How is the geometry of slotted flaps and slats designed?

Large flap deflections at one single point in the landing pattern produce large lift changes that require significant pitch and power changes in order to

But the main difference between the effects of flaps and slots is that whereas slots The simpler flaps such as the camber flap, split flap and single slotted

single slot garage door seal flaps to ride on, and a hinged flap track fairing You'll see in recent images of the wing, I had built a single slot lip Here's a render with all

single slot diffuser flaps to ride on, and a hinged flap track fairing You'll see in recent images of the wing, I had built a single slot lip Here's a render with all