Evaluation of Detached Eddy Simulations for predicting the flow over periodic hillsS. Šarić, S. Jakirlić, M. Breuer, B. Jaffrézic, G. Deng, O. Chikhaoui, J. Fröhlich, D. von Terzi, M. Manhart and N. PellerESAIM: Proc., 16 (2007) 133-145DOI: https://doi.org/10.1051/proc:2007016