Motion in two-dimensions, Stream function, Complex potential. Sources, Sinks, Doublets, Images in two dimensions- image of a source with regard to a plane, image of a source with regard to a circle.
Links:
[1] https://maths.iisuniv.ac.in/courses/subjects/hydrodynamics-5
[2] https://maths.iisuniv.ac.in/academic-year/2014-2015