The problem of computing the inviscid-fluid flow about a ship hull is investigated. A boundary- value problem, including a linearized free-surface boundary condition, is posed for the velocity potential. Singularities distributed over the hull surface are used to determine this potential. Surface streamlines are computed by numerically integrating a set of differential equations along the hull surface. A sample calculation for a Series 60, block coefficient 0.60 hull at a Froude number of 0.259 is included.

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