theory is correct and the results are credible.

对翘曲理论中计算薄壁构件空间变形应力和位移的“动态坐标法”进行了大量的计算机扫描验证,并与传统薄壁构件计算理论相比较,证明该方法是正确的,结果是可靠的。

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Experiment Research on Axial Dynamic Buckling of Thin-Wall Cylindrical Shells Based on Finite Element Model

基于有限元仿真的薄壁圆柱壳轴向动力屈曲实验研究

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The process of coiled thin-wall bush is described.

叙述了卷制薄壁衬套的生产工艺过程.

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Explosive forming of thin-wall semi-spherical parts

薄壁半球形曲面零件爆炸成形工艺研究

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Flat container is the most important tool for extruding large thin-wall Aluminum wainscot.

扁挤压筒是挤压大型铝壁板型材的重要工具.

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According to shrinkage, angles of lathe saddle are adjusted to ensure precision of thin-wall case.

从粗车后收缩量的判定, 机床刀架角度的重新调整两方面出发,介绍薄壁铜套精车尺寸的确定.

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19、

The author apply ultrasonic vibration to the turning of thin-wall pieces to reduce the deformation, and an tools-tip height adjustment mechanism adapted to the vibration cutting system was developed.

作者将超声振动引入薄壁镜筒零件车削中以减少零件变形,并开发出了适用于振动切削系统的刀尖高度调节机构,最后给出了超声切削和普通切削的对比数据。

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Shear Behavior of High-Strength Bolts Penetrated Through Concrete-Filled Thin-Wall Square Steel Tube Column with Ribs

薄壁设肋方钢管混凝土柱穿心高强螺栓的抗剪性能

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