{"id":6599,"date":"2025-09-08T10:28:00","date_gmt":"2025-09-08T08:28:00","guid":{"rendered":"https:\/\/www.mi.uni-koeln.de\/NumSim\/?p=6599"},"modified":"2025-09-08T10:38:39","modified_gmt":"2025-09-08T08:38:39","slug":"snapshot-subcell-idp-fct-limiting-simulation-of-the-mach-2000-astrophysical-jet","status":"publish","type":"post","link":"https:\/\/www.mi.uni-koeln.de\/NumSim\/2025\/09\/08\/snapshot-subcell-idp-fct-limiting-simulation-of-the-mach-2000-astrophysical-jet\/","title":{"rendered":"Snapshot: Subcell IDP\/FCT Limiting Simulation of the Mach 2000 Astrophysical Jet"},"content":{"rendered":"<p>The videos show a result of simulations with DGSEM and a polynomial degree of 3. At the end of the simulation, the solution has about 150000 degrees of freedom. Subcell IDP\/FCT-type Limiting provides for stability. Moreover, the simulation uses adaptive mesh refinement, combined with a new IDP mortar type that ensures positivity of density and pressure.<br \/>\nOn the left side, local (shock-capturing) limiters are used in the volume integral, while on the right side only limiters that ensure physics admissibility (positivity of density and pressure) are enabled.<br \/>\n<div style=\"width: 584px;\" class=\"wp-video\"><!--[if lt IE 9]><script>document.createElement('video');<\/script><![endif]-->\n<video class=\"wp-video-shortcode\" id=\"video-6599-1\" width=\"584\" height=\"296\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"https:\/\/www.mi.uni-koeln.de\/NumSim\/wp-content\/uploads\/2025\/09\/video.mp4?_=1\" \/><a href=\"https:\/\/www.mi.uni-koeln.de\/NumSim\/wp-content\/uploads\/2025\/09\/video.mp4\">https:\/\/www.mi.uni-koeln.de\/NumSim\/wp-content\/uploads\/2025\/09\/video.mp4<\/a><\/video><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The videos show a result of simulations with DGSEM and a polynomial degree of 3. At the end of the simulation, the solution has about 150000 degrees of freedom. Subcell IDP\/FCT-type Limiting provides for stability. Moreover, the simulation uses adaptive &hellip; <a href=\"https:\/\/www.mi.uni-koeln.de\/NumSim\/2025\/09\/08\/snapshot-subcell-idp-fct-limiting-simulation-of-the-mach-2000-astrophysical-jet\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":14,"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\/6599"}],"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\/14"}],"replies":[{"embeddable":true,"href":"https:\/\/www.mi.uni-koeln.de\/NumSim\/wp-json\/wp\/v2\/comments?post=6599"}],"version-history":[{"count":3,"href":"https:\/\/www.mi.uni-koeln.de\/NumSim\/wp-json\/wp\/v2\/posts\/6599\/revisions"}],"predecessor-version":[{"id":6604,"href":"https:\/\/www.mi.uni-koeln.de\/NumSim\/wp-json\/wp\/v2\/posts\/6599\/revisions\/6604"}],"wp:attachment":[{"href":"https:\/\/www.mi.uni-koeln.de\/NumSim\/wp-json\/wp\/v2\/media?parent=6599"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.mi.uni-koeln.de\/NumSim\/wp-json\/wp\/v2\/categories?post=6599"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.mi.uni-koeln.de\/NumSim\/wp-json\/wp\/v2\/tags?post=6599"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}