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-   -   Normal vector of the free surface (https://www.cfd-online.com/Forums/flow-3d/186123-normal-vector-free-surface.html)

kknv001 April 11, 2017 06:40

Normal vector of the free surface
 
Hello guys, I am now trying to establish a fluid model of the molten pool in laser welding. Therefore, I need to add recoiling force on the free surface. VOF method is used to track the free surface in Flow 3D, but I checked all the manual, there is no variable to get the normal vector of the free surface.
Does anyone know how to get the normal vector of the free surface in Flow 3D?
Thx in advance.

anoop.k.unni February 11, 2021 07:56

Quote:

Originally Posted by kknv001 (Post 644488)
Hello guys, I am now trying to establish a fluid model of the molten pool in laser welding. Therefore, I need to add recoiling force on the free surface. VOF method is used to track the free surface in Flow 3D, but I checked all the manual, there is no variable to get the normal vector of the free surface.
Does anyone know how to get the normal vector of the free surface in Flow 3D?
Thx in advance.

Could you solve the problem?


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