I would think the closest match to natural swarming would be the Demaree Method. 

Simply, you put the queen in the first box with empty comb, put an excluder over that. Shake all the bees off of the brood. Put a super or two over the excluder and another over them. Pile the brood without bees on the top. Make sure the top box has an entrance, like an auger hole or something. 

What you get is most of the bees downstairs, but enough bees go up to the brood to care for it. These bees will raise a queen, or you can introduce one to them. ALternatively, you can recombine them after the swarming season is past, or if they fail to requeen themselves.

I doubt such a hive will swarm after this treatment. They may fill up the brood nest with honey, though, before the queen lays it up with eggs, so recheck in a week.

PLB

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