{"id":272,"date":"2019-12-22T05:07:08","date_gmt":"2019-12-22T05:07:08","guid":{"rendered":"https:\/\/blogarchive.utc.edu\/reetesh-ranjan\/?page_id=272"},"modified":"2019-12-22T05:25:54","modified_gmt":"2019-12-22T05:25:54","slug":"turbulence_modeling","status":"publish","type":"page","link":"https:\/\/blogarchive.utc.edu\/reetesh-ranjan\/turbulence_modeling\/","title":{"rendered":"Transitional and Wall-Bounded Turbulent Flows"},"content":{"rendered":"<h3>Summary<\/h3>\n<figure id=\"attachment_277\" aria-describedby=\"caption-attachment-277\" style=\"width: 200px\" class=\"wp-caption alignright\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-277\" src=\"https:\/\/blogarchive.utc.edu\/reetesh-ranjan\/files\/2019\/12\/turbulence_modeling-1.png\" alt=\"\" width=\"200\" height=\"535\" srcset=\"https:\/\/blogarchive.utc.edu\/reetesh-ranjan\/files\/2019\/12\/turbulence_modeling-1.png 449w, https:\/\/blogarchive.utc.edu\/reetesh-ranjan\/files\/2019\/12\/turbulence_modeling-1-112x300.png 112w, https:\/\/blogarchive.utc.edu\/reetesh-ranjan\/files\/2019\/12\/turbulence_modeling-1-383x1024.png 383w, https:\/\/blogarchive.utc.edu\/reetesh-ranjan\/files\/2019\/12\/turbulence_modeling-1-75x200.png 75w, https:\/\/blogarchive.utc.edu\/reetesh-ranjan\/files\/2019\/12\/turbulence_modeling-1-150x400.png 150w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><figcaption id=\"caption-attachment-277\" class=\"wp-caption-text\">Large-scale (LS) and small-scale (SS) grid layout in TLS (top), LS and SS spectra using different LS grid resolution (middle), and transition within Taylor-Green vortex flow (bottom)<\/figcaption><\/figure>\n<p>This research effort focuses on development and application of physics-based modeling approaches for large-eddy simulation (LES) of transitional and wall-bounded turbulent flows with massive separation. Additionally, part of the focus is on understanding fundamental aspects of such flows by means of direct numerical simulations.<\/p>\n<h3>Support<\/h3>\n<p>Currently, development and application work occurs through a collaborative research effort between <a href=\"https:\/\/blogarchive.utc.edu\/reetesh-ranjan\/\">FCM@UTC<\/a> and <a href=\"http:\/\/www.ccl.gatech.edu\">CCL@GT<\/a>.<\/p>\n<h3>Test Cases<\/h3>\n<ul>\n<li>Taylor Green Vortex<\/li>\n<li>Transitional Boundary Layer<\/li>\n<li>Turbulent Channel<\/li>\n<li>Periodic Hill<\/li>\n<\/ul>\n<h3>Computational Approaches<\/h3>\n<p>The <strong>Two Level Simulation<\/strong> (<strong>TLS<\/strong>) model is being assessed for LES of such flows. <strong>TLS <\/strong>is a multi-scale approach where both large-scale and small-scales of motion are explicitly computed by employing modeling assumptions. To examine fundamental aspects of such flows direct numerical simulations will be performed. All these approaches are available within the <strong>MINCLES <\/strong>flow solver, thus allowing for a consistent comparison of different modeling approaches.<\/p>\n<h3>Publications<\/h3>\n<ol>\n<li>R. Ranjan, M. Venkataswamy, and S. Menon, &#8220;Modeling of Transition to Turbulence in Large Eddy Simulation using the Two Level Simulation Approach&#8221;, <em>Under Review<\/em>, 2020.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>Summary This research effort focuses on development and application of physics-based modeling approaches for large-eddy simulation (LES) of transitional and wall-bounded turbulent flows with massive separation. Additionally, part of the focus is on understanding fundamental aspects of such flows by means of direct numerical simulations. Support Currently, development and application work occurs through a collaborative&hellip; <\/p>\n<p class=\"more-link-wrap\"><span><a class=\"more-link button text\" href=\"https:\/\/blogarchive.utc.edu\/reetesh-ranjan\/turbulence_modeling\/\"><span>Continue Reading <\/span><\/a><\/span><\/p>\n","protected":false},"author":1459,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"class_list":{"0":"post-272","1":"page","2":"type-page","3":"status-publish","5":"entry","6":"has-post-thumbnail"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Transitional and Wall-Bounded Turbulent Flows - Reetesh Ranjan Archive<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Transitional and Wall-Bounded Turbulent Flows - Reetesh Ranjan Archive\" \/>\n<meta property=\"og:description\" content=\"Summary This research effort focuses on development and application of physics-based modeling approaches for large-eddy simulation (LES) of transitional and wall-bounded turbulent flows with massive separation. 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