Snapshots of the vortex pair location with respect to the strip (left column), the non-dimensional strip shape δ(x,t) (middle column), and the non-dimensional pressure difference across the strip [|p|](x,t) (right column). Time is increasing moving down the rows. Reproduced from Peterson and Porfiri⁶⁶  (details on the non-dimensionalization process can be found therein).