In-house Developed Softwares Two and three-dimensional finite element method (FEM) code Two and three-dimensional finite difference method (FDM) code Two and three-dimensional FDTD code for solving the Maxwell's equations Commercial Softwares Gambit Fluent Gridgen 16.0 CFDRC 2004 Tecplot version 10.0 and 360 Freewares FreeFem++ OpenFOAM Paraview POV-Ray SCCS Laboratory 2006, all rights reserved Department of Engineering Science and Ocean Engineering, National Taiwan University