Application method of integrated optimization design in fuel cabin shell forming based on proxy model

The invention discloses an application method of integrated optimization design in fuel cabin shell forming based on a proxy model. The method specifically comprises the steps of parameterized establishment of a fuel cabin shell hot forming stamping process simulation 3D model, DOE test design and initial sampling, construction of an initial Kriging model, and proxy model precision evaluation and sequence adding point optimization. According to the method, the agent model and parameterization integrated calculation are combined, automation of the fuel cabin shell process optimization agent model is achieved, parameterization of processing before and after finite element simulation is achieved, the whole process is convenient and simple to build, only operation is needed on an optimization design platform built based on Matlab, time and manpower are greatly saved, and good engineering applicability is achieved. 本发明公开了一种基于代理模型的集成优化设计在燃料舱外壳成形中的应用方法；其具体包括：参数化建立燃料舱外壳热成形冲压工艺模拟3D模型、DOE试验设计与初始采样、构建初始Kriging模型、代理模型精度评