{"id":186974,"date":"2021-07-29T10:44:34","date_gmt":"2021-07-29T10:44:34","guid":{"rendered":"\/forum\/forums\/reply\/186974\/"},"modified":"2021-07-29T10:44:34","modified_gmt":"2021-07-29T10:44:34","slug":"186974","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/186974\/","title":{"rendered":"Reply To: How to accelerate a simulation of a solid and fluid interaction by a factor of 10000"},"content":{"rendered":"<p>If you accelerate things you may find you need a smaller timestep to resolve the system. Read up on Courant Number to understand why.  You may also need to alter other properties to balance effects, some of those techniques are explained in wind tunnel and water flume best practices. <\/p>\n","protected":false},"template":"","class_list":["post-186974","reply","type-reply","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"If you accelerate things you may find you need a smaller timestep to resolve the system. Read up on Courant Number to understand why. 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