A Comparison of CFD and AIC-Based Methods for Unsteady Aerodynamics and Flutter Computations of the AEPW-2 Wing Model

Begnini, Guilherme Ribeiro; Spode, Cleber; PANTALEAO, ALUISIO; Guaraldo, Bruno; Marcório, Guilherme D.; Pedras, Marcos H. J.; Bones, Carlos A.

doi:10.2514/6.2016-3123

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“…Since 2016, all the studies that presented a complete solution of AePW-2 test cases used proprietary codes or inhouse codes, as seen in [2] and [3].…”

Section: Introductionmentioning

confidence: 99%

Solution of AePW-2 Test Cases Using Open-Source Code

Campos¹,

Lazzarini²,

PANTALEAO³

2021

IJAERS

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The analyses presented in this paper are focus on the solution of cases 1 and 3A proposed by the second Aeroelastic Prediction Workshop , using an open-source CFD code. The reference cases presented by AePW-2 analyze the transonic flow around a Benchmark Supercritical Wing (BSCW). AePW-2 Test case 1 consists of a forced oscillation problem with Mach number of 0.7 and angle of attack of 3 deg, while AePW-2 Test case 3A analyzes a flow with Mach number of 0.85 and angle of attack of 5 deg, being that an unforced and unsteady problem. In the study, we simulated both test cases using the software SU2, being the results validated by comparison with experimental data provided by AePW-2. The results matched with accuracy with the experimental data and presented a good response for the analyses of AePW-2 test case 3A, proving the software capability of capture the physical phenomena involved in this type of flow.

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“…Since 2016, all the studies that presented a complete solution of AePW-2 test cases used proprietary codes or inhouse codes, as seen in [2] and [3].…”

Section: Introductionmentioning

confidence: 99%