{"id":5186,"date":"2020-11-27T16:22:03","date_gmt":"2020-11-27T15:22:03","guid":{"rendered":"https:\/\/www.mi.uni-koeln.de\/NumSim\/?p=5186"},"modified":"2020-11-30T09:24:04","modified_gmt":"2020-11-30T08:24:04","slug":"hybrid-discontinuous-galerkin-finite-volume-dg-fv-simulation-of-the-orszag-tang-vortex","status":"publish","type":"post","link":"https:\/\/www.mi.uni-koeln.de\/NumSim\/2020\/11\/27\/hybrid-discontinuous-galerkin-finite-volume-dg-fv-simulation-of-the-orszag-tang-vortex\/","title":{"rendered":"Snapshot: Hybrid Discontinuous Galerkin \/ Finite Volume (DG\/FV) simulation of the Orszag-Tang vortex"},"content":{"rendered":"<p>Simulation of the Orszag-Tang vortex test with a hybrid entropy-stable DG\/FV method and Adaptive Mesh Refinement (AMR) using FLUXO (<a href=\"https:\/\/github.com\/project-fluxo\/fluxo\">https:\/\/github.com\/project-fluxo\/fluxo<\/a>).<\/p>\n<p>The simulation uses the GLM-MHD model to control div(B) errors and computes the spatial operator as a blend of a first-order subcell FV method and a fourth-order DG scheme.<\/p>\n<p>The initial grid has 16&#215;16 elements (64\u00b2 DOFs), and the maximum resolution is achieved with three refinement levels (equivalent to 512\u00b2 DOFs).<\/p>\n<p><iframe loading=\"lazy\" title=\"Hybrid Discontinuous Galerkin  \/ Finite Volume (DG\/FV) simulation of the Orszag-Tang vortex\" width=\"584\" height=\"438\" src=\"https:\/\/www.youtube.com\/embed\/Tr-3h40T8PU?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Simulation of the Orszag-Tang vortex test with a hybrid entropy-stable DG\/FV method and Adaptive Mesh Refinement (AMR) using FLUXO (https:\/\/github.com\/project-fluxo\/fluxo). The simulation uses the GLM-MHD model to control div(B) errors and computes the spatial operator as a blend of a &hellip; <a href=\"https:\/\/www.mi.uni-koeln.de\/NumSim\/2020\/11\/27\/hybrid-discontinuous-galerkin-finite-volume-dg-fv-simulation-of-the-orszag-tang-vortex\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":13,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[49],"tags":[],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/www.mi.uni-koeln.de\/NumSim\/wp-json\/wp\/v2\/posts\/5186"}],"collection":[{"href":"https:\/\/www.mi.uni-koeln.de\/NumSim\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.mi.uni-koeln.de\/NumSim\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.mi.uni-koeln.de\/NumSim\/wp-json\/wp\/v2\/users\/13"}],"replies":[{"embeddable":true,"href":"https:\/\/www.mi.uni-koeln.de\/NumSim\/wp-json\/wp\/v2\/comments?post=5186"}],"version-history":[{"count":5,"href":"https:\/\/www.mi.uni-koeln.de\/NumSim\/wp-json\/wp\/v2\/posts\/5186\/revisions"}],"predecessor-version":[{"id":5192,"href":"https:\/\/www.mi.uni-koeln.de\/NumSim\/wp-json\/wp\/v2\/posts\/5186\/revisions\/5192"}],"wp:attachment":[{"href":"https:\/\/www.mi.uni-koeln.de\/NumSim\/wp-json\/wp\/v2\/media?parent=5186"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.mi.uni-koeln.de\/NumSim\/wp-json\/wp\/v2\/categories?post=5186"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.mi.uni-koeln.de\/NumSim\/wp-json\/wp\/v2\/tags?post=5186"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}