The proposed data structure can simultaneously and
effectively handle analysis model information and the ship
design information, comprised of hull form data including
structure information and compartment data for ship basic
calculation, available on the early ship design stage without
CAD model. The proposed mesh generation algorithm can
fast and robustly generate the quadrilateral mesh satisfying
the constraints imposed by the structure information and the
connecting relation. The proposed data structure and mesh
generation algorithm can automatically generate the
analysis model of outer hull structure and internal structure
using initial design information. Adding the information
not existing in computerized form in the early design
stage, such as superstructure, stiffener specification, plate
thickness, boundary condition, loading condition