A Sea Ice Calculation Method for Simulating Ship-ice Interaction Process in Navigation Simulator
A calculation method and simulator technology, applied in the field of ice navigation visual simulation, can solve the lack of sea ice calculation process, can not meet the latest requirements of IMO for the completeness of simulator functions, and the ice navigation visual system cannot guarantee the scene. Simulation authenticity and other issues
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[0100] The present invention is described in further detail below in conjunction with accompanying drawing:
[0101] like figure 1 As shown, according to the physical state of sea ice, the present invention specifically divides the sea ice calculation method into an ice-breaking calculation module and a rigid body motion module, and then calculates and analyzes the sea ice force, sea ice crushed ice shape and motion state in the ice-breaking process, and generates The results are passed into the ship motion model and the ice vision system.
[0102] like figure 2 As shown, as the breaking condition of sea ice, the bending stress σ in the y direction of the collision point of the free edge of sea ice yy The size of is very important in the ice-breaking calculation module, and its results directly affect the analysis and simulation of the ship-ice interaction process. In a specific calculation example, the main physical properties of leveled sea ice are shown in Table 1.
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