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论文:2013,Vol:31,Issue(3):339-344 |
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引用本文： |
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粟华, 谷良贤, 龚春林. 基于高拟真度模型的再入飞行器多学科优化[J]. 西北工业大学 |
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Su Hua, Gu Liangxian, Gong Chunlin. Multidisciplinary Design Optimization of Reentry Vehicle Based on High Fidelity Model[J]. Northwestern polytechnical university |
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| 基于高拟真度模型的再入飞行器多学科优化 |
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| 粟华, 谷良贤, 龚春林 |
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| 西北工业大学 航天学院, 陕西 西安 710072 |
| 摘要: |
| 针对新型飞行器子学科高度集成、学科间强烈耦合的设计特点,提出了一套基于高拟真度学科分析模型的高超声速飞行器多学科建模、集成和求解方法。采用依托CAD造型的参数化主模型架构技术进行几何特征建模,为气动、结构、气动热、质量等学科分析模型构建提供基准支持;在此基础上研究了CAD、CAE等高拟真度学科分析模型在多学科设计优化中的集成应用方法,并以高超声速无动力滑翔再入飞行器为对象建立了支持高拟真度模型的多学科优化系统构架;最后采用响应面与梯度算法组合的搜索方式实现了再入飞行器的多学科优化。 |
| 关键词:
多学科优化
高拟真度模型
参数化主模型技术
参数化方法
集成技术
高超声速飞行器
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| Multidisciplinary Design Optimization of Reentry Vehicle Based on High Fidelity Model |
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| Su Hua, Gu Liangxian, Gong Chunlin |
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| College of Astronautics,Northwestern Polytechnical University,Xi'an 710072,China |
| Abstract: |
| Keeping in mind the characteristics of high integration and intense coupling on new aircraft design, we present a modeling, integration and solving method of hypersonic aircraft.We develop a parameterized master mod-el technology which is based on Computer Aided Design (CAD) model; it offers base supports for aerodynamic, structural, thermal model and mass estimation.A multidisciplinary design optimization integration technology of high fidelity model with CAD and Computer Aided engineering (CAE) is studied on that basis.At last multidisci-plinary design optimization system architecture of high fidelity model is established on an unpowered hypersonic gli-ding reentry vehicle, and a hybrid search method combining approximation technology with gradient algorithm is used for high-efficiency optimizing of the hypersonic reentry vehicle. |
| Key words:
Multidisciplinary design optimization
High fidelity model
Parameterized master model technology
Parameterization
Integration
Hypersonic vehicles
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| 收稿日期: 2012-09-04
修回日期:
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| DOI: |
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Email： |
| 作者简介: 粟华(1985-),西北工业大学博士研究生,主要从事飞行器总体设计、多学科设计优化应用技术研究。
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| 作者相关文章 |
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| 粟华 在本刊中的所有文章 |
| 谷良贤 在本刊中的所有文章 |
| 龚春林 在本刊中的所有文章 |
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