The third reference from the article provides some pointers (see also references there). https://arxiv.org/pdf/1803.10400 https://arxiv.org/pdf/1803.10400 But

The third reference from the article provides some pointers (see also references there). https://arxiv.org/pdf/1803.10400 https://arxiv.org/pdf/1803.10400 But its not trivial at all, its a complex fluid dynamics problem. I stumbled upon all the "coupled candle oscillators" literature when I was looking for a shortcut to a semi-physical candle model. But there is no easy way out...