| 引用本文: | 黄春芳,肖加余,郑青,等.应用Isight的复合材料桁架结构优化设计.[J].国防科技大学学报,2016,38(1):39-43.[点击复制] |
| HUANG Chunfang,XIAO Jiayu,ZHENG Qing,et al.Structural optimization of composite truss based on Isight platform[J].Journal of National University of Defense Technology,2016,38(1):39-43[点击复制] |
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| 应用Isight的复合材料桁架结构优化设计 |
| 黄春芳, 肖加余, 郑青, 鞠苏, 江大志 |
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(国防科技大学 航天科学与工程学院， 湖南 长沙 410073)
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| 摘要: |
| 轻质复合材料及其结构以其优异的力学性能在航天航空飞行器上得到了广泛应用。考察玻璃纤维/环氧复合材料方形截面桁架在典型弯曲载荷工况条件下的非线性结构承载性能。采用Isight集成平台对桁架结构进行多参数优化设计，获得满足结构刚度和承载性能要求的最轻质桁架结构的几何参数，并分析最优化结构在载荷作用下的结构非线性响应行为。结果表明采用Isight平台对桁架结构进行多参数优化设计具有较高的效率和可信度。 |
| 关键词: 玻璃纤维复合材料 桁架 Isight集成平台 ANSYS 结构优化设计 |
| DOI：10.11887/j.cn.201601007 |
| 投稿日期：2015-10-08 |
| 基金项目:国家863计划资助项目（2012AA03A205）；国家自然科学基金资助项目（11202231） |
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| Structural optimization of composite truss based on Isight platform |
| HUANG Chunfang, XIAO Jiayu, ZHENG Qing, JU Su, JIANG Dazhi |
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(College of Aerospace Science and Engineering, National University of Defense Technology, Changsha 410073, China)
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| Abstract: |
| Fiber reinforced composites have been widely used in aerospace and aircraft structures because of their excellent mechanical properties and light weight. Glass fiber reinforced epoxy composite truss with square cross section under three-point bending exhibites nonlinear behavior according to finite element analysis. On the Isight platform, a multi-parameter optimization method was conducted to obtain five key geometric parameters of the optimal composite truss, which met the demands of structural stiffness, load bearing and light weight. Nonlinear structural responses of the optimal composite truss were obtained. The results showed that the use of Isight platform has high efficiency and reliability for multi-parameter optimization of truss structure. |
| Keywords: glass fiber reinforced epoxy composite truss Isight platform ANSYS structural optimization |
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