Evaluation of Explicit Algebraic Reynolds Stress Models for Turbulent Flow Simulations

Autor(es)

Silva, Thamires das Chagas ; Azevedo, Joao Luiz F.

• Tipo de documento: Artigo Científico
• Fonte: AIAA AVIATION FORUM AND ASCEND 2024; v. N/A, p. 17-pg., 2024-01-01.

Resumo

Two explicit algebraic Reynolds stress models (EARSMs) are evaluated in the present work to simulate turbulent flows around aeronautical configurations. The paper solves the 3-D Reynolds-averaged Navier-Stokes (RANS) equations, coupled with appropriate turbulence closure models. Equations are discretized using a cell-centered, finite volume method for general unstructured grids. The main thrust of the work is to study the possible improvement in the representation of flight conditions in which there are shock waves, interaction between shock waves and boundary layers, or flows with separation. The present work is part of an effort concerned with evaluating the effects of more advanced turbulence models in the solution of such flows, at the same time that providing for a cost-effective flow simulation capability that could be used by industry. The test cases addressed in the paper, although still somewhat simplified, demonstrate that there is potential for improvement in the representation of transonic flows with shock waves with the use of the nonlinear turbulence models. (AU)

• Processo FAPESP: 21/11258-5 - Centro de Pesquisa em Engenharia para a Mobilidade Aérea do Futuro (CPE-MAF)
• Beneficiário: Domingos Alves Rade
• Modalidade de apoio: Auxílio à Pesquisa - Programa Centros de Pesquisa em Engenharia
• Processo FAPESP: 23/09177-2 - Estudo de um modelo de viscosidade turbulenta não linear acoplado a um modelo de transição laminar-turbulento
• Beneficiário: Thamires das Chagas Silva
• Modalidade de apoio: Bolsas no Brasil - Doutorado
• Processo FAPESP: 13/07375-0 - CeMEAI - Centro de Ciências Matemáticas Aplicadas à Indústria
• Beneficiário: Francisco Louzada Neto
• Modalidade de apoio: Auxílio à Pesquisa - Centros de Pesquisa, Inovação e Difusão - CEPIDs