Zobrazeno 1 - 10
of 667
pro vyhledávání: '"Stefan, Heinz"'
Autor:
Adeyemi Fagbade, Stefan Heinz
Publikováno v:
Applied Sciences, Vol 14, Iss 7, p 2705 (2024)
Reynolds-averaged Navier–Stokes (RANS), large eddy simulation (LES), and hybrid RANS-LES, first of all wall-modeled LES (WMLES) and detached eddy simulation (DES) methods, are regularly applied for wall-bounded turbulent flow simulations. Their cha
Externí odkaz:
https://doaj.org/article/9b9a0c571525495487d8b602843be43b
Autor:
Stefan Heinz
Publikováno v:
Fluids, Vol 9, Iss 3, p 63 (2024)
The discovery of the law of the wall, the log-law including the von Kármán constant, is seen to be one of the biggest accomplishments of fluid mechanics. However, after more than ninety years, there is still a controversial debate about the validit
Externí odkaz:
https://doaj.org/article/e6d29dc11f8140e39ae685045c6f0378
Autor:
Adeyemi Fagbade, Stefan Heinz
Publikováno v:
Fluids, Vol 9, Iss 1, p 22 (2024)
The usual concept of simulation methods for turbulent flows is to impose a certain (partial) flow resolution. This concept becomes problematic away from limit regimes of no or an almost complete flow resolution: discrepancies between the imposed and
Externí odkaz:
https://doaj.org/article/f9ffa3dff1f84d919ab5821144a69aaf
Autor:
Stefan Heinz
Publikováno v:
Fluids, Vol 9, Iss 1, p 25 (2024)
Our ability to reliably and efficiently predict complex high-Reynolds-number (Re) turbulent flows is essential for dealing with a large variety of problems of practical relevance. However, experiments as well as computational methods such as direct n
Externí odkaz:
https://doaj.org/article/95787fcf02ae4d7cb8e18198ded30d52
Publikováno v:
In Journal of Environmental Chemical Engineering December 2021 9(6)
Publikováno v:
In Science of the Total Environment 10 November 2021 794
Autor:
Higashino, Makoto, Stefan, Heinz G
Publikováno v:
In Agricultural and Forest Meteorology 15 September 2021 307
Autor:
Stefan Heinz
Publikováno v:
Mathematics, Vol 11, Iss 14, p 3199 (2023)
Turbulent flows of practical relevance are often characterized by high Reynolds numbers and solid boundaries. The need to account for flow separation seen in such flows requires the use of (partially) resolving simulation methods on relatively coarse
Externí odkaz:
https://doaj.org/article/77e76fe9b2204df0bbd2f9b16a0710b8
Autor:
Stefan Heinz
Publikováno v:
Fluids, Vol 7, Iss 12, p 368 (2022)
Hybrid RANS-LES methods are supposed to provide major contributions to future turbulent flow simulations, in particular for reliable flow predictions under conditions where validation data are unavailable. However, existing hybrid RANS-LES methods su
Externí odkaz:
https://doaj.org/article/3899345023174f4a828763b86b77cf3e