This article studies bionics,with a focus on analyzing the kinematics and dynamics of dolphin tail swinging.The wave amplitude curve of the fish body is presented,and the motion curve of the dolphin is analyzed.At the same time,the transient velocity change curve of the dolphin is studied;Studied the design methods of ship profiles,with a focus on ana-lyzing three design methods:fusion technology,superimposed disturbance surface technology,and cross-sectional move-ment technology,and explored the ship profile design method based on NURBS curves;Finally,simulation design was carried out for the optimization of ship shape,and the simulation results before and after ship shape optimization were provided.This study contributes to the rapid development of ship exterior design technology in China.
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