Sharif University of TechnologyScientia Iranica1026-309826120190201Optimization of the aerodynamic configuration of a tubular projectile based on blind Kriging3113222001510.24200/sci.2017.20015ENQiang ZhaoNational Key Laboratory of Transient Physics, Nanjing University of Science and Technology,
Nanjing 210094, Jiangsu, ChinaZhihua ChenNational Key Laboratory of Transient Physics, Nanjing University of Science and Technology,
Nanjing 210094, Jiangsu, ChinaZhengui HuangNational Key Laboratory of Transient Physics, Nanjing University of Science and Technology,
Nanjing 210094, Jiangsu, ChinaHuanhao ZhangNational Key Laboratory of Transient Physics, Nanjing University of Science and Technology,
Nanjing 210094, Jiangsu, ChinaJie MaNational Key Laboratory of Transient Physics, Nanjing University of Science and Technology,
Nanjing 210094, Jiangsu, ChinaJournal Article20161207Based on optimal Latin hypercube design for computer experiments, blind Kriging surrogate model and sequential quadratic programming method, the optimal design of the aerodynamic configuration of a 30mm tubular projectile is carried out with the use of commercial softwares, such as UG, ICEM CFD, FLUENT etc. The aerodynamic configuration has been optimized to minimize the drag coefficients at different Mach numbers and maximize the kinetic energies at given flight ranges. The optimal configuration is obtained and discussed. Finally, the similarities and differences of the flow structure and aerodynamic characteristics between the original and optimal tubular projectiles are compared. The numerical optimal method proposed in this paper for optimizing the tubular projectile can provide important guidances for the aerodynamic configuration design of projectiles.http://scientiairanica.sharif.edu/article_20015_0b48d27ea04d3b571c11ac8c4323d59d.pdf