A three-dimensional source-vorticity method for simulating incompressible potential flows around a deforming body without the Kutta condition

•A 3D source-vorticity method that does not use the Kutta condition is proposed.•The three components of the surface vorticity vectors are used as the unknowns.•The velocity potential is obtained by solving a set of simultaneous equations.•The added masses are calculated by giving acceleration to th...

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