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The paper presents a ne w method for predicting the hydrodynamic performance of the flap rudder behind a propeller. The hydrodynamics of the rudder was calculated by the panel method a nd the performance of the propeller was predicted by the simplified propeller th eoty. The interaction between the rudder and propeller was determined by iterati ve procedure. The pressure distribution on rudder surface and the hydrodynamic p erformance of the flap rudder are discussed in the paper.
The paper presents a ne w method for predicting the hydrodynamic performance of the flap rudder behind a propeller. The hydrodynamics of the rudder was calculated by the panel method a nd the performance of the propeller was predicted by the simplified propeller th eoty. The interaction between the rudder and propeller was determined by iterati ve procedure. The pressure distribution on rudder surface and the hydrodynamic performance of the flap rudder are discussed in the paper.