The conical shell-folding plate structure is very common in the structure of aviation cabin, and as the bearer of major core precision scientific instruments and equipment of aviation equipment, the strength design of cabin structure is particularly critical. In this paper, the dynamic characteristics of the conical shell-folding plate structure are analyzed. Through simulation calculation, the response result of the conical shell-folding plate structure under random vibration is obtained, and the response surface function between the material parameters and the dynamic response is established. Furthermore, the Spearman rank correlation coefficient was used to analyze the sensitivity, and the main factors affecting the dynamic strength of the cabin structure in the conical shell and folded plate structure were screened out. Finally, the influence curve of each major factor on the dynamic response of the response surface is obtained.
关键词
动强度分析/板-壳耦合结构/随机振动/有限元分析/灵敏度分析
Key words
dynamic strength analysis/conical shell-folding plate structure/random vibration/finite element analysis/sensitivity analysis
维普
万方数据