1. State Key Laboratory of Advanced Design and Manufacturing for Vehicle BodyHunan UniversityChangsha Hunan410082 China
2. College of Mechanical and Vehicle EngineeringHunan UniversityChangsha Hunan410082 China
3. Aerodynamics Research Institute, Aviation Industry of ChinaShenyang Liaoning110034 China
4. Department of Mechanical and Aerospace EngineeringNorth Carolina State UniversityRaleigh North Carolina27695