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Author : David Alan Mayne
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (66 download)
Download or read book Finite Element Modelling of Cohesive Sediment Transport written by David Alan Mayne and published by . This book was released on 2000 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : David Alan Mayne
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (66 download)
Download or read book Finite Element Modelling of Cohesive Sediment Transport written by David Alan Mayne and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Chita Ranjan Ariathurai
Publisher :
ISBN 13 :
Total Pages : 438 pages
Book Rating : 4.:/5 (3 download)
Download or read book A Finite Element Model for Sediment Transport in Estuaries written by Chita Ranjan Ariathurai and published by . This book was released on 1974 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ranjan Ariathurai
Publisher :
ISBN 13 :
Total Pages : 174 pages
Book Rating : 4.3/5 (121 download)
Download or read book Mathematical Model of Estuarial Sediment Transport written by Ranjan Ariathurai and published by . This book was released on 1977 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt: A two-dimensional finite element model that simulates erosion, Transport, and deposition of suspended sediments is presented. The breadth-averaged or depth-averaged equations may be used depending on the problem to be solved. The governing equations for two phase transport are derived and then solved by the finite element method using isoparametric quadrilateral elements in which a quadratic approximation is made for the suspended sediment concentrations. Expressions used for the rates and conditions under which erosion and deposition occur are from previous experimental studies. Continuing aggregation is accounted for by specifying the settling velocity of the flocs in each element at each time step. The bed is considered to be formed of a number of layers of sediment whose physical properties change with overburden pressure. The model provides suspended sediment concentrations and bed profile at each time step. Numerical stability and convergence tests were conducted by comparing simulated results with analytic solutions and actual measurements. The original model, SEDIMENT I, was verified by comparison with measurements in a recirculating flume. The modified model, SEDIMENT II, developed for this project was verified by comparison with field measurements in the Savannah Estuary, Georgia. (Author).
Author : Yasuo Onishi
Publisher :
ISBN 13 :
Total Pages : 62 pages
Book Rating : 4.3/5 (121 download)
Download or read book Modified Finite Element Transport Model, FETRA, for Sediment and Radionuclide Migration in Open Coastal Waters written by Yasuo Onishi and published by . This book was released on 1979 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Yasuo Onishi
Publisher :
ISBN 13 :
Total Pages : 126 pages
Book Rating : 4.3/5 (121 download)
Download or read book Finite Element Models for Sediment and Contaminant Transport in Surface Waters written by Yasuo Onishi and published by . This book was released on 1977 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Neville Burt
Publisher :
ISBN 13 :
Total Pages : 490 pages
Book Rating : 4.:/5 (318 download)
Download or read book Cohesive Sediments written by Neville Burt and published by . This book was released on 1997-04-03 with total page 490 pages. Available in PDF, EPUB and Kindle. Book excerpt: There is an alarming tendency today to assume that something calculated by a computer must be correct, yet the phrase 'garbage in, garbage out' (gigo) is possibly nowhere more (generally) appropriate than in computer modelling of cohesive sediment behaviour. The behaviour of 'mud' is highly complex and one only needs to look at a sample under a microscope to see why - the variety of particle shapes, not to mention the presence of living organisms, make it a substance with properties virtually unique to its situation which even change with time. For many years most researchers tended to avoid it, preferring to study sand and gravel, but a dedicated few tackled it and found a forum for discussing their work in the first Cohesive Sediments Workshop in Florida in 1980. The workshop met about every three years resulting in publication of some of the most definitive papers on the subject. By 1994 it was time to recognise the extensive research being carried on in Europe by holding the workshop in that region. Intercoh '94 (the 4th Nearshore and Estuarine Cohesive Sediment Transport Conference) drew together about 100 of the world's leading researchers in the field. The resulting papers, presented in this volume, truly represent the definitive state of the art on the measurement and modelling of mud properties today.
Author : K.-P. Holz
Publisher : Springer Science & Business Media
ISBN 13 : 3662023482
Total Pages : 1095 pages
Book Rating : 4.6/5 (62 download)
Download or read book Finite Elements in Water Resources written by K.-P. Holz and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 1095 pages. Available in PDF, EPUB and Kindle. Book excerpt: These proceedings contain the papers presented at the Fourth International Conference on Finite Elements in Water Resources, held in June, 1982, at the University of Hannover, Federal Re public of Germany. This Conference continued the successful series of previous conferences held at Princeton University in 1976, at Imperial College in 1978, and at the University of Mississippi in 1980. Since Finite Elements have proved to be a powerful means for analysing water resource problems, the principal objective of the Conference was to provide an exchange of experiences in practical applications of the finite element method and to establish a forum for discussion regarding accuracy, economy, limitations and improvements. Related discretization methods were included within the scope of the Conference. New develop ments in numerical and computational techniques, basic mathe matical formulations, and soft- and hardware aspects were considered to be equally important topics for an exchange of ideas between both theoretically and practically oriented re searchers. The Conference Organizing Committee is very grateful to the many distinguished scientists who attended the Conference, and for their contributions towards the proceedings. This collection of papers in being made available to a wider audience of en gineers and scientists by CML Publications in Southampton, U.K.
