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Combined steady and oscillatory flow past a circular cylinder is investigated numerically by three-dimensional Direct Numerical Simulation (DNS). The incompressible Navier-Stokes equations are solved by finite element method (FEM). The aim of this study is to investigate influence of the existence of steady current on the flow regime and hydrodynamics forces. The computational results of pure oscillatory...
A numerical model is established for simulating the wave action on a horizontal circular cylinder close to the sea-bed. The two-dimensional Navier-Stokes (NS) equations are solved by a finite element method. The arbitrary Lagrangian-Eulerian scheme is employed for tracking the moving free surface boundary. After each computational time step, the mesh is updated by solving a linear equilibrium equation...
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