{"id":361677,"date":"2017-08-18T09:50:34","date_gmt":"2017-08-18T13:50:34","guid":{"rendered":"https:\/\/ntrs.nasa.gov\/search.jsp?R=20170007767"},"modified":"2017-08-18T09:50:34","modified_gmt":"2017-08-18T13:50:34","slug":"cause-and-cure-deterioration-in-accuracy-of-cfd-simulations-with-use-of-high-aspect-ratio-triangular-tetrahedral-grids","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=361677","title":{"rendered":"Cause and Cure &#8211; Deterioration in Accuracy of CFD Simulations With Use of High-Aspect-Ratio Triangular Tetrahedral Grids"},"content":{"rendered":"<p>Abstract: Traditionally high-aspect ratio triangular\/tetrahedral meshes are avoided by CFD re-searchers in the vicinity of a solid wall, as it is known to reduce the accuracy of gradient computations in those regions and also cause numerical instability. Although for certain complex geometries, the use of high-aspect ratio triangular\/tetrahedral elements in the vicinity of a solid wall can be replaced by quadrilateral\/prismatic elements, ability to use triangular\/tetrahedral elements in such regions wi&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Abstract: Traditionally high-aspect ratio triangular\/tetrahedral meshes are avoided by CFD re-searchers in the vicinity of a solid wall, as it is known to reduce the accuracy of gradient computations in those regions and also cause numerical instabilit&#8230;<\/p>\n","protected":false},"author":60,"featured_media":615444,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-361677","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/361677","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/users\/60"}],"replies":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=361677"}],"version-history":[{"count":1,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/361677\/revisions"}],"predecessor-version":[{"id":361678,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/361677\/revisions\/361678"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/media\/615444"}],"wp:attachment":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=361677"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=361677"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=361677"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}