Application Of The Finite Element Method To Vertically Stratified Hydrodynamic Flow And Water Quality

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Application Of The Finite Element Method To Vertically Stratified Hydrodynamic Flow And Water Quality
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Author : Robert C. MacArthur
language : en
Publisher:
Release Date : 1980
Application Of The Finite Element Method To Vertically Stratified Hydrodynamic Flow And Water Quality 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 1980 with Finite element method categories.
Computer program RMA-7 has been expanded to be able to simulate density induced flows and water quality conditions typically found in deep reservoirs. The mathematical basis for the program and methods of implementing the code for various kinds of flow are discussed. Results from two different applications are presented. The first example simualtes flow conditions that were measured in a physical model of a deep reservoir. Results are also included for simulations of the circulation, temperature and dissolved oxygen concentrations for Lake Taneycomo, Missouri. Comparison of measured and computed results from both applications shows that the RMA-7 model provides reasonably accurate results for both flow circulating and water quality. (Author).
Finite Elements In Water Resources
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Author : K.-P. Holz
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-11-11
Finite Elements In Water Resources written by K.-P. Holz and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-11-11 with Science categories.
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.
Preprints Of Papers
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Author :
language : en
Publisher:
Release Date : 1980
Preprints Of Papers written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Finite element method categories.
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.
Modeling Water Resources Systems For Water Quality
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Author : R. G. Willey
language : en
Publisher:
Release Date : 1985
Modeling Water Resources Systems For Water Quality written by R. G. Willey and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with HEC-5 (Computer program) 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.
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.
Investigation Of Soil Conservation Service Urban Hydrology Techniques
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Author : Duke G. Altman
language : en
Publisher:
Release Date : 1980
Investigation Of Soil Conservation Service Urban Hydrology Techniques written by Duke G. Altman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Spanky Branch Watershed (Tex.) categories.
The application of the Soil Conservation Services (SCS) urban hydrology techniques is made to four watersheds. The parameters of the methods are obtained from standard SCS guidance and from calibration of watershed model HEC-1 using the SCS method. A modified method of determining these parameters is also recommended to SCS. Runoff parameters are then used with design storms to illustrate the differences in frequency curves which may result. (Author).
Corps Of Engineers Experience With Automatic Calibration Of A Precipitation Runoff Model
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Author : David T. Ford
language : en
Publisher:
Release Date : 1980
Corps Of Engineers Experience With Automatic Calibration Of A Precipitation Runoff Model written by David T. Ford and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Flood forecasting categories.
Computer program HEC-1, a precipitation-runoff model widely used throughout the United States, includes the capability to estimate automatically any of twelve parameters necessary to model the precipitation-runoff process and the channel routing process. The parameter estimation scheme employs Newton's method to minimize a weighted sum of squares of differences between observed and computed hydrograph values. Applications of this parameter estimation procedure are presneted, and typical steps of the procedure for deterimining optimal parameter estimates are outlined. Recent efforts to improve the estimation algorithm and recent use of the calibration capability to update sequentially parameter estimates in a flood forecasting application are discussed. (Author).
Training The Practitioner
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Author : William K. Johnson
language : en
Publisher:
Release Date : 1981
Training The Practitioner written by William K. Johnson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with categories.
The Hydrologic Engineering Center, Corps of Engineers has been training water resource professionals since 1964. The Center's training program includes training courses, workshops, seminars, individual training, a university cooperative advanced study program, video tape library and numerous publications. (Author).