An optimization process of a thin - walled structure was performed by the response surface method , which took the maximum absorption energy from an impacting process as objective , the properties of the thin - walled structure as variables , and the impacting axial force as constraint 摘要运用响应面法，以碰撞吸收能量最大为目标，薄壁结构几何尺寸为设计变量，碰撞作用力为约束，对薄壁结构进行结构优化。
In the formula , our experience in structural strength design and the experimental results are considered . and such factors are also considered as differences in materials of the skin and the reinforcer , effects of bending , torsion , stretching and offcenter of the reinforcer . furthermore , through post - buckling stress analysis of the skin , it is shown that even low stress level will result in buckling of the skin , but the skin still has loading capacity 在总结过去结构强度设计和试验分析的基础上,应用扁壳理论,在广义力与广义应变关系中考虑了蒙皮与加筋不同材料以及加筋的弯曲、扭转、伸缩和偏心等的影响,推导出适合于工程应用的加筋壳结构轴压屈曲临界载荷的计算方法;并通过对薄壁结构蒙皮后屈曲应力分析,说明蒙皮在很低的应力水平时就出现失稳现象,但失稳后的蒙皮仍具有一定的承载能力。
With the using of the thin - walled structure fem theory , the fem model is set up , which can reflects the distortion characteristic and stress distributing rule . also , with the consideration of the configuration characteristics of the miter gate , the parameterized method of pre - process and post - process is studied and the fem calculations subsystem is developed . furthermore , this paper cites an example to illustrate the analysis and calculation of a miter gate 4 、运用空间薄壁结构有限元理论，建立了能真实模拟人字门运行过程变形和应力规律的空间薄壁结构有限元数学模型；根据人字门的结构特点，研究了人字门参数化前后处理技术，开发了人字门空间有限元分析子系统，并进行了工程实例的有限元分析计算。
This paper brings out the mechanics calculating model of the shear model . four factors are considered in the linear analysis of the static behavior of the shear model . they are the parting number of height , the parting number of width , the type of pole and the type of shear diaphragm 本文建立了受剪板式薄壁结构的“肋-板”抗剪单元的力学计算模型，对于该计算模型，主要考虑了四个因素对抗剪单元在线弹性范围内静力性能的影响，即杆件规格、受剪板规格、高度方向等分数和宽度方向等分数。
In order to raise the system ' s efficiency , this paper puts forward self - proposed function library , blended data process etc . 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 为提高系统的效率，提出了关于自建库、混合数据处理等关键技术。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。
