摘要
针对火箭多学科设计优化过程中气动数值计算时间过长的问题,提出一种基于支持向量机的气动代理模型构建方法,并对构建流程进行详细说明。通过构建某火箭支持向量机代理模型,评估在小样本下,支持向量机气动代理模型的精度,证明了该方法的可行性和有效性。
A method of constructing aerodynamic surrogate model based on support vector machine is presented in this paper to solve the problem that time for aerodynamic numerical calculation is too long during the rocket multidisciplinary design optimization,and the constructing process is described in details.While constructing the aerodynamic surrogate model of a rocket based on support vector machine,the accuracy of this aerodynamic surrogate model under a small sample is evaluated.The result proves the practicability and effectiveness of this method.
出处
《导弹与航天运载技术》
北大核心
2013年第4期33-37,共5页
Missiles and Space Vehicles
关键词
火箭气动设计
代理模型
多学科设计优化
支持向量机
Rocket aerodynamic discipline
Surrogate model
Multidisciplinary design optimization
Support vector machine
