{"id":397685,"date":"2024-12-17T04:08:55","date_gmt":"2024-12-17T04:08:55","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/397685\/"},"modified":"2024-12-17T04:08:55","modified_gmt":"2024-12-17T04:08:55","slug":"397685","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/397685\/","title":{"rendered":"Reply To: Coarse graining in Rocky"},"content":{"rendered":"<p>&lt;p&gt;Thank you for you answer.&nbsp;&lt;\/p&gt;&lt;p&gt;1- My question is in coarse graining , ideally, the original size of the particle should be smaller or the size of the particle mutiplied by coarse graining factor should be smaller than CFD cell ?&lt;\/p&gt;&lt;p&gt;2- in Rocky particle tab, after adding particles, its pososity can be defined too( the proportion of empty space in a material) .&lt;\/p&gt;&lt;p&gt;in density simulation, particles are agglomorating at some parts or moving in a way which does not match the experiments and does not make sense and in porosity simulation, particles are disappearing from the system. But there is no converngence issue.&nbsp;&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-397685","reply","type-reply","status-publish","hentry"],"aioseo_notices":[],"acf":[],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/397685","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/reply"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/397685\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=397685"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}