In-house Developed Softwares Three-dimensional finite element code Three-dimensional finite volumn code (NOCSIM) Two-dimensional Euler code Three-dimensional finite difference code Commercial Softwares Gridgen Cartia CFX 4.0, 5.0 CFDRC 2003, 2004 Tecplot version 8.0, 10.0.6 CFD Analyzer 4.0 Field View 7.0 SCCS Laboratory 2006, all rights reserved Department of Engineering Science and Ocean Engineering, National Taiwan University