{"id":499,"date":"2015-06-25T12:45:03","date_gmt":"2015-06-25T12:45:03","guid":{"rendered":"https:\/\/shiplab.hials.org\/?page_id=499"},"modified":"2015-06-25T13:03:16","modified_gmt":"2015-06-25T13:03:16","slug":"smoothed-particle-hydrodynamicssph-simulation-of-sloshing-tank","status":"publish","type":"page","link":"https:\/\/shiplab.hials.org\/?page_id=499","title":{"rendered":"Smoothed Particle Hydrodynamics(SPH) Simulation of Sloshing Tank"},"content":{"rendered":"<p id=\"title\" style=\"text-align: right;\" align=\"center\">\u00a0<em>by \u00a0Xu, Jiafeng \u2013 PhD candidate\u00a0in H\u00f8gskolen i \u00c5lesund\u00a0<\/em><br \/>\n<em>(jixu@hials.no), Jun 2015.<\/em><\/p>\n<div id=\"content\">\n<p><strong>Introduction<\/strong>: Smoothed Particle Hydrodynamics (SPH) is a mesh-free computational method first developed by Gingold and Monaghan (1977) and Lucy (1977) initially for astrophysical problems. It is a Lagrangian method with the advantage of grasping the discontinuity details of free-surface and faster computing speed. Here is a case of sloshing tank simulation using SPH.<\/p>\n<p>Sloshing tank size: H=15cm, L=100cm, B=25cm<br \/>\nParticle number: 132514<br \/>\nMotion: f=0.5hz, \u2220=3deg<br \/>\nSimulation time: 20sec<br \/>\nCalculation time: 3hr<\/p>\n<div id=\"video1\"><iframe loading=\"lazy\" style=\"display: block; margin-left: auto; margin-right: auto;\" src=\"http:\/\/www.youtube.com\/embed\/wYpPez7UhJA\" width=\"640\" height=\"360\"><br \/>\n<\/iframe><\/div>\n<div><\/div>\n<p>By integrating the pressure distribution on the boundary surface, the total torque acting on the sloshing tank can be calculated easily.<\/p>\n<p><a href=\"https:\/\/shiplab.hials.org\/wp-content\/uploads\/2015\/06\/spray.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-504\" src=\"https:\/\/shiplab.hials.org\/wp-content\/uploads\/2015\/06\/spray-1024x629.png\" alt=\"spray\" width=\"900\" height=\"553\" srcset=\"https:\/\/shiplab.hials.org\/wp-content\/uploads\/2015\/06\/spray-1024x629.png 1024w, https:\/\/shiplab.hials.org\/wp-content\/uploads\/2015\/06\/spray-300x184.png 300w, https:\/\/shiplab.hials.org\/wp-content\/uploads\/2015\/06\/spray-244x150.png 244w, https:\/\/shiplab.hials.org\/wp-content\/uploads\/2015\/06\/spray-150x92.png 150w, https:\/\/shiplab.hials.org\/wp-content\/uploads\/2015\/06\/spray.png 1315w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/a><\/p>\n<p>The fluctuating value close to the peak suggests that there are sprays appearing when the wave front hints the boundary on both sides of the tank.<\/p>\n<p>SPH method is an alternative to CFD calculation for specialized cases where large deformation of free-surface exists and real-time feature is in demand.<\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00a0by \u00a0Xu, Jiafeng \u2013 PhD candidate\u00a0in H\u00f8gskolen i \u00c5lesund\u00a0 (jixu@hials.no), Jun 2015. Introduction: Smoothed Particle Hydrodynamics (SPH) is a mesh-free computational method first developed by Gingold and Monaghan (1977) and Lucy (1977) initially for astrophysical problems. It is a Lagrangian method with the advantage of grasping the discontinuity details of\u2026<\/p>\n<p> <a class=\"continue-reading-link\" href=\"https:\/\/shiplab.hials.org\/?page_id=499\"><span>Continue reading<\/span><i class=\"crycon-right-dir\"><\/i><\/a> <\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"class_list":["post-499","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/shiplab.hials.org\/index.php?rest_route=\/wp\/v2\/pages\/499","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/shiplab.hials.org\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/shiplab.hials.org\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/shiplab.hials.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/shiplab.hials.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=499"}],"version-history":[{"count":6,"href":"https:\/\/shiplab.hials.org\/index.php?rest_route=\/wp\/v2\/pages\/499\/revisions"}],"predecessor-version":[{"id":508,"href":"https:\/\/shiplab.hials.org\/index.php?rest_route=\/wp\/v2\/pages\/499\/revisions\/508"}],"wp:attachment":[{"href":"https:\/\/shiplab.hials.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=499"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}