The paper substantiates the necessity of the CFD analysis of AUUV. It presents an algorithm of hydrodynamic coefficients computation. The initial conditions and environment model for computation are defined. We present the CFD results and the approach of hydrodynamic coefficients analysis.

Keywords: AUUV hydrodynamics mathematical model polynom approximation software complex

Calculate the aerial and / or hydrodynamic effects from the continuous medium required for the synthesis of an adequate control system. Numerical simulation of movement managed position-control trajectory mini-ship at small angles of heel and the presence of sea waves on the basis of a fully-mathematical model and the proposed methodology for assessing the hydrodynamic impact.

Keywords: surface mini-boat, position-control trajectory, aerohydrodynamics, mathematical model, nonlinear dynamics, CFD modeling, external disturbances