{"id":218704,"date":"2025-07-25T04:19:28","date_gmt":"2025-07-25T09:19:28","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/07\/supercomputer-simulation-clarifies-how-turbulent-boundary-layers-evolve-at-moderate-reynolds-numbers"},"modified":"2025-07-25T04:19:28","modified_gmt":"2025-07-25T09:19:28","slug":"supercomputer-simulation-clarifies-how-turbulent-boundary-layers-evolve-at-moderate-reynolds-numbers","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/07\/supercomputer-simulation-clarifies-how-turbulent-boundary-layers-evolve-at-moderate-reynolds-numbers","title":{"rendered":"Supercomputer simulation clarifies how turbulent boundary layers evolve at moderate Reynolds numbers"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/supercomputer-simulation-clarifies-how-turbulent-boundary-layers-evolve-at-moderate-reynolds-numbers2.jpg\"><\/a><\/p>\n<p>Scientists at the University of Stuttgart\u2019s Institute of Aerodynamics and Gas Dynamics (IAG) have produced a novel dataset that will improve the development of turbulence models. With the help of the Hawk supercomputer at the High-Performance Computing Center Stuttgart (HLRS), investigators in the laboratory of Dr. Christoph Wenzel conducted a large-scale direct numerical simulation of a spatially evolving turbulent boundary layer.<\/p>\n<p>Using more than 100 million CPU hours on Hawk, the simulation is unique in that it captures the onset of a canonical, fully-developed turbulent state in a single computational domain. The study also identified with unprecedented clarity an inflection point at which the outer region of the turbulent boundary layer begins to maintain a self-similar structure as it moves toward high Reynolds numbers. The results appear in a <a href=\"https:\/\/doi.org\/10.1017\/jfm.2025.10363\" target=\"_blank\">new paper<\/a> published in the Journal of Fluid Mechanics.<\/p>\n<p>\u201cOur team\u2019s goal is to understand unexplored parameter regimes in turbulent boundary layers,\u201d said Jason Appelbaum, a Ph.D. candidate in the Wenzel Lab and leader of this research. \u201cBy running a large-scale simulation that fully resolves the entire development of turbulence from an early to an evolved state, we have generated the first reliable, full-resolution dataset for investigating how high-Reynolds-number effects emerge.\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Scientists at the University of Stuttgart\u2019s Institute of Aerodynamics and Gas Dynamics (IAG) have produced a novel dataset that will improve the development of turbulence models. With the help of the Hawk supercomputer at the High-Performance Computing Center Stuttgart (HLRS), investigators in the laboratory of Dr. Christoph Wenzel conducted a large-scale direct numerical simulation of [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[44],"tags":[],"class_list":["post-218704","post","type-post","status-publish","format-standard","hentry","category-supercomputing"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/218704","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=218704"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/218704\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=218704"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=218704"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=218704"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}