A Numerical Fluid-solid Coupling Model for the Dynamics of Ships in Atrocious Sea Conditions

摘要

Adopting fluid dynamics theory and time-dependent solid dynamics theory of ship, the fluidsolid coupling dynamics numerical model is built. The linear fluid-solid coupling equation is derived from ship surface integral formula. The time-dependent hull displacement is calculated by solving the nonlinear elastic equations. The results show that Green function has some interesting properties, and that the maximal displacement will appear when the wave-hull resonance number becomes an integer.