Hull crevasse manufacturing method for ship emergency leakage stoppage test verification

The invention relates to a hull crevasse manufacturing method for ship emergency leakage stoppage test verification. The hull crevasse manufacturing method is characterized in that different types of crevasses are close to real crevasse shapes; designing an accurate and rapid segmentation method for the large-size crevasse welding subunits; a welding subunit molded line forming method is designed; a machining method of unit segmentation, numbering and positioning, projection straightening and sequential welding is adopted, and simulated crevasse is achieved. The method has the advantages that the real crevasse shape is restored to the maximum degree, and accuracy is high; the crevasse processed by the method can be combined with an entity for use, has certain assembling performance and good adaptability, can be used for processing and preparing hull crevasse models differently according to different crevasse shape parameters, and is suitable for various crevasse types, high in universality and reasonable and