|Table of Contents|

Light-weight Design of Composite Materials Direction Tube

《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

Issue:
2011年02期
Page:
168-172177
Research Field:
Publishing date:

Info

Title:
Light-weight Design of Composite Materials Direction Tube
Author(s):
CAI De-yong12MA Da-wei1YU Cun-gui1LE Gui-gao1NIE Yun1
1.School of Mechanical Engineering,NUST,Nanjing 210094,China;2.71897 Unit of PLA,Xinyang 464194,China
Keywords:
composite materials direction tubes secondary development multi-island genetic algorithm sequential quadratic programming dynamic optimization
PACS:
V553.1
DOI:
-
Abstract:
In order to obtain good and light-weight composite materials direction tube,the lightest weight of a direction tube is defined as an objective function,the optimal mathematical model is established by taking the thickness and winding angle of the composite materials layers as design variables and the stiffness and strength as constraints.Secondary development of ABAQUS by using Python language,the parametric finite element model of the composite materials direction tube is obtained.The multi-island genetic algorithm and sequential quadratic programming are used as a combined optimal strategy,the optimization solution frame of the direction tube is established based on iSIGHT optimization platform.Optimization results show that the weight of the composite materials direction tube decreases by 21.9% with the stiffness and strength meeting the design requirements.

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Last Update: 2012-04-30