Abstract
A method using the viscous-inviscid interaction technique has been developed for the calculation of ice accretion on three-dimensional wings of any cross section or planform geometry. This technique matches a panel method for external potential calculation with a boundary-layer correction to calculate the flowfield. The resulting velocity field is subsequently used to compute water droplet trajectories and their impact points on the wing to obtain the quantity of ice accumulated. The method yields ice shapes that are in good agreement with numerical and experimental results in rime ice conditions.