{"id":166564,"date":"2023-03-17T14:15:34","date_gmt":"2023-03-17T14:15:34","guid":{"rendered":"\/knowledge\/forums\/topic\/how-to-apply-a-time-dependent-convective-boundary-condition-on-the-surface-of-a-block-in-icepak\/"},"modified":"2023-03-17T14:15:34","modified_gmt":"2023-03-17T14:15:34","slug":"how-to-apply-a-time-dependent-convective-boundary-condition-on-the-surface-of-a-block-in-icepak","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-to-apply-a-time-dependent-convective-boundary-condition-on-the-surface-of-a-block-in-icepak\/","title":{"rendered":"How to apply a time dependent convective boundary condition on the surface of a block in Icepak?"},"content":{"rendered":"<p>1. In the Surface Specification, select Individual sides to specify thermal and physical surface properties for individual sides of the block  2. Select the Side of the block where you want to define individual properties by selecting one of the options under Which side.  3. Enable Thermal properties for the currently selected side of the block. 4. From the drop down box, select External conditions and this allows you to specify a Heat transfer coefficient and a Reference temperature for the volume of space on the immediate exterior of the currently selected side of the solid block. The value of the ambient temperature is defined under Ambient conditions in the Basic parameters panel.  If you are setting up a transient simulation, you can specify the heat transfer coefficient as a function of time. This option is available if you have selected Transient under Time variation in the Basic parameters panel. To edit the transient parameters for external conditions, select Transient and click Edit in the Individual side specification panel.<\/p>\n","protected":false},"template":"","class_list":["post-166564","topic","type-topic","status-publish","hentry","topic-tag-19-1","topic-tag-electromagnetics-electronics","topic-tag-general","topic-tag-icepak","topic-tag-thermal"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"1. In the Surface Specification, select Individual sides to specify thermal and physical surface properties for individual sides of the block 2. Select the Side of the block where you want to define individual properties by selecting one of the options under Which side. 3. 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