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Study of floating bodies in wave ny using smoothed particle hydrodynamics (SPH)

By Cheun Yuen Ha


One of the problems is the environment area which involves the floating of body with effective microorganism (SM). As a result, we need a detail description as well as calculation of floating body is using finite difference method (FD). However, this method produces low accuracy results. Beside, FD method is based on regular grid problem which is not efficient especially in river layout. In recent years, Smoothed Particle Hydrodynamics (SPH) method is developed to solve mechanical problems as well as fluid flow problems. In order to simulate the floating body problem using irregular grid as well as higher order accuracy, SPH is the suitable method. The advantage of SPH is its meshless technique which avoid the time consuming remeshing process especially in finite element method. The above numerical methods are coded in Fortran program. SPH can be a useful hydrodynamics model for breaking waves and the nearshore zone, particularly for case where spray and splash are important. The advantage of SPH is to be able to accurately model the complex flows associated with breaking water waves, including instantaneous motions as well as (time-averaged) wave-induced flows, such as undertow, longshore currents, and rip currents. The results of the computations show that SPH can be used to simulate free surface flows without difficulty provided the density

Topics: Q Science (General)
Year: 2013
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