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VOF방법을 이용한 연직 실린더 주위의 파랑장 수치해석

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dc.contributor.author남보우-
dc.contributor.author홍사영-
dc.contributor.author성홍근-
dc.date.accessioned2021-12-08T19:41:00Z-
dc.date.available2021-12-08T19:41:00Z-
dc.date.issued20100624-
dc.identifier.urihttps://www.kriso.re.kr/sciwatch/handle/2021.sw.kriso/5739-
dc.description.abstractIn this paper, numerical simulations of diffracted wave around bottom-mounted circular cylinder are presented using volume-of-fluid (VOF) method. Unsteady incompressible Navier-Stokes equations are solved based on finite volume method (FVM) with collocated variable arrangement. SIMPLE-type correction algorithm with momentum interpolation method is applied to solve pressure-poisson equations. Among many variations of VOF method, CICSAM (Compressive Interface Capturing Scheme for Arbitrary Meshes) scheme is adopted. To verify the availability in two-phase flow simualtions of the developed numerical code, dam-breaking and sloshing problems are investigated. Two-phase simulation results show good agreement in both flow pattern and global force with existing experiments. Before the numerical simulation of three-dimensional diffraction problems, wave is tested in numerical wave tank. In present study, we introduce a buffer zone for efficient wave-making and damping simulation. In the buffer zone, the near field solution is gradually changed to the known incident wave at the far field. Second-order Stokes waves are well simulated in present wave tank. Finally, diffracted wave by vertical circular cylinders is numerically simulated. The wave-induced forces and run-ups around cylinder are compared with potential solutions based on finite-element method (FEM). Agreement between two numerical solutions is fairly good.-
dc.language영어-
dc.language.isoENG-
dc.titleVOF방법을 이용한 연직 실린더 주위의 파랑장 수치해석-
dc.title.alternativeNumerical Simulation of Diffracted Wave by a Vertical Cylinder Using VOF method-
dc.typeConference-
dc.citation.titleISOPE 2010-
dc.citation.volume1-
dc.citation.number1-
dc.citation.startPage572-
dc.citation.endPage577-
dc.citation.conferenceNameISOPE 2010-
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