In order to improve design efficiency of pressure-resistant cylindrical shells, the parametric analysis process of pressure-resistant cylindrical shells was designed. material properties, load exertion and boundary conditions involved in finite element analysis were studied, and the arc length method was adopted to analyze the stability of pressure-resisting cylindrical shells. ABAQUS software was redeveloped by Python language. the integration of ABAQUS was realized by using Isight software. automatic mesh generation, automatic analysis and calculation of the finite element analysis model of pressure cylindrical shells were realized. the sample points were selected for parametric analysis, the response surface model was used to fit the sample points. the approximate model with high fitting accuracy and satisfying engineering needs was obtained. the sensitivity analysis of design variables was carried out. research results shown parametric analysis process could realize the automatic analysis, approximate model and sensitivity analysis of pressure-resistant cylindrical shells, reduced the difficulty of analysis, aboved all coluld improve the design efficiency of pressure-resistant cylindrical shells. |