{"id":5854,"date":"2022-12-10T00:54:05","date_gmt":"2022-12-09T23:54:05","guid":{"rendered":"https:\/\/www.mi.uni-koeln.de\/NumSim\/?p=5854"},"modified":"2022-12-10T00:54:05","modified_gmt":"2022-12-09T23:54:05","slug":"snapshot-dam-break-against-a-flexible-structure-with-smoothed-particle-hydrodynamics","status":"publish","type":"post","link":"https:\/\/www.mi.uni-koeln.de\/NumSim\/2022\/12\/10\/snapshot-dam-break-against-a-flexible-structure-with-smoothed-particle-hydrodynamics\/","title":{"rendered":"Snapshot: Dam break against a flexible structure with Smoothed Particle Hydrodynamics"},"content":{"rendered":"<p>To simulate elastic structures, we use a total Lagrangian SPH formulation [1].<br \/>\nWe simulate a dam break against a flexible structure based on the setup given by [1].<br \/>\nFor the fluid dynamics, a weakly-compressible Lagrangian SPH formulation with an artificial viscosity by Monaghan [2] and boundary force particles to model the tank [3] was used.<br \/>\nThis animation shows the simulation in 0.1x real time with 8.7k fluid particles and 455 particles to model the flexible structure.<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-5855\" src=\"https:\/\/www.mi.uni-koeln.de\/NumSim\/wp-content\/uploads\/2022\/12\/fsi_0.1x.gif\" alt=\"\" width=\"1100\" height=\"646\" \/><\/p>\n<p>References:<br \/>\n[1] O\u2019Connor, J., Rogers, B. D. (2021). \u201cA fluid\u2013structure interaction model for free-surface flows and flexible structures using smoothed particle hydrodynamics on a GPU.\u201d In: <em>Journal of Fluids and Structures<\/em>, 104. <a href=\"https:\/\/doi.org\/10.1016\/J.JFLUIDSTRUCTS.2021.103312\">https:\/\/doi.org\/10.1016\/J.JFLUIDSTRUCTS.2021.103312<\/a><br \/>\n[2] Monaghan, J. J. (1989). \u201cOn the Problem of Penetration in Particle Methods\u201d. In: <em>Journal of Computational Physics<\/em>, 82(1), 1\u201315. <a href=\"https:\/\/doi.org\/10.1016\/0021-9991(89)90032-6\">https:\/\/doi.org\/10.1016\/0021-9991(89)90032-6<\/a><br \/>\n[3] Monaghan, J. J., &amp; Kajtar, J. B. (2009). \u201cSPH particle boundary forces for arbitrary boundaries\u201d. In: <em>Computer Physics Communications<\/em>, 180(10), 1811\u20131820. <a href=\"https:\/\/doi.org\/10.1016\/j.cpc.2009.05.008\">https:\/\/doi.org\/10.1016\/j.cpc.2009.05.008<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>To simulate elastic structures, we use a total Lagrangian SPH formulation [1]. We simulate a dam break against a flexible structure based on the setup given by [1]. For the fluid dynamics, a weakly-compressible Lagrangian SPH formulation with an artificial &hellip; <a href=\"https:\/\/www.mi.uni-koeln.de\/NumSim\/2022\/12\/10\/snapshot-dam-break-against-a-flexible-structure-with-smoothed-particle-hydrodynamics\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":7,"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\/5854"}],"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\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.mi.uni-koeln.de\/NumSim\/wp-json\/wp\/v2\/comments?post=5854"}],"version-history":[{"count":1,"href":"https:\/\/www.mi.uni-koeln.de\/NumSim\/wp-json\/wp\/v2\/posts\/5854\/revisions"}],"predecessor-version":[{"id":5856,"href":"https:\/\/www.mi.uni-koeln.de\/NumSim\/wp-json\/wp\/v2\/posts\/5854\/revisions\/5856"}],"wp:attachment":[{"href":"https:\/\/www.mi.uni-koeln.de\/NumSim\/wp-json\/wp\/v2\/media?parent=5854"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.mi.uni-koeln.de\/NumSim\/wp-json\/wp\/v2\/categories?post=5854"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.mi.uni-koeln.de\/NumSim\/wp-json\/wp\/v2\/tags?post=5854"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}