The impact of a wedge-shaped body on the free surface of a weightless inviscid
incompressible liquid is considered. Both symmetrical and unsymmetrical entries at
constant velocity are dealt with. The differential problem corresponds to the physicomathematical model of a distribution of potential singularities and, in particular,
the flow singularities at the ends of the wetted regions are represented by sinks. A
conformal transformation of the flow field is adopted and the unknown intensities
of the discontinuities are found by an optimization procedure, together with the
solution of the nonlinear free-surface problem. The flow separation at a sideslip is
also considered.