Titlebook: DESider – A European Effort on Hybrid RANS-LES Modelling; Results of the Europ Werner Haase,Marianna Braza,Alistair Revell Conference proce

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Conference proceedings 2009t of, turbulent flows. Hence, the main objective in industrial computational fluid dynamics (CFD) is to increase the capabilities for an improved predictive accuracy for both complex flows and complex geometries”. This text part taken from Haase et al (2006), - scribing the results of the DESider pr

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https://doi.org/10.1007/978-3-030-13487-7 some doubts were raised about the validity of the solutions in the transition region (or grey zone) between the RANS and the fully developed LES regions, an attempt was made to identify turbulent structures which develop in the separated region, in order to compare them with those predicted by hybrid approaches.

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II Presentation of Modelling Approaches,l modifications not related to any specific background model and touching upon the basics of DES. They are Delayed DES (DDES) and Improved DDES (IDDES), which permit respectively to eliminate major flaws of the “standard” DES found in the course of its intensive use both within and outside DESider and to widen an area of DES applicability.

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DESider – A European Effort on Hybrid RANS-LES ModellingResults of the Europ

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IV Applications - Test Cases,t by the partners TUB, UMAN and IMFT. Previously obtained results by NTS in the FLOMANIA program are also reported. A discussion on the ability of the used turbulence modelling to capture the complex flow physics in respect on the present non-equilibrium turbulence is addressed, based on comparison

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https://doi.org/10.1007/978-3-030-13487-7t by the partners TUB, UMAN and IMFT. Previously obtained results by NTS in the FLOMANIA program are also reported. A discussion on the ability of the used turbulence modelling to capture the complex flow physics in respect on the present non-equilibrium turbulence is addressed, based on comparison