For spatial thin-walled structure, the simplified dispose method and the method of automatic formed equilibrium amplification matrix are given. 以空间薄壁结构为例,阐述了用计算机求解薄壁结构时对薄壁结构进行简化处理的方法及自动形成平衡增广矩阵的方法。
The reinforcement concrete box module is a kind of space thin-walled structure with many constraints. 钢筋混凝土盒子结构是一种多约束的空间薄壁结构。
Application Study on Robust-based Probabilistic Optimization Design in Thin-walled Structure of Crashworthiness 基于鲁棒性的概率优化设计在薄壁构件耐撞性中的应用
Based on application of three-dimensional shell elements to simulate thin-walled hydraulic structure, generalized displacement method was presented, and the related calculating formulas were derived, and an effective way to simulate the interaction of thin-walled structure and foundation soil reasonably was provided as well. 提出了基于三维薄壳单元模拟水工薄壁结构的的广义位移,推导了相应的计算公式,为合理模拟薄壁结构与土相互作用提供了一种行之有效的方法。
Research on deformation in NC machining of aerospace thin-walled structure part 航空薄壁结构件数控加工变形控制研究
Finally, this paper adopts advanced spatial thin-walled structure FEM to analyze and compute the designed gate structure, hereby to check initial design's reasonableness by specification and to conduct majorized design. 最后,采用先进的空间薄壁结构有限元方法对设计的闸门结构进行计算分析,据此校核按规范进行的初始设计的合理性以及进行优化设计。
Finite element stress analysis and calculation is often referred in the agriculture engineering machine design process, especially to space thin-walled structure. 在农业机械和工程机械设计中经常遇到空间梁单元应力的有限元计算,特别对于闭口截面的空间梁单元,其应力计算方法十分复杂繁琐。
Application of a Thin-walled Structure Theory in Steel Bridge Calculation 薄壁结构理论在钢桥计算中的应用
Thin-walled structure analysis with consideration of post buckling behaviour of composite shear panels 计及复合材料受剪板后屈曲的薄壁结构分析
Generalized Displacement Method in Bearing Capacity Analysis of Thin-walled Structure Interacted with Foundation Soil 与土体共同作用薄壁结构受力分析的广义位移法
In this paper, a method of analysing thin-walled structure with post-buckled composite shear panels is proposed. 本文提出了一种具有后屈曲复合材料受剪板的薄壁结构分析方法。
Many thin-walled structure components used in aero industries have complex structure and high machining accuracy. 航空薄壁件结构复杂,精度要求高。
Application of response surface method in impacting energy absorption of thin-walled structure 响应面法在薄壁结构碰撞吸能上的应用
Application of Explicit Finite Element Technology to Numerical Simulation of Body Thin-walled Structure 显式有限元技术在车身薄壁梁结构件数值模拟中的应用
Interaction effect in energy absorption of porous material filled thin-walled structure 多孔材料填充薄壁结构吸能的相互作用效应
Weld with trailing impactive rolling ( WTIR) is a new technique to reduce the residual stress and distortion and prevent hot cracking of thin-walled structure. 随焊冲击碾压是一种控制薄壁结构焊接应力变形、防止热裂纹的新方法。
Application of Finite Member Element Method for Stress Analysis of Space Thin-walled Structure in Agricultural Machine Design 空间薄壁杆系有限元分析在农业机械设计中的应用
But thin-walled structure is very difficult for manufacturing because the problems of deformation, destabilization and vibration are easily occurred in the process of manufacturing. 但薄壁结构制造过程中极易发生变形、失稳和振动等问题,制造难度极大,是国际上公认的复杂制造工艺问题。
Studied the modal analysis of the thin-walled structure component. 对薄壁多框结构件进行了模态分析。
Against the thin-walled structure components, a new criterion of the milling stability is put forward. The influences of the modal parameters of two subsystems and the cutting parameters are studied through the simulation analysis. 3. 针对薄壁结构,提出了一种铣削稳定性判据,并通过仿真分析,研究了切削系统模态参数和工艺参数对稳定极限的影响情况。
The assembly of thin-walled structure by spot welding is an important manufacturing technique of automobile bodies. 薄壁构件点焊组装是汽车车身非常重要的制造工艺。
There will be shear lag effect existing in the thin-walled structure when it is suffered from bending load. 薄壁结构在弯曲荷载作用下存在剪力滞效应。
The main work in this paper is concluded as follows. 1. Built the dynamic force model of milling thin-walled structure components in detail. 本文具体研究内容如下:1.建立了薄壁件铣削加工动态力学模型。
Based on Π-shaped cross section cable-stayed bridge, concrete box beam and composite box girder with corrugated steel webs, the effect of shear lag on the static and dynamic character of thin-walled structure were studied. 本文针对∏形截面主梁斜拉桥、普通混凝土箱梁、波形钢腹板组合箱梁等结构,研究了剪力滞效应对薄壁结构静动力特性的影响,主要进行了以下几方面的研究。
Some frequency analysis methods of wind-induced dynamic response are provided in detail, we adjust them to hyperbolic cooling-tower thin-walled structure. 给出了用于计算风致响应的频域分析方法,并将其运用于双曲冷却塔壳体结构的计算中。
The paper by conversion method based on the orthogonal experimental design makes optimum analysis of thin-walled structure section. 本文采用基于正交试验的变换优化分析求解法进行了薄壁结构截面的优化分析。
Thin-walled structure component is widely used in aero industries. 薄壁零件在航空工业中应用很广泛。
Based on this method, a step by step energy absorbing thin-walled structure is designed with the same size of the minibus rail. 基于该逐级吸能方法,本文以国内某微型客车为研究对象,根据该车的纵梁尺寸设计了一个逐级吸能薄壁结构,并建立和验证了其有限元模型。
Regarding the beam type thin-walled structure which is very easy to vibrate, the machining vibration models for low axial cutting depth and low radial immersion milling are established, respectively. 针对加工过程中极易发生颤振的梁类薄壁零件,按照小轴向切深加工和小径向切深加工,分别建立了振动模型,并进行了仿真分析和实验验证。