以弯矩矢量和转角向径为工具，分析了薄壁构件的弯扭屈曲。
Making use of the moment vector and radius vector of rotation, the lateral buckling of thin-walled members are analyzed.
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。
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.
金属拱型波纹屋顶结构属于冷弯薄壁构件，稳定问题是影响其承载能力的关键因素。
Arched-corrugated metal roof( ACMR) belongs to cold-bending thin wall steel structure, of which the stability is a key factor influencing its bearing capacity.
大跨度超长薄壁构件的预应力拱形屋盖是将室内顶棚与屋面板两者合一的新型结构。
The large span and over long and thin wall and prestressed arch roof is a new type structure of combining indoor top and roof plate.
在设计汽车骨架等薄壁点焊结构时，必须对薄壁构件焊点的疲劳强度进行精确评估。
In the design of thin-walled spot welding structures such as the automobile body structure, it is necessary to evaluate the fatigue strength of spot welding at the good accuracy.
薄壁构件在扭转荷载作用下截面产生翘曲变形，在强度、稳定和振动的计算中应考虑到截面翘曲变形的影响。
Torsional loads produce warping displacements in thin-walled members. Its influence on strength, stability and vibration of thin-walled members must be considered in many cases.
大型整体薄壁构件的筋板在数控铣削加工过程中将产生变化的弹性变形，用常规的有限元软件直接分析很费时费力。
Rib in large thin-walled structures will generate elastic deformation in NC Milling, it is very inconvenient to analyze the elastic deformation by conventional method directly.
通过对这种具有“假想弹簧”的半闭口截面构件的研究，提出了一种分析点焊箱型截面薄壁构件的翘曲扭转的新方法。
After a study on this hypothesized spring beam, a method for analyzing warping torsion on spot-welded thin-walled box section beam has been presented.
同时指出，由于单元刚度矩阵的诸元素数据简洁、计算简单，因此在薄壁构件体系的计算中，位移法比力法更具有优势。
And it tells us that in the calculation of thin-walled structure, displacement is better then force method, because the data in the element stiffness matrix is more simplify.
结合示例介绍了用动态坐标法直接计算薄壁构件的空间变形，并将其用到弯心不共线的薄壁梁的计算分析中，给出了相应的单元柔度矩阵和力法求解过程。
The thin-walled element with different shear-centers on one section is analyzed and calculated by this method as well, then, the element flexibility matrix is presented.
结合示例介绍了用动态坐标法直接计算薄壁构件的空间变形，并将其用到弯心不共线的薄壁梁的计算分析中，给出了相应的单元柔度矩阵和力法求解过程。
In this paper, the calculation of the space deformation of thin-walled element by "dynamic coordinate method" is explained in detail through an example.
薄壁构件的总势能方程在结构稳定分析和工程设计中具有十分重要的地位和意义，是进行结构稳定计算的基础和钢结构设计规范中制定相关设计公式的依据。
As a main indicator of structural stability, the total potential energy equation for thin-walled members is widely referred to in academeic research and practical design of steel structures.
SHELLCV程序包含三角形壳元和矩形壳元两种单元，可以模拟复杂形状三维薄壁构件的RTM制造工艺注模过程，得到任意时刻的树脂流动前峰曲线、压力场分布。
SHELLCV can simulate the process of mould-filling in RTM for the 3d complex shape thin parts and predict the resin flow front advancement and the distribution of pressure field at any instant in time.
箱形截面构件薄壁板与内隔板电渣焊接时，易产生壁板烧穿和焊缝未熔合现象。
The weld defects of incomplete fusion and burn through always occur when the electro-slag welding is used between the outside thin metal plate and the inner clapboard in a box-section member.
牵引梁为薄壁、内空箱体整体铸造构件，铸件容易出现搓扭和弯曲无规律性变形。
F draft sill is an integrated casting component with thin wall and inner empty box, and irregular deformations like torsion and bending occur easily.
基于数值分析方法研究了材料参数对车身薄壁吸能构件抗撞性的影响。
In this paper, the influence of material parameters on the crashworthiness of thin-walled energy - absorbing components of vehicle body is studied based on numerical analysis.
了解轴向冲击下薄壁圆柱壳的屈曲行为，有助于进行吸能构件设计。
To learn the buckling of thin-wall cylindrical shell under axial impact is helpful to the design of energy-absorbing structure.
冷弯薄壁型钢是轻钢结构的主要构件形式。
Cold-formed thin-walled steel members are the main member of light steel structure.
对汽车碰撞中车身主要吸能构件之一的典型截面的薄壁梁进行了动态仿真。
This paper used a computer numerical simulation method to study the crashworthiness of thin-walled structure, which is a typical energy absorbing structure in collision.
采用有限元模拟技术研究航空薄壁弧形结构件加工变形问题。
The machining deformation of aeronautical thin-wall arc shaped workpiece is investigated by using the finite element simulation technique.
研究表明，对于柴油机气缺体这类薄壁铸造的复杂构件，进行有限元模态分析，需要采用很细的网格划分，才能保证较精确的结果。
The comparison indicates that the appropriate results can be obtained only when with fine enough meshing in Finite Element modal analysis, as the cylinder block is a complex and thin cast parts.
因此这种电源很适合于黑色及有色金属的薄壁结构件焊接。
Therefore, it is very suitable for welding the thin-wall construction of ferrous and nonferrous metals.
把辊轧成型的C形冷弯薄壁型钢构件切割成若干短柱，在短柱中将产生不同程度的歪曲变形，进而引起附加的初始几何缺陷。
Cutting roll-formed steel C-section to stub columns will produce different extent of cross section distortion along the lengths and cause additional initial geometric imperfections.
概括分析了薄壁整体结构件切削加工的特点和难点。
This paper presents a brief analysis of the features specialties and problems of machining of integral parts with thin walls.
概括分析了薄壁整体结构件切削加工的特点和难点。
This paper presents a brief analysis of the features specialties and problems of machining of integral parts with thin walls.
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