高超声速飞行器流-热-固耦合研究现状与软件开发

新一代高超声速飞行器流-热-固耦合问题研究对准确评估与设计飞行器热防护系统结构尤为重要。回顾了高超声速飞行器流-热-固耦合问题的发展历程与现状。从物理含义出发,对高超声速流-热-固耦合问题各学科间的耦合关系以及各自的建模方法进行了归纳。对高超声速飞行器流-热-固耦合问题的研究进展,特别是流-热-固多场耦合分析策略/方法进行了总结。从平台框架、功能模块、耦合方法和技术特点等方面,对中国空气动力研究与发展中心自主研发的热环境/热响应耦合计算分析平台(FL-CAPTER)进行了阐述。最后,对高超声速飞行器流-热-固耦合发展所面临的问题和发展趋势进行了讨论。

Research status of hypersonic vehicle fluid-thermal-solid coupling and software development

The study of fluid-thermal-structural coupling problem is particularly important for the design and evaluation of the thermal protection system of a new generation hypersonic vehicle.A review of the state-of-the-art of hypersonic vehicle fluidthermal-solid coupling problem is provided.This paper briefly reviews the history and current status of the development of hypersonic vehicle.Starting from the physical definition,the coupling relationship of the hypersonic fluid-thermal-solid coupling problem in various disciplines and their modeling methods are summarized.Progress in the hypersonic vehicle fluidthermal-solid coupling problem,especially in multidisciplinary coupling analysis strategies/methods,are summarized.The coupled analysis platform for thermal environment and structure response (FL-CAPTER) developed by China Aerodynamic Research and Development Center are introduced with respect to platform framework,function modules,coupling methods and technical features.Finally,challenges and future directions in hypersonic vehicle fluid-thermal-solid coupling problem are outlined.