Optimization of RBF Parameterized Airfoils With the Aerodynamic ROM

ZHANG Jun; LI Lizhou; YUAN Meini

doi:10.21656/1000-0887.390187

Volume 40 Issue 3

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ZHANG Jun, LI Lizhou, YUAN Meini. Optimization of RBF Parameterized Airfoils With the Aerodynamic ROM[J]. Applied Mathematics and Mechanics, 2019, 40(3): 250-258. doi: 10.21656/1000-0887.390187

Citation:

ZHANG Jun, LI Lizhou, YUAN Meini. Optimization of RBF Parameterized Airfoils With the Aerodynamic ROM[J]. Applied Mathematics and Mechanics, 2019, 40(3): 250-258. doi: 10.21656/1000-0887.390187

Citation:

ZHANG Jun, LI Lizhou, YUAN Meini. Optimization of RBF Parameterized Airfoils With the Aerodynamic ROM[J]. Applied Mathematics and Mechanics, 2019, 40(3): 250-258. doi: 10.21656/1000-0887.390187

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Optimization of RBF Parameterized Airfoils With the Aerodynamic ROM

doi: 10.21656/1000-0887.390187

¹Department of Mathematics, Taiyuan University, Taiyuan 030001, P.R.China;²College of Mechatronics Engineering, North University of China, Taiyuan 030051, P.R.China

Funds: The National Natural Science Foundation of China(51775518)

Received Date: 2018-06-28
Rev Recd Date: 2018-11-29
Publish Date: 2019-03-01

Abstract

Abstract

Under the assumption of small perturbations and weak nonlinearity, a new airfoil optimization method was proposed based on the aerodynamic reduction order model (ROM) and the radial basis function (RBF) parameterization. The RBF was used to parameterize the airfoil shape perturbations, the ROM kernels of the airfoil aerodynamics corresponding to shape perturbations were identified with the computational fluid dynamics (CFD), the aerodynamic ROM was built through superposition, and the airfoil liftdrag ratio was calculated and optimized with the ROM. The optimized results of the NACA0012 airfoil show that, the proposed optimization method based on the ROM is feasible and can greatly accelerate the airfoil optimization procedure.
- ROM,
- airfoil,
- optimization,
- RBF,
- parameterization

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References(23)

References

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