Research Initiation Award: Direct Numerical Simulation for Shock/Turbulence Interaction with Applications to Supersonic Cavity Flows

研究启动奖(RIA)为开始建立研究计划的历史黑人学院和大学(HBCU)的初级教师提供支持，以及为需要重新指导和重新建立研究计划的职业生涯中期教师提供支持。预计该奖项有助于进一步提高教师的研究能力和效率，改善研究人员所在机构的研究和教学，并让本科生参与研究经验。随着设计远程和持续超音速运输和商务喷气式飞机的技术进步，人们对超音速空腔流动研究的兴趣与日俱增。塔斯基吉大学的HBCU-UP RIA将在一个亟需的教学和研究领域--计算建模和模拟--建立先进的教学-研究基础设施。该研究采用基于高精度、高效率数值格式的直接数值模拟方法，研究了超音速空腔激波/湍流混合层的相互作用和各种流动特性，适用于超音速民用运输和军用飞机。从开发的程序中获得的数据将被用于进行气动声学分析，从而以最高的精度预测流动振荡和相应的声压级。拟议的数值模型有可能极大地降低与超音速实验测试相关的高昂成本。所产生的研究材料将直接整合到新的和现有的课程和课程中，面向以少数族裔为主的本科生，并用于教师发展。除了开发首席研究人员的研究组合外，该项目还为高科技行业、国家实验室和学术机构培养了一支竞争激烈、训练有素、多样化的国家劳动力队伍。该项目涉及与俄亥俄州立大学、国家航空航天局(兰利研究中心)和阿拉巴马州超级计算机管理局的研究人员合作。流体力学问题的计算建模和高性能计算领域研究能力的发展帮助塔斯基吉大学的教员开展前沿研究，并提供通过出版物与科学界分享这些成果的机会。该机构既是一个为少数群体服务的机构，也是一个激励竞争研究的试验性计划(EPSCoR)机构。因此，该项目扩大了在EPSCoR指定的辖区内专业工程领域的研究竞争力的能力和能力。

Research Initiation Awards (RIAs) provide support for junior faculty at Historically Black Colleges and Universities (HBCUs) who are starting to build a research program, as well as for mid-career faculty who need to re-direct and re-build a research program. It is expected that the award helps to further the faculty member's research capability and effectiveness, improves research and teaching at the researcher's home institution, and involves undergraduate students in research experiences.Interest in supersonic cavity flow research is growing with the advancement of technology to design long range and sustained supersonic transport and business jets. Tuskegee University's HBCU-UP RIA will establish an advanced teaching-research infrastructure in a much needed area of teaching and research - computational modeling and simulation. The proposed research utilizes direct numerical simulation based on a numerical scheme of high accuracy and efficiency to investigate the shock/turbulent mixing layer interaction and various flow features of a supersonic cavity and has applicability to supersonic civil transport and military aircraft. Data obtained from the developed code will be utilized to perform aero-acoustic analysis, thereby, predicting flow oscillations and corresponding sound pressure levels with maximum accuracy. The proposed numerical model has the potential to considerably reduce the high costs associated with supersonic experimental testing.The research material produced will be directly integrated into new and existing courses and classes for undergraduate students from predominately underrepresented minority populations and for faculty development. In addition to developing the the principal investigator's research portfolio, the project contributes to a competitive, well-trained, diverse national workforce for high technology industries, national labs and academic institutions.The project involves collaborations with researchers at the Ohio State University, the National Aeronautics and Space Administration (Langley Research Center)and the Alabama Supercomputer Authority. The development of research capabilities in the area of computational modeling of fluid dynamics problems and high-performance computing assists Tuskegee University faculty in conducting leading-edge research and provides the opportunity to share these outcomes with the scientific community through publications. The institution is both a minority-serving and an Experimental Program to Stimulate Competitive Research (EPSCoR) institution. Thus, the project expands the capability and capacity for research competitiveness in a specialized engineering field in this EPSCoR-designated jurisdiction.