{"id":5570,"date":"2022-01-31T11:58:32","date_gmt":"2022-01-31T10:58:32","guid":{"rendered":"https:\/\/www.mi.uni-koeln.de\/NumSim\/?p=5570"},"modified":"2022-02-02T09:18:30","modified_gmt":"2022-02-02T08:18:30","slug":"snapshot-hypersonic-astrophysical-jet-mach2000-simulation-using-a-hybrid-dg-fv-solver","status":"publish","type":"post","link":"https:\/\/www.mi.uni-koeln.de\/NumSim\/2022\/01\/31\/snapshot-hypersonic-astrophysical-jet-mach2000-simulation-using-a-hybrid-dg-fv-solver\/","title":{"rendered":"Snapshot: Hypersonic astrophysical jet (Mach~2000) simulation using a hybrid DG\/FV solver"},"content":{"rendered":"<p>Simulation of a hypersonic astrophysical jet with Mach=2156.91 moving through a medium at rest.<\/p>\n<p>The simulation was performed on a 256 \u00d7 256 quadrilateral grid with a nodal fourth-order entropy-stable Discontinuous Galerkin (DG) scheme. Local bounds on the density and specific entropy are imposed by blending the DG scheme locally (at the node level) with a second-order Finite Volume (FV) method. Both the DG and the FV methods use the Harten-Lax-van Leer-Einfeldt (HLLE) Riemann solver.<\/p>\n<p>The simulation results were obtained with the open-source code FLUXO (https:\/\/github.com\/project-fluxo\/fluxo).<\/p>\n<p>The numerical methods used to perform the simulation are described in our preprint:<br \/>\nRueda-Ram\u00edrez, A. M., Pazner, W., Gassner, G.J. (2022). <em>Subcell Limiting Strategies for Discontinuous Galerkin Spectral Element Methods<\/em>. Submitted. <a href=\"https:\/\/arxiv.org\/abs\/2202.00576\">https:\/\/arxiv.org\/abs\/2202.00576<\/a>.<\/p>\n<p><iframe loading=\"lazy\" title=\"Hypersonic astrophysical jet (Mach~2000) simulation using a hybrid DG\/FV solver\" width=\"584\" height=\"329\" src=\"https:\/\/www.youtube.com\/embed\/s4AdclDe1vs?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 a hypersonic astrophysical jet with Mach=2156.91 moving through a medium at rest. The simulation was performed on a 256 \u00d7 256 quadrilateral grid with a nodal fourth-order entropy-stable Discontinuous Galerkin (DG) scheme. Local bounds on the density and &hellip; <a href=\"https:\/\/www.mi.uni-koeln.de\/NumSim\/2022\/01\/31\/snapshot-hypersonic-astrophysical-jet-mach2000-simulation-using-a-hybrid-dg-fv-solver\/\">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\/5570"}],"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=5570"}],"version-history":[{"count":5,"href":"https:\/\/www.mi.uni-koeln.de\/NumSim\/wp-json\/wp\/v2\/posts\/5570\/revisions"}],"predecessor-version":[{"id":5576,"href":"https:\/\/www.mi.uni-koeln.de\/NumSim\/wp-json\/wp\/v2\/posts\/5570\/revisions\/5576"}],"wp:attachment":[{"href":"https:\/\/www.mi.uni-koeln.de\/NumSim\/wp-json\/wp\/v2\/media?parent=5570"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.mi.uni-koeln.de\/NumSim\/wp-json\/wp\/v2\/categories?post=5570"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.mi.uni-koeln.de\/NumSim\/wp-json\/wp\/v2\/tags?post=5570"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}