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Merchant Ship Design

Achievement

Recent achievements of ship hull design and projects.

Unsteady CFD simulation of a single scull with SRD

Since a rowing boat shows unsteady motions in heave, pitch and serge in a stroke, the analysis only in steady conditions is not sufficient to clarify the boat performance. We have developed the analysis method by unsteady CFD simulation to analyze the mechanizm of performance improvement by the SRD(Shimano Rowing Dynamics) developed by SHIMANO Company. The SRD changes the boat motions which could be the cause of the performance improvement, and then we set the CFD simulations as unsteady motions along with heave, pitch and serge data acquired by rowing tests. It is shown from the results that the single scull with SRD has smaller average resistance and work in a stroke compared to the original.

SHIMANO

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Merchant Ship Design Achievement