Volume 29 Issue 1
Jan.  2014
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ZHOU Suan, QIANG Hong-fu, WANG Xue-ren, WANG Guang, ZHOU Zhi-qing. Buckling load computation of spherical-cone diaphragms based on Kriging metamodel[J]. Journal of Aerospace Power, 2014, 29(1): 111-117. doi: 10.13224/j.cnki.jasp.2014.01.014
Citation: ZHOU Suan, QIANG Hong-fu, WANG Xue-ren, WANG Guang, ZHOU Zhi-qing. Buckling load computation of spherical-cone diaphragms based on Kriging metamodel[J]. Journal of Aerospace Power, 2014, 29(1): 111-117. doi: 10.13224/j.cnki.jasp.2014.01.014

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

doi: 10.13224/j.cnki.jasp.2014.01.014
  • Received Date: 2012-11-19
  • Publish Date: 2014-01-28
  • 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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