Initializing fluid level on VOF model -- CFD Online Discussion Forums

October 30, 2008, 13:55	Initializing fluid level on VOF model	#1
Daniel Guest Posts: n/a	I'm trying to model the flow through a trough distributor, with both the top and bottom open to atmosphere. Liquid enters through a downspout. I know the theoretical average surface height, and I would like to use this as an ititial condition. If I try to break the fluid domain into 2 zones (1 for liquid, 1 for air with the interface at the expected surface level) the solver fails with Error: Floating point error: invalid number. This happens regardless of whether i'm using the VOF model or a single phase. Do you have any recommendations for initializing the domain, or a way around this error? Thanks.

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