18 Result(s)
within
Engineering
Numerical and Computational Physics, Simulation
Yong-** Dong
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Article
Application of A Fully Nonlinear Higher-Order Element Method for Modelling Three-Dimensional Wave Entry of A Cone
Fully nonlinear water entry of a cone into waves with gravity effect has been analyzed based on a three-dimensional (3D) higher-order boundary method (HOBEM). The total velocity potential at the initial time i...
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Article
Coupling Effects of A Deep-Water Drilling Riser and the Platform and the Discharging Fluid Column in An Emergency Disconnect Scenario
As drilling operations move into remote locations and extreme water depths, recoil analysis requires more careful considerations and the incidence of emergency disconnect is increased inevitably. To accurately...
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Article
The visualization of turbulent coherent structure in open channel flow
Due to its multiscale and multi-layer natures, the coherent structures of turbulent in the open channel flow is complex and difficult to be visualized for understanding its evolution. In this paper, five types...
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Chapter and Conference Paper
Behaviour of Adjacent Ground and Existing Tunnel According to Locations of Pile Loading
In densely developed urban areas, the use of underground space to provide necessary transportation and utility infrastructures (e.g., subway tunnels, water pipes, and electrical conduits) has increased. The nu...
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Article
Revisit of advection-dispersion equation model with velocity-dependent dispersion in capturing tracer dynamics in single empty fractures
An accurate quantification of the contaminant transport through fractured media is critical for dealing with water-quality related scientific and engineering issues, where the dispersion coefficient is an impo...
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Article
Numerical and experimental study of continuous and discontinuous turbidity currents on a flat slope
When the sediment and the dissolved matter laden in the river meet a clear water in reservoirs, the turbid water will plunge and spread into the clear water, forming the turbidity current and influencing the w...
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Article
Concept design and coupled dynamic response analysis on 6-MW spar-type floating offshore wind turbine
Tower, Spar platform and mooring system are designed in the project based on a given 6-MW wind turbine. Under wind-induced only, wave-induced only and combined wind and wave induced loads, dynamic response is ...
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Article
Comparison and modification: TVD schemes for scalar transport on an unstructured grid
In most TVD schemes, the r-factors were proposed according to the cell-centered (CC) finite volume method (FVM) framework for the numerical approximation to the convective term. However, it is questionable whethe...
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Article
Experimental study of the transition from non-Darcian to Darcy behavior for flow through a single fracture
Laboratory experiments are designed in this paper using single fractures made of cement and coarse sand for a series of hydraulic tests under the conditions of different fracture apertures, and for the simulat...
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Article
Improvement of numerical simulation of bimolecular reactive transport using time-dependent parameters
The overestimation of the contaminant concentration is a main issue in simulating the reactive transport using the common advection-dispersion-reaction equation (ADRE). To solve this problem, a new modeling me...
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Article
Simulation of the load rejection transient process of a francis turbine by using a 1-D-3-D coupling approach
This paper presents the simulation and the analysis of the transient process of a Francis turbine during the load rejection by employing a one-dimensional and three-dimensional (1-D-3-D) coupling approach. The...
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Article
Valid hydrodynamic interaction regions of multiple ships advancing in waves
Based on the 3-D surface panel method combined with the translating-pulsating source Green function, an approximate approach is developed to solve the hydrodynamic interacting problem of multiple ships advanci...
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Article
Study on far field wave patterns and their characteristics of Havelock form green function
A new mathematical integral representation including five integrals about the far field wave shape function of Havelock form translating-pulsating source is obtained by performing variable substitution. Consta...
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Article
Experimental investigation and numerical analysis of unsteady attached sheetcavitating flows in a centrifugal pump
This paper studies the attached sheet cavitation in centrifugal pumps. A pump casted from Perspex is used as the test subject. The cavitation bubbles were observed in the entrance of the impeller and the drops...
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Article
Effect of Escape Device for Submerged Floating Tunnel (SFT) on Hydrodynamic Loads Applied to SFT
This paper presents a potential approach to settle the problem of surviving major safety accidents in Submerged Floating Tunnel (SFT) that detachable emergency escape devices are set up outside SFT. The Comput...
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Article
Study on characteristics of 3-D translating-pulsating source green function of deep-water havelock form and its fast integration method
The singularities, oscillatory performances and the contributing factors to the 3-D translating-pulsating source Green function of deep-water Havelock form which consists of a local disturbance part and a far-...
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Article
Numerical Study on Salinity Stratification in the Oujiang River Estuary
The variations of current, salt intrusion and vertical stratification under different conditions of river flow and wind in the Oujiang River Estuary (ORE) were investigated in this article using the Environmen...
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Article
Simulation of Solute Transport in Fractured Network with a Probability Method
The simulation of solute transport in fractured rock mass has been conducted with the Finite Difference Method(FDM), Finite Element Method(FEM) and Finite Analysis Method(FAM), etc.. However, groundwater flow ...
