Buckling load computation of spherical-cone diaphragms based on Kriging metamodel

ZHOU Suan; QIANG Hong-fu; WANG Xue-ren; WANG Guang; ZHOU Zhi-qing

doi:10.13224/j.cnki.jasp.2014.01.014

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Buckling load computation of spherical-cone diaphragms based on Kriging metamodel

更新时间：2026-07-07

- Buckling load computation of spherical-cone diaphragms based on Kriging metamodel
- Vol. 29, Issue 1, Pages: 111-117(2014)
- 作者机构：
  
  1. 第二炮兵工程大学动力工程系,西安,710025
  2. 第二炮兵装备研究院航天飞行器生存技术与效能评估实验室,北京,100085
- 作者简介：
- 基金信息：
- DOI：10.13224/j.cnki.jasp.2014.01.014
  CLC：
- Published：2014
- 稿件说明：
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周算, 强洪夫, 王学仁, 王广, 周志清. 基于Kriging代理模型的锥柱形膜片屈曲载荷计算[J]. 航空动力学报, 2014, 29(1): 111-117.

doi: 10.13224/j.cnki.jasp.2014.01.014
周算, 强洪夫, 王学仁, 王广, 周志清. 基于Kriging代理模型的锥柱形膜片屈曲载荷计算[J]. 航空动力学报, 2014, 29(1): 111-117. DOI： 10.13224/j.cnki.jasp.2014.01.014.

doi: 10.13224/j.cnki.jasp.2014.01.014 DOI：

摘要

基于Kriging代理模型，建立了一种考虑膜片半径与厚度、锥段高度与角度等典型结构特征的计算屈曲载荷的工程方法，并选取典型样本点对模型进行了数值验证.结果表明：基于Cubic相关函数建立的Kriging代理模型预测未知样本点屈曲载荷误差控制在5%以内，较常用的Gauss相关函数更适合建立锥柱形膜片屈曲载荷的Kriging代理模型；此代理模型能准确计算未知样本点的屈曲载荷，减少了繁杂的有限元建模与计算过程；根据设定的屈曲载荷，代理模型可计算各典型特征的参数值，并可作为锥柱形膜片结构优化设计的约束函数或目标函数.

Abstract

Regarding typical structural characteristics of radius and thickness of diaphragms

height and angle of cone section

a method was built to compute the buckling load of diaphragms based on Kriging metamodel.The Kriging metamodel was validated by typical samples.Research results show that:for the Kriging metamodel based on Cubic correlation function

the error percentage to compute buckling loads at untried inputs is less than 5%

more suitable for computing the buckling loads of spherical-cone diaphragms than that based on Gauss correlation function;the metamodel could precisely compute buckling loads at untried inputs

without need of modeling and simulation by finite element method;the metamodel could compute parameter values of typical structural characteristics according to a set buckling load

and also could be used as bound function or object function for structural optimization design of spherical-cone diaphragms.

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