Talk:Windtunnel/Boundary Conditions/on Object: Difference between revisions

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m (→‎½-off zero: other fields frozen, not zero)
 
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== ½-off zero ==
== ½-off zero ==


While a velocity value on the object boundary of "almost zero" (by being proportional to the cell size) is tolerable for practical no-slip purposes, what about the other fields? Is it sane to have e.g. an "almost zero" pressure there? --[[User:Lothar.brendel|Lothar]] ([[User talk:Lothar.brendel|talk]]) 17:48, 23 May 2025 (CEST)
While a velocity value on the object boundary of always "almost zero" (by being proportional to the cell size) is tolerable for practical no-slip purposes, what about the other fields? Inside the object, they are frozen to their initial values, too, which is a terribly rough approximation. --[[User:Lothar.brendel|Lothar]] ([[User talk:Lothar.brendel|talk]]) 17:48, 23 May 2025 (CEST)

Latest revision as of 17:12, 23 May 2025

½-off zero

While a velocity value on the object boundary of always "almost zero" (by being proportional to the cell size) is tolerable for practical no-slip purposes, what about the other fields? Inside the object, they are frozen to their initial values, too, which is a terribly rough approximation. --Lothar (talk) 17:48, 23 May 2025 (CEST)