全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:Haegyun Lee
来源:[J].Journal of Mechanical Science and Technology(IF 0.616), 2019, Vol.33 (7), pp.3301-3310Springer
摘要:Abstract(#br)The numerical solutions of shallow water equations are presented with implicit discontinuous Galerkin (IDG) method. The motivations for the development of an implicit scheme is stated. Details of the developed model is described including the spatial and temporal dis...
作者:Haegyun Lee
来源:[J].Journal of Mechanical Science and Technology(IF 0.616), 2015, Vol.29 (9), pp.3699-3706Springer
摘要:Abstract(#br)Recent development of computing power and theoretical advances in computational fluid dynamics have made possible numerical simulations of water waves with full three-dimensional Navier-Stokes equations. In this study, an internal wave maker using the mass source fun...
作者:Haegyun Lee
来源:[J].KSCE Journal of Civil Engineering(IF 0.383), 2014, Vol.18 (5), pp.1554-1562Springer
摘要:Abstract(#br)Numerical solutions of 1D and 2D shallow water equations are presented with Runge-Kutta Discontinuous Galerkin (RKDG) finite element method. For 1D problems, the transcritical flows such as dam-break flows and a flow over a bump with hydraulic jump were simulate...
作者:Haegyun Lee , Namjoo Lee
来源:[J].KSCE Journal of Civil Engineering(IF 0.383), 2016, Vol.20 (2), pp.978-989Springer
摘要:Abstract(#br)The wet-dry scheme for moving boundary treatment is implemented in the framework of discontinuous Galerkin shallow water equations. As a formulation of approximate Riemann solver, the HLL (Harten-Lax-van Leer) numerical fluxes are employed and the TVB (Total Variatio...
作者:... Rohan Benjankar , Nam-Joo Lee , Haegyun Lee
来源:[J].Journal of Hydro-environment Research(IF 1.899), 2012, Vol.6 (2), pp.151-161Elsevier
摘要:Abstract(#br)This study presented the results of an application of a floodplain dynamic model to the Nakdong River, South Korea. At the Nakdong River, high flows are reduced by dams and the river bed is degraded. Both changes contribute toward the same result: the floodplain...
作者:Haegyun Lee , Namjoo Lee
来源:[J].Journal of Coastal Research(IF 0.496), 2018, Vol.SI (85), pp.106-110ProQuest
摘要:The characteristic Galerkin finite element model for the discrete Boltzmann equation is developed for the depthintegrated shallow water equations. The lattice Boltzmann method (LBM) simulates microscopic collision and streaming of fluid particles and, then, evaluates the macrosco...
作者:Haegyun Lee , Taehun Lee
来源:[J].International Journal for Numerical Methods in Fluids(IF 1.352), 2005, Vol.49 (5), pp.521-547Wiley
摘要:Abstract(#br)This paper presents a numerical method for free surface flows that couples the incompressible Navier–Stokes equations with the level set method in the finite element framework. The implicit characteristic‐Galerkin approximation together with the fractional ...

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