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Slip-flow modelling

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Hi,

I am thermal transpiration using the slip-flow module but I am having trouble with the flow continuity. Essentially, I have a series of reservoirs and thin capillaries connecting the reservoirs but the geometry is repeating so I am trying to reduce memory by using identity pairs and flow continuity to connect two boundaries of the reservoirs. Across the capillary the temperature gradually increases and across the reservoir it gradually decreases until it is at the same temperature as it was when it first entered the capillary. Basically, I can't seem to get the flow to pass from the RHS to the LHS. I have attached a photo and the .mph file. If anyone could help me out that would be great!

Thanks

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