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Transient thin film liquid profile development but can't seem to get the sim off the ground
Posted 14 mai 2023, 04:59 UTC−4 Fluid & Heat, Computational Fluid Dynamics (CFD), Modeling Workflow 1 Reply
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Hi all. Newbie at COMSOL and would like to get some help.
I'd like to model a thin strip of liquid that is initially held at a uniform thickness up to a certain height against a vertical wall. I'd like to see how that water will fall. However the initial condition keeps failing and COMSOL cannot proceed further.
Could anyone help take a look? Or provide some pointers as to how to construct such a model? I've been trying to adapt the laminar wave level set model to this but it's either the geometry or something I missed while copy pasting, I couldn't get mine to work properly.
Any help would be much appreciated.
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Hello clcl4636
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Hello,
I've got exactly the same problem, and I also fail in running it without diverging at the end... I also have added inlet at top and outlet at bottom..
Thank you to solving this.
Yves