1、学位论文基于仿真驱动的大型亚声速后掠翼的设计评估与优化研究 指导教师姓名：申请学位级别：硕士论文提交日期：学科、专业名称：测试计量技术及仪器论文答辩日期: 学位授予单位：河北工业大学答辩委员会主席：评阅人：20XX年 X月河北工业大学硕士学位论文基于仿真驱动的大型亚声速后掠翼的设计评估与优化研究摘要设计评估与优化是产品研发、改进、创新的关键。传统的设计评估与优化技术采用串级工作流程，通过经验公式或多领域专家完成，需要设计计算、分析评估、再设计计算、再分析评估等多次循环反复工作，特别是大量繁复的人工评判及协调工作的局限性，不但大大推迟了新产品上市时间，造成了极大的资源浪费，还会留下严重的生产安全隐患。现代测控技术通过分布式、协同化、可视化、数字化方法实现复杂过程的数据监测、质量控制及数值模拟，本文探讨基于现代测控技术思想的产品虚拟样机仿真设计评估与优化方法，试图采用仿真驱动的 MDO 技术将产品设计过程延展，借助多域仿真模型和虚拟评估方法来解决产品虚拟样机设计优化问题。首先，分析了基于仿真驱动的复杂产品设计方法，从概念设计、初步设计、详细设计三个阶段阐述如何进行相应的有效的评估，然后从全
2、局上进行归纳综合，形成一套完整的、递进的评估优化策略。其次，给出了基于仿真驱动的产品虚拟样机协同设计评估与优化的基本方法，通过产品虚拟样机仿真建模、协同运行及优化评估，形成了一种分布式协同评估优化模式，通过仿真模型初步解决了产品设计优化系统的多域集成性与过程性控制评估与优化问题。最后，以民航客机的设计评估与优化为实例，针对机翼的结构、气动多领域协同设计为对象，对上述方法进行验证，并得出最优方案，与传统的方法相比，基于仿真驱动的设计评估与优化方法更加科学、更加完备，对产品的设计更具有指导意义。关键词：仿真驱动，现代测控技术，虚拟样机，产品设计评估，协同优化i基于仿真驱动的大型亚声速后掠翼的设计评估与优化研究THE RESEARCH OF DESIGN EVALUATION AND OPTIMIZATION FOR LARGE-SCALE SUBSONIC SWEPT WING USING SIMULATION-DRIVENABSTRACTThe design evaluation and optimization is the cruces in the product research
3、, improvement, and innovation. The traditional design evaluation and optimization techniques were used a serial work flow, completed through the empirical formulas , the multi-domain experts, and a cyclical, repeated works with a design calculation, analysis appraisal, re-design calculation, re-analysis appraisal, specially the massive complicated artificial judgments and coordinated work limitation, lead to a postponing of the new product going on the market time greatly, which created the enor
4、mous resources waste, even left behind serious production security risk.Through the distributional, collabrative, visible, digitized method, the modern measuring and control technique realize the data monitor, quality control and value simulation of the complex process, under the Virtual Prototyping simulation design evaluation and optimization method based on the modern measuring and control ideology, this thesis attempts to use the simulation-driven MDO technology to extend the product design
5、process, as well as using multi-domain simulation model, and the virtual evaluation solve the Virtual Prototyping design optimization.First, the simulation-driven complex product design method has been analyzed, from the conceptual design, the preliminary design, to detail designs the thesis has elaborated how to carries on the corresponding effective evaluation, then carried on the induction and synthesis from the global situation, formed a set of completely, progressive evaluation and optimiza
6、tion strategy.Secondly, the essential method of the simulation-driven product Virtual Prototyping collaborative design evaluation and optimization has been given, through the product Virtual Prototyping simulation modelling, collaborative running as well as optimization and evaluation, one kind of distributional collaborative evaluation and optimization pattern has been formed, using simulated model, the multi-domain integration, process control as well as evaluation and optimization of the prod
7、uct design optimization system has been initially solved.ii河北工业大学硕士学位论文Finally, take the design evaluation and optimization of the airline as an example, and take the wing structure, aerodynamics multi-domain design as the object, this thesis carried on the confirmation to the above method, and obtained the synergy, compared with the traditional method, the simulation-driven design evaluation and optimization is more scientific, and more complete, which has the guiding sense to the product desig
8、n.KEY WORDS: Simulation-Driven, Modern Measuring and Control Technique, Virtual Prototyping, Product Design Evaluation, Collaborative Optimizationiii基于仿真驱动的大型亚声速后掠翼的设计评估与优化研究目录摘要iABSTRACTii目录iv第一章 绪论11-1 引言11-2 课题背景11-3 产品设计的评估与优化现状21-3-1现代产品特征21-3-2产品设计的评估与优化研究方向31-3-3产品设计的评估与优化研究成果41-4 本文的研究内容及结构安排5第二章 基于仿真驱动的产品设计方法62-1 产品的仿真设计综述62-1-1发展阶段62-1-2成熟阶段72-1-3高级阶段82-2 基于仿真驱动的复杂产品设计方法研究92-2-1复杂产品的特征92-2-2复杂产品的仿真设计102-2-3. 基于仿真驱动的复杂产品设计方法11第三章 基于仿真驱动的产品评估与优化方法143-1 产品的评估方法综述143-1-1层次分析法143-1-2蛛网图法143-1-3灰色系统论153-1-4物元分析法153-1-5模糊综合评估法163-1-6粗糙集理论163-2 基于仿真驱动的复杂产品设计评估方法163-2-1基于仿真驱动的评估结构163-2-2基于仿真驱动的评估准则183-2-3基于仿真驱动的评估指标193-3 基于仿真驱动的复杂产品的协同优化223-3-1基于仿真驱动的产品优化问题22iv河北工业大学硕士学位论文3-3-2基于仿真驱动的复杂产品的协同优化233-3-3复杂产品设计的多学科设计优化方法29第四章 大型亚声速后掠翼的仿真设计314-1 大型亚声速后掠翼的仿真建模及校验324-1-1大型亚声速后掠翼的参数化 CAD 建模324-1-2大型亚声速后掠翼的仿真模型及校验364-1-3
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