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| 1 | THREE-DIMENSIONAL NUMERICAL MODELINGOF COHESIVE SEDIMENT TRANSPORT BY TIDAL CURRENTIN PEARL RIVER ESTUARV显示文摘A three-dimensional numerical model of suspended sediment transport taking into account the effects of cohesiveness between sediments is presented. An efficient operator splitting scheme is employed to solve the equations of mass conservation, momentum and suspended sediment transport. The splitting method partitions a time step into three fractional time steps according to physical phenomena. In the first step, advection and Coriolis force are solved by Eulerian-Lagrangian method (ELM). Horizontal diffusion is approximated by implicit finite element method (FEM) for each horizontal layer in the second step. In the last step, vertical diffusion and pressure gradient are discretized by implicit finite difference method (FDM) for each nodal column. The continuity equation is solved by implicit FEM within an entire time step. The sigma coordinate system for vertical columns and nine-node isoparameteric finite elements for horizontal planes are employed in the model. Empirical functions specifically developed for cohesive sediments in China have been incorporated into the model. The model has been applied to investigate the suspended sediment concentration and seabed evolution in the Pearl River Estuary (PRE) in China. Computed results show that the distribution of sediment concentration and seabed evolution is in agreement with field measurements. In addition, the effect of the size of time step on result is discussed. The computed result shows that larger time steps can be used in this model for saving computation time without losing much accuracy. | Yong CHEN1, Onyx W.H. WAI2, Y. S. Li3 and Qimiao LU4 (l 2,3 Department of Civil and Structural Engineering, The Hong Kong Polytechnic University. Hung Hom, Kowloon, Hong Kong 4,Department of Civil Engineering, Daltech, Dalhousie University, Halifax, Can | 1999 | International Journal of Sediment Research1999，14，2： | 4 |
| 2 | Predictors of mortality in adult patients with congestive heart failure receiving nesifitide-retrospective analysis showing a potential adverse interaction between nesifitide and acute renal dysfunction 显示文摘 | Iglesias J DePalma L Hom D | 2008 | Nephrel Dial Transplant2008，23，： | 1 |
| 3 | A dynamics model for nonlinear electrostrictive actuators显示文摘 | Hom C L Shankar N | 1998 | IEEE Trans US Ferro and Frequ Contr1998，45，2： | 1 |
| 4 | Metalinguistie negation and pragmatic ambiguity 显示文摘 | Hom L | 1985 | Language1985，61，1： | 1 |
| 5 | A fully coupled constitutive model for electrostrictive ceramic materials显示文摘 | Hom C L Shankar N | 1994 | J Intell Mater Syst Struct1994，5，6： | 1 |
| 6 | Infection resistance of unreamed solid,hollow slotted and cannulated intramedullary nails:an invivo experimental comparison显示文摘 | Hom J Schlege l Krettek C | 2005 | J Orthop Res2005，23，4： | 1 |
| 7 | Use of Nb2O5 as nickel passivating agent: characterization of the Ni/Nb2O5/SiO2 system显示文摘 | Santos L T Pereira E B Homs N | 2003 | Catal Today2003，78，14： | 1 |
| 8 | Management of severe traumatic injury by decompressive craniectomy显示文摘 | Munch E Hom P Schurer L | 2000 | Neurosurgery2000，47，2： | 1 |
| 9 | A dynamics model for nonlinear electrostrictive actuators 显示文摘 | Hom C L Shankar N | 1998 | IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control1998，45，2： | 1 |
| 10 | Mic- rosatellite mapping of QTLs affecting resistance to coceidiosis (Eimeria tenella) in a Fayoumi>< White Leghorn cross显示文摘 | Pinard-van der Laan M H Bed'Hom B Coville J L | 2009 | BMC Genomics2009，10，： | 1 |
| 11 | A fully coupled constitutive model for electrostrictive ceramic materials 显示文摘 | Hom C L Shankar N | 1994 | Journal of Intelligent Material Systems and Structures1994，5，6： | 1 |
| 12 | Differentialcerebralmetabolicchangeswithparoxetinetreatmentofobsessivecompulsivedisordervsmajordepression显示文摘 | SAXENAS BRODYAL HOM L etal | 2002 | ArchGenPsychiatry2002，59，3： | 1 |
| 13 | Parent-offspring aggression in moorhens 显示文摘 | Hom A G and Eden S F | 1988 | Behav Ecol Sociobiol1988，23，： | 1 |
| 14 | Human combinatorial antibody libraries to hepatitis B surface antigen显示文摘 | ZEBEDEE S L BARBAS C F HOM Y L | 1992 | Proc Natl Acad Sci USA1992，89，： | 1 |
| 15 | Management of severe traumatic brain injury by decompressive craniectomy显示文摘 | Mtinch E Hom P Sch'drer L | 2000 | Neurosurgery2000，47，2： | 1 |
| 16 | Peritumoral stro- mal remodeling,pattern of invasion and expression of c-met/ HGF in advanced squamous cell carcinoma of the cervix uteri,FIGO stages E and W显示文摘 | Hom L C Hommel N Roschlau U | 2012 | Eur J Obstet Gynecol Reprod Bi- ol2012，163，1： | 1 |
| 17 | Stable Inhibition of Brain Synaptic Plasma Membrane Calcium ATPase in Rats Anesthetized with Halothane显示文摘 | Franks J J Hom J L Janieki P K | 1995 | Anesthesiology1995，82，： | 1 |
| 18 | Human combinatorial antibody libraries to hepatitis B surface antigen显示文摘 | Zebedee S L Barbas C F Hom Y L | 1992 | Proc Natl Aead Sci USA1992，89，： | 1 |
| 19 | Management of severe traumatic brain injury by decompressive craniectomy 显示文摘 | Munch E Hom P Schurer L | 2000 | Neurosurgery2000，47，2： | 1 |
| 20 | Defining hypoxic ischemic encephalopathy in newborn infants: benchmarking in a South African population显示文摘 | Hom AR Swingler GH Myer L | 2012 | J Perinat Med2012，19，3： | 1 |
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