Two Dimensional Flow Modeling
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Two Dimensional Flow Modeling
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Author : Robert C. MacArthur
language : en
Publisher:
Release Date : 1982
Two Dimensional Flow Modeling written by Robert C. MacArthur and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Fluid dynamics categories.
Role Of Small Computers In Two Dimensional Flow Modeling
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Author : D. Michael Gee
language : en
Publisher:
Release Date : 1985
Role Of Small Computers In Two Dimensional Flow Modeling written by D. Michael Gee and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Hydraulics categories.
Use Of A Two Dimensional Flow Model To Quantify Aquatic Habitat
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Author : D. Michael Gee
language : en
Publisher:
Release Date : 1985
Use Of A Two Dimensional Flow Model To Quantify Aquatic Habitat written by D. Michael Gee and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Aquatic biology categories.
This paper describes the impacts of potential hydropower retrofits on downstream flow distributions at Lock and Dam No. 8 on the upper Mississippi River. The model used solves the complete Reynolds equations for two-dimensional free-surface flow in the horizontal plane using a finite element solution scheme. RMA-2 has been in continuing use and development at the Hydrologic Engineering Center and elsewhere for the past decade. Although designed primarily for the simulation of hydraulic conditions, RMA-2 may be used in conjunction with related numerical models to simulate sediment transport and water quality. In this study, velocity distributions were evaluated with regard to environmental, navigational and small-boat safety considerations. Aquatic habitat was defined by depth, substrate type and current velocity. Habitat types were quantified by measuring the areas between calculated contours of velocity magnitude (isotachs) for existing and project conditions. The capability for computing and displaying isotachs for the depth-average velocity, velocity one foot from the bottom and near the water surface was developed for this study. The product of this study effort is an application of the RMA-2 model that allows prediction of structural aquatic habitat in hydraulicaly complex locations. Elements of the instream flow group methodology could be incorporated to provide detailed predictions of impacts to habitat quality. Calibration of the numerical model to field measurements of velocity magnitude and direction is also described.
Calibration Verification And Application Of A Two Dimensional Flow Model
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Author : D. Michael Gee
language : en
Publisher:
Release Date : 1983
Calibration Verification And Application Of A Two Dimensional Flow Model written by D. Michael Gee and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Finite element method categories.
Two Dimensional Relaxation Method Flow Model Rmfm For Hydraulic Structures
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Author : Braxtel L. Neely
language : en
Publisher:
Release Date : 1992
Two Dimensional Relaxation Method Flow Model Rmfm For Hydraulic Structures written by Braxtel L. Neely and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Hydraulic structures categories.
Two Dimensional Floodplain Modeling
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Author : D. Michael Gee
language : en
Publisher:
Release Date : 1990
Two Dimensional Floodplain Modeling written by D. Michael Gee and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Floodplain management categories.
A two-dimensional horizontal finite element numerical model (RMA-2) was applied to a 15 mile (24 km) river channel-floodplain reach in West Germany. Previous applications of such models have been restricted to much smaller scales. The results indicate that finite element schemes may successfully estimate river stage in large scale floodplain applications. Computed stage hydrographs compared well with observed data using loss coefficients within expected ranges. Two-dimensional flow models have been applied to certain classes of river channel problems. Applications have included detailed analyses of flow patterns near structures such as bridges and floodplains. In all these problems the scale of interest has been small, e.g. reaches of river a few river widths long. Many estuary studies have been done that were of large scale; some of these utilized a hybrid (numerical plus physical) modeling technique. In a review of the application of finite element methods to river channels, Samuels reported that the river channel was resolved separately from the floodplain in only two studies. Missing in previous work is attention to large scale floodplain modeling. The work reported in this paper focuses on the feasibility and accuracy of applying a two-dimensional flow model to a large floodplain. Traditional floodplain studies have used semi-empirical flow routing with steady, one-dimensional computation of water surface elevations to define inundated areas. Keywords: Army Corps of Engines. (kr).
Tunnelling A Decade Of Progress Geodelft 1995 2005
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Author : Adam Bezuijen
language : en
Publisher: CRC Press
Release Date : 2005-12-22
Tunnelling A Decade Of Progress Geodelft 1995 2005 written by Adam Bezuijen and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-12-22 with Technology & Engineering categories.
Following years of research, the first bored tunnel in soft soil in the Netherlands, the Tweede Heinenoord tunnel, was completed in 1998. Since then, Dutch engineers have increased their knowledge of soft soil tunnelling, with a significant and important part of this research being carried out by GeoDelft, the Dutch National Institute of Geo-Engineering. This book contains the most important publications by GeoDelft on the subject of soft soil tunnelling, focusing on the period from 1992 to the present, it is divided into four main headings: field measurements; grout behaviour; model testing; and numerical analysis. This impressive overview of the progress made in the Netherlands in soft soil tunnelling research over more than a decade is a valuable resource to those working in soft soil tunnelling worldwide.
Turbulence Measurements And Flow Modeling
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Author : Ching Jen Chen
language : en
Publisher: CRC Press
Release Date : 1987
Turbulence Measurements And Flow Modeling written by Ching Jen Chen and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Science categories.
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1994
Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Aeronautics categories.
Modeling Phenomena Of Flow And Transport In Porous Media
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Author : Jacob Bear
language : en
Publisher: Springer
Release Date : 2018-01-25
Modeling Phenomena Of Flow And Transport In Porous Media written by Jacob Bear and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-01-25 with Science categories.
This book presents and discusses the construction of mathematical models that describe phenomena of flow and transport in porous media as encountered in civil and environmental engineering, petroleum and agricultural engineering, as well as chemical and geothermal engineering. The phenomena of transport of extensive quantities, like mass of fluid phases, mass of chemical species dissolved in fluid phases, momentum and energy of the solid matrix and of fluid phases occupying the void space of porous medium domains are encountered in all these disciplines. The book, which can also serve as a text for courses on modeling in these disciplines, starts from first principles and focuses on the construction of well-posed mathematical models that describe all these transport phenomena.