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EnglishThis paper investigates the coupled nonlinear dynamics of a vessel with a free surface tank onboard. To this end, a 6-DOF ship motions simulation code is coupled with a CFD solver addressing the behaviour of the fluid in the tank. The nonlinear ship motions code is of the blended (hybrid) type, intended for the simulation of free running vessels in waves. The nonlinear CFD solver is a GPU-based 3D Weakly-Compressible Smoothed-Particle Hydrodynamic (WCSPH) solver. Numerical results are presented for the nonlinear roll motion of a vessel with and without a free surface tank in regular beam waves with different steepnesses.
| Titolo: | Coupled simulation of nonlinear ship motions and free surface tanks |
| Autori: | |
| Data di pubblicazione: | 2015 |
| Abstract: | This paper investigates the coupled nonlinear dynamics of a vessel with a free surface tank onboard. To this end, a 6-DOF ship motions simulation code is coupled with a CFD solver addressing the behaviour of the fluid in the tank. The nonlinear ship motions code is of the blended (hybrid) type, intended for the simulation of free running vessels in waves. The nonlinear CFD solver is a GPU-based 3D Weakly-Compressible Smoothed-Particle Hydrodynamic (WCSPH) solver. Numerical results are presented for the nonlinear roll motion of a vessel with and without a free surface tank in regular beam waves with different steepnesses. |
| Handle: | http://hdl.handle.net/11368/2863914 |
| ISBN: | 978-1-909522-13-8 978-1-909522-14-5 |
| URL: | http://www.shipstab.org/index.php/conference-workshop-proceedings/stab2015-glasgow |
| Appare nelle tipologie: | 4.1 Contributo in Atti Convegno (Proceeding) |
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