Author : Wolfgang Summer
Publisher : IAHS Press
ISBN 13 : 9781901502503
Total Pages : 468 pages
Book Rating : 4.5/5 (25 download)
Download or read book Modelling Soil Erosion, Sediment Transport and Closely Related Hydrological Processes written by Wolfgang Summer and published by IAHS Press. This book was released on 1998 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Arie Setiadi Moerwanto
Publisher :
ISBN 13 :
Total Pages : 590 pages
Book Rating : 4.:/5 (222 download)
Download or read book A Riverine Finite Element Model with Sediment Transport Sub-processes written by Arie Setiadi Moerwanto and published by . This book was released on 1997 with total page 590 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Bruce Allen De Vantier
Publisher :
ISBN 13 :
Total Pages : 324 pages
Book Rating : 4.:/5 (15 download)
Download or read book A Finite Element Model for Density-affected Flow in Secondary Sedimentation Basins written by Bruce Allen De Vantier and published by . This book was released on 1983 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Andrew Manning
Publisher : BoD – Books on Demand
ISBN 13 : 9533075864
Total Pages : 347 pages
Book Rating : 4.5/5 (33 download)
Download or read book Sediment Transport in Aquatic Environments written by Andrew Manning and published by BoD – Books on Demand. This book was released on 2011-10-03 with total page 347 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sediment Transport in Aquatic Environments is a book which covers a wide range of topics. The effective management of many aquatic environments, requires a detailed understanding of sediment dynamics. This has both environmental and economic implications, especially where there is any anthropogenic involvement. Numerical models are often the tool used for predicting the transport and fate of sediment movement in these situations, as they can estimate the various spatial and temporal fluxes. However, the physical sedimentary processes can vary quite considerably depending upon whether the local sediments are fully cohesive, non-cohesive, or a mixture of both types. For this reason for more than half a century, scientists, engineers, hydrologists and mathematicians have all been continuing to conduct research into the many aspects which influence sediment transport. These issues range from processes such as erosion and deposition to how sediment process observations can be applied in sediment transport modeling frameworks. This book reports the findings from recent research in applied sediment transport which has been conducted in a wide range of aquatic environments. The research was carried out by researchers who specialize in the transport of sediments and related issues. I highly recommend this textbook to both scientists and engineers who deal with sediment transport issues.
Author : Shaimaa Abd Al-Amear Theol
Publisher : CRC Press
ISBN 13 : 1000069249
Total Pages : 148 pages
Book Rating : 4.0/5 ( download)
Download or read book The Use of Delft3D to Simulate the Deposition of Cohesive and Non-Cohesive Sediments in Irrigation Systems written by Shaimaa Abd Al-Amear Theol and published by CRC Press. This book was released on 2020-03-13 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sediment deposition threatens the performance of many irrigation systems. Because of the high impact on irrigation performance and crop production, many studies have been done on how to deal with sediment deposition. In this research, the Delft3D model, originally developed for hydro-morphologic modeling of rivers and estuaries, was adapted for the use in irrigation systems simulations and applied to different case studies. This research addresses two shortcomings of previous studies of sediments in irrigation systems. Firstly, while previous studies primarily used 1D models, this research uses a 2D/3D model. The use of 2D/3D models in irrigation systems is significant because the non-uniform flow around structures such as offtakes, weirs and gates, leads to asymmetric sedimentation patterns that are missed by 1D simulations. Secondly, whereas previous studies mostly considered non-cohesive sediments, this research simulates cohesive, non-cohesive and a mix of both sediment types. This is important for irrigation systems that draw water from natural rivers that carry a mix of cohesive and non-cohesive sediments. The findings of this research are important for irrigation system maintenance and gate operation. It is also essential for the development of canal operating plans that meet crop water requirements and at the same time minimizes sediment deposition by alternating gates.
Author : Robert C. MacArthur
Publisher :
ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.3/5 (121 download)
Download or read book Status and New Capabilities of Computer Program HEC-6: "Scour and Deposition in Rivers and Reservoirs" written by Robert C. MacArthur and published by . This book was released on 1990 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: Last year the Hydrologic Engineering Center (HEC) and the Waterways Experiment Station incorporated the results from more than ten years of research and development into a new version of computer program HEC-6: 'Scour and Deposition in Rivers and Reservoirs' (HEC, 1977). Because of the extensive modifications made to HEC-6, an entirely new User's Manual was also prepared. HEC released a Beta Test Version of the program in the fall of 1989, for field testing. Public release of the new version of HEC-6 is scheduled for September 1990. This paper describes the present status of the program as of April 1990, the expanded capabilities, and the improved documentation to be included in the forthcoming release of computer program HEC-6. Keywords: Computer programs; User manuals; Sediment transport modeling; Deposition; One-dimensional mobile boundary model; Rivers; Reservoirs. (CP).
Author :
Publisher :
ISBN 13 :
Total Pages : 788 pages
Book Rating : 4.3/5 (555 download)
Download or read book Louisiana Coastal Area Ecosystem Restoration Study written by and published by . This book was released on 2004 with total page 788 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 622 pages
Book Rating : 4.:/5 (319 download)
Download or read book Proceedings of the First Federal Interagency Hydrologic Modeling Conference written by and published by . This book was released on 1998 with total page 622 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher : Academic Press
ISBN 13 : 0080567134
Total Pages : 319 pages
Book Rating : 4.0/5 (85 download)
Download or read book Estuaries written by and published by Academic Press. This book was released on 1999-09-14 with total page 319 pages. Available in PDF, EPUB and Kindle. Book excerpt: The importance and ecological significance of estuaries has been long appreciated. In the last few years, there has been increased research activity, resulting in significant advances in understanding of estuarine ecology. This special thematic volume of Advances in Ecological Research provides an overview of a number of the important areas. Ranging from the macroscale: how differences in river basins influence the loads of nutrients, through the impacts and fates of the nutrient loads, to how both phytoplanktonic and benthic estuarine primary production are regulated. There is also a review of the key factors influencing the outcome of management decisions for estuaries from the point of sustainability of estuarine resources. This volume is essential reading and reference for all those interested in estuaries including ecologists, environmental scientists, botanists, and zoologists.
