{"id":171303,"date":"2023-06-05T07:06:05","date_gmt":"2023-06-05T07:06:05","guid":{"rendered":"\/knowledge\/forums\/topic\/while-using-marangoni-convection-does-user-need-to-specify-additional-term-in-tangential-direction\/"},"modified":"2023-07-31T12:30:18","modified_gmt":"2023-07-31T12:30:18","slug":"while-using-marangoni-convection-does-user-need-to-specify-additional-term-in-tangential-direction","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/while-using-marangoni-convection-does-user-need-to-specify-additional-term-in-tangential-direction\/","title":{"rendered":"While using Marangoni convection, does user need to specify additional term in tangential direction?"},"content":{"rendered":"<p>Both formulations i.e. CSF and CSS, do model the Marangini stress without user defined additional terms. User does not need to specify any additional term.   In CSF  model,  there is explicit calculation for tangential stresses based on surface tension gradient.   In CSS model,  variable surface treatment is inbuilt.<\/p>\n","protected":false},"template":"","class_list":["post-171303","topic","type-topic","status-publish","hentry","topic-tag-18-1","topic-tag-fluent","topic-tag-fluid-dynamics","topic-tag-general","topic-tag-modeling-setup-advice","topic-tag-turbulence"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Both formulations i.e. CSF and CSS, do model the Marangini stress without user defined additional terms. User does not need to specify any additional term. In CSF model, there is explicit calculation for tangential stresses based on surface tension gradient. 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