{"id":157918,"date":"2021-04-28T11:54:04","date_gmt":"2021-04-28T11:54:04","guid":{"rendered":"\/forum\/forums\/topic\/can-someone-help-me-to-build-a-model-of-a-ping-pong-ball-please\/"},"modified":"2022-05-13T10:19:25","modified_gmt":"2022-05-13T10:19:25","slug":"can-someone-help-me-to-build-a-model-of-a-ping-pong-ball-please","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/can-someone-help-me-to-build-a-model-of-a-ping-pong-ball-please\/","title":{"rendered":"Can someone help me to build a model of a ping pong ball please?"},"content":{"rendered":"<div class=\"Item-Body\">\n<div class=\"Message userContent\">\n<p>I am interested in studying a ping pong ball&#039;s flight in the air and using Ansys 2020 R2 Fluent at the moment. How can I create the geometry model? A ping pong ball has the following characteristics:<\/p>\n<p>Inner Diametre is 39.60 mm, Outer Diamtre 40.20 mm and the shell thickness 0.30mm. The weight of a ball is 2.70 g.<\/p>\n<p>How do I add the air into the project? I read about treating air as an enclosure in earlier versions of Ansys CFD but I don&#039;t know how to add the air flow for my project in Ansys 2020 R2.<\/p>\n<p>I would appreciate if anyone can show me step by step how to achieve the above.<\/p>\n<p>Sincerely, <\/p>\n<p>Xiu (practice_ping_pong)<\/p>\n","protected":false},"template":"","class_list":["post-157918","topic","type-topic","status-closed","hentry","topic-tag-air","topic-tag-fluent","topic-tag-geometry","topic-tag-sphericalgeometry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_author_ip":[""],"_bbp_old_reply_author_name_id":["Anonymous"],"_bbp_old_is_reply_anonymous_id":["false"],"_btv_view_count":["375"],"_bbp_likes_count":["0"],"_bbpmt_movedon":["2022-08-26 07:23:57"],"_bbpmt_movedfrom":["27819"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["157918"],"_bbp_forum_id":["27792"],"_bbp_engagement":["13","199","190124","255941"],"_bbp_voice_count":["4"],"_bbp_reply_count":["3"],"_bbp_last_reply_id":["176724"],"_bbp_last_active_id":["176724"],"_bbp_last_active_time":["2022-05-13 10:19:25"]},"test":"practice_ping_pong"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/157918","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\/157918\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=157918"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}