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Aerodynamic Characteristics and Flutter Analysis of NACA0018 Airfoil based on CESE/IBM
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Xutong ZHANG1, 2, Yubin YU3, Yanshou LUO3, Xin ZHENG3, Jingjie LI1, 2
Missiles and Space Vehicles | 2025, 48(1) : 17 - 28
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Missiles and Space Vehicles | 2025, 48(1): 17-28
• Launch Vehicle and Missile •
Aerodynamic Characteristics and Flutter Analysis of NACA0018 Airfoil based on CESE/IBM
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Xutong ZHANG1, 2, Yubin YU3, Yanshou LUO3, Xin ZHENG3, Jingjie LI1, 2
Affiliations
  • 1Key Laboratory of the Ministry of Education of Intelligent Control and Optimization of Industrial Equipment, Dalian University of Technology, Dalian ,116024
  • 2Aerospace Separation Dynamics and Control Engineering Technology Center, Dalian University of Technology, Dalian ,116024;
  • 3Beijing Institute of Astronautical Systems Engineering,Beijing,100076
Published: 2025-02-25 doi: 10.7654/j.issn.2097-1974.20250103
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During the flight of aircraft, a coupling effect between the fluid aerodynamic forces and the structural elastomer will be formed, and this interaction may cause different degrees of damage to the divergence and jitter of the elastomer, resulting in safety risks. A numerical simulation method of fluid-structure coupling based on time-space conserved element solution and immersion boundary is proposed. The method of time-space conserved element solution is used to calculate the fluid domain, and the submerged body-fitted mesh boundary method is used to identify the fluid-structure coupling boundary surface. Taking NACA0018 as an example, the cloud image of wing outflow field pressure and velocity at different angles of attack is obtained through simulation data. At the same time, the buffeting amplitude of the wing under different inlet velocity and its rule are studied. The research shows that the fluid-structure coupling method has high accuracy and stability in solving high-speed compressible flows with complex flow patterns, including shock wave or detonation and large deformation problems, providing a reference research method for related research.

fluid-structure interaction  /  CESE  /  immersed boundary  /  numerical simulation  /  buffeting analysis
Xutong ZHANG, Yubin YU, Yanshou LUO, Xin ZHENG, Jingjie LI. Aerodynamic Characteristics and Flutter Analysis of NACA0018 Airfoil based on CESE/IBM[J]. Missiles and Space Vehicles, 2025 , 48 (1) : 17 -28 . DOI: 10.7654/j.issn.2097-1974.20250103
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Article Info
doi: 10.7654/j.issn.2097-1974.20250103
  • Receive Date：2024-03-14
  • Online Date：2025-07-21
  • Published：2025-02-25
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History
  • Received：2024-03-14
  • Revised：2024-12-08
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Affiliations
    1Key Laboratory of the Ministry of Education of Intelligent Control and Optimization of Industrial Equipment, Dalian University of Technology, Dalian ,116024
    2Aerospace Separation Dynamics and Control Engineering Technology Center, Dalian University of Technology, Dalian ,116024;
    3Beijing Institute of Astronautical Systems Engineering,Beijing,100076
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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