{"id":164988,"date":"2023-03-17T08:59:08","date_gmt":"2023-03-17T08:59:08","guid":{"rendered":"\/knowledge\/forums\/topic\/i-would-like-to-calculate-transient-mean-values-from-data-sampling-for-time-statistics-when-i-plot-mean-velocity-profile-the-velocity-at-the-wall-is-not-zero-why-is-this\/"},"modified":"2023-07-31T12:26:40","modified_gmt":"2023-07-31T12:26:40","slug":"i-would-like-to-calculate-transient-mean-values-from-data-sampling-for-time-statistics-when-i-plot-mean-velocity-profile-the-velocity-at-the-wall-is-not-zero-why-is-this","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/i-would-like-to-calculate-transient-mean-values-from-data-sampling-for-time-statistics-when-i-plot-mean-velocity-profile-the-velocity-at-the-wall-is-not-zero-why-is-this\/","title":{"rendered":"I would like to calculate transient mean values from Data Sampling for Time Statistics. When I plot Mean Velocity profile, the velocity at the wall is not zero. why is this?"},"content":{"rendered":"

Mean statistics are collected only in interior cells and not on wall surfaces. Therefore, when node or cell values of mean quantities are plotted on the wall surface, you are actually plotting values in nearby cells attached to the wall. Please refer to this section of the user’s guide : https:\/\/ansyshelp.ansys.com\/account\/secured?returnurl=\/Views\/Secured\/corp\/v221\/en\/flu_ug\/x1-108200013.18.2.html<\/p>\n","protected":false},"template":"","class_list":["post-164988","topic","type-topic","status-publish","hentry","topic-tag-2022-r1","topic-tag-fluent","topic-tag-fluid-dynamics","topic-tag-les-des-sas","topic-tag-post-processing","topic-tag-turbulence"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t