{"id":383424,"date":"2024-09-23T02:36:17","date_gmt":"2024-09-23T02:36:17","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/2d-rans-modeling-dpm-particle-tracking-stochastic-tracking\/"},"modified":"2024-09-23T02:36:17","modified_gmt":"2024-09-23T02:36:17","slug":"2d-rans-modeling-dpm-particle-tracking-stochastic-tracking","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/2d-rans-modeling-dpm-particle-tracking-stochastic-tracking\/","title":{"rendered":"2D RANS modeling &#8211; DPM particle tracking &#8211; Stochastic Tracking"},"content":{"rendered":"<p>&lt;p&gt;the particle velocity is mean velocity + fluctuation velocity;&lt;\/p&gt;&lt;p&gt;fluctuation velocity is predicted by random walk model. so the randomness has been included.<strong> why is the number of tries used to include the random effect of turbulence?<\/strong>&lt;\/p&gt;&lt;p&gt;<strong>could I just use the number of tries = 1 to predict the particle trajetory, since I need to find some patterns of particle movement in my system.<\/strong>&lt;\/p&gt;&lt;p&gt;<strong>is there any better way to do this?<\/strong>&lt;\/p&gt;&lt;p&gt;<strong>my case setting:<\/strong>&lt;\/p&gt;&lt;p&gt;<strong>2D kw-sst model, with combustion.<\/strong>&lt;\/p&gt;&lt;p&gt;<strong>coal particle;<\/strong>&lt;\/p&gt;&lt;p&gt;<strong>particle surface injection,&nbsp;<\/strong>&lt;\/p&gt;&lt;p&gt;<strong>Random walk model;<\/strong>&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/09\/23-09-2024-1727057921-mceclip0.png\" \/>&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/09\/23-09-2024-1727058529-mceclip2.png\" \/>&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-383424","topic","type-topic","status-publish","hentry","topic-tag-2d-axisymmetric","topic-tag-coal-particle-combustion-1","topic-tag-dispersed-particles","topic-tag-dpm","topic-tag-k-w-sst-1","topic-tag-particle-tracking","topic-tag-stochastictracking-1"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["27819","199"],"_bbp_author_ip":["73.214.155.182"],"_btv_view_count":["352"],"_bbp_topic_status":["unanswered"],"_bbp_topic_id":["383424"],"_bbp_forum_id":["27792"],"_bbp_engagement":["199","27819"],"_bbp_voice_count":["2"],"_bbp_reply_count":["1"],"_bbp_last_reply_id":["383592"],"_bbp_last_active_id":["383592"],"_bbp_last_active_time":["2024-09-23 09:27:28"]},"test":"ll00023mix-wvu-edu"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/383424","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/383424\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=383424"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}