Direct Numerical Simulations of Turbulent Boundary Layer using OpenFOAM and Adapted Mesh

OpenFOAM과 어댑티드 격자를 이용한 난류 경계층의 직접 수치 모사

  • Received : 2016.01.15
  • Accepted : 2016.06.02
  • Published : 2016.06.20


Direct numerical simulations of a spatially developing turbulent boundary layer on a flat plate have been performed to verify the applicability of OpenFOAM and adapted mesh with prism layers to turbulent numerical simulation with high fidelity as well as provide a guideline on numerical schemes and parameters of OpenFOAM. Reynolds number based on a momentum thickness at inlet and a free-stream velocity was Reθ=300. Time dependent inflow fields with near-wall turbulent structures were generated by a method of Lund et al. (1998), which was to extract instantaneous velocity fields from an auxiliary simulation with rescaled and recycled velocities at inlet. To ascertain the statistical characteristics of turbulent boundary layer, the mean profiles of streamwise velocity and turbulent intensities obtained from structured and adapted meshes were compared with the previous data.


Turbulent boundary layer;OpenFOAM;Direct numerical simulation;Adapted mesh;Structured mesh


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