{"id":306828,"date":"2023-09-14T12:39:13","date_gmt":"2023-09-14T12:39:13","guid":{"rendered":"\/forum\/forums\/topic\/icfd-water-suface-not-initially-flat\/"},"modified":"2023-09-14T12:39:13","modified_gmt":"2023-09-14T12:39:13","slug":"icfd-water-suface-not-initially-flat","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/icfd-water-suface-not-initially-flat\/","title":{"rendered":"ICFD water suface not initially flat"},"content":{"rendered":"<p>Hello, I am making a wave flume using ICFD and it works well except for one issue, which is the initial water surface is not uniform (flat). I thought this may be a meshing issue so I made a model with an ultra fine mesh but it did not resolve it. The mesh is uniform throughtout (each element is the exact same size) and all nodes are merged. It also consists of an upper air portion not pictured. The model makes waves as expected however the initial noise in the water disrupts it. Does anyone know why this is occuring? Thank you.<\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/09\/14-09-2023-1694695019-mceclip0.png\"><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/09\/14-09-2023-1694695045-mceclip1.png\"><\/p>\n","protected":false},"template":"","class_list":["post-306828","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Hello, I am making a wave flume using ICFD and it works well except for one issue, which is the initial water surface is not uniform (flat). I thought this may be a meshing issue so I made a model with an ultra fine mesh but it did not resolve it. 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