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Monday, August 3, 2020 | History

2 edition of Finite element simulation of saturated-unsaturated subsurface flow found in the catalog.

Finite element simulation of saturated-unsaturated subsurface flow

George E. Blandford

Finite element simulation of saturated-unsaturated subsurface flow

by George E. Blandford

  • 14 Want to read
  • 24 Currently reading

Published by Water Resources Research Institute, University of Kentucky in Lexington, Ky .
Written in English

    Subjects:
  • Soil percolation -- Mathematical models.,
  • Seepage -- Mathematical models.,
  • Groundwater flow -- Mathematical models.

  • Edition Notes

    Statementby George E. Blandford, principal investigator.
    SeriesResearch report / Water Resources Research Institute, University of Kentucky -- no. 155., Research report (University of Kentucky. Water Resources Institute) -- no. 155.
    ContributionsUnited States. Dept. of the Interior.
    The Physical Object
    Paginationx, 61 p. :
    Number of Pages61
    ID Numbers
    Open LibraryOL14263752M

    The finite element method (FEM), or finite element analysis (FEA), is a computational technique used to obtain approximate solutions of boundary value problems in engineering. Boundary value problems are also called field problems. The field is the domain of interest . Improved three-dimensional finite-element techniques for field simulation of variably saturated flow and transport. Accurate three-dimensional simulations of saturated-unsaturated groundwater flow and contaminant transport in highly heterogeneous subsurface media require extreme agility in the numerical techniques of solution.

    Finite-element simulation model for saturated-unsaturated, fluid-density-dependent ground-water flow with energy transport or chemically-reactive single-species solute transport. [Reston, Va.]: U.S. Geological Survey ; Denver, Colo.: U.S. Geological Survey, Open-File Services Section, Western Distribution Branch [distributor], (OCoLC. Access-restricted-item true Addeddate Associated-names Gray, William G. (William Gurin), Boxid IA Camera Sony Alpha-A (Control).

    utilise a finite-element approximation of the governing equations for an aquifer that is subject to the intrusion of seawater. Saturated-Unsaturated TRAnsport Model (SUTRA) SUTRA is a finite-element simulation model for saturated-unsaturated, fluid-density-dependent groundwater flow with energy transport or chemically-reactive single-species solute. Finite element computing formats and solution strategies are presented to obtain a numerical solution for the coupled model. An unsaturated seepage flow process is first simulated by water–air two‐phase flow under the atmospheric pressure boundary condition to obtain the rainfall infiltration rate.


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Finite element simulation of saturated-unsaturated subsurface flow by George E. Blandford Download PDF EPUB FB2

Purchase Finite Element Simulation in Surface and Subsurface Hydrology - 1st Edition. Print Book & E-Book. ISBNBook Edition: 1. FEFLOW is an acronym of Finite Element subsurface FLOW simulation system and solves the governing flow, mass and heat transport equations in porous and fractured media by a multidimensional finite element method for complex geometric and parametric situations including variable fluid density, variable saturation, free surface(s), multispecies reaction kinetics, non-isothermal flow 3/5(1).

Partial Differential Equations in Subsurface Flow Solution Methodology Computational Methods in Subsurface Flow References 2. The Finite Element Method General Basic Concepts in Finite Element Analysis Solution of Discrete Problems Solution of Steady-State Continuum Problems Solution of Time Dependent Continuum Book Edition: 3.

Solution of Saturated-Unsaturated Flow by Finite Element or Finite Difference Methods Combined with Characteristic Technique Kang-Le Huang Department of Geology and Mining Engineering, Fuzhou University, China ABSTRACT Bslds the h!gh rmhamy, the hyperbolic featue of fbw qiauon due to a p i d m w a d y g m mW term is another important factor leading to the numerical Cited by: 2.

The finite element method is an attractive numerical method for modeling water flow in variably saturated porous media due to its flexibility in dealing with complicated geometries. It is well known that the conventional mass‐distributed finite element method suffers from numerical oscillations at the wetting front, especially for very dry Cited by: The problem of two‐dimensional nonsteady flow of water in unsaturated and partly saturated porous media is solved by a Galerkin‐type finite element approach.

Particular emphasis is placed upon the simulation of atmospheric boundaries and of water uptake by plant roots.

PETER S. HUYAKORN, GEORGE F. PINDER, Finite Element Simulation of Isothermal Flow in Porous Media, The Computational Methods in Subsurface Flow, /B, (), (). Crossref. Finite Element Simulation of Isothermal Flow in Porous Media; Introduction; General Governing Equations for Saturated Flow; Saturated Groundwater Flow; Single-Phase Oil and Gas Reservoir Simulation; Governing Equations for Variably Saturated Flow; Iterative Methods for Solving Nonlinear Equations; Fluid Flow in.

SATURATED - UNSATURATED NUMERICAL SIMULATION paperback. Book Condition: New. Ship out in 2 business day, And Fast shipping, Free Tracking number will be provided a>er the ack. Pages Number: Publisher: China Water Power Press Pub.

Date saturated - unsaturated numerical simulation. In this paper, we propose a frame work of the mixed generalized multiscale finite element method for solving subsurface flow problem in heterogeneous media.

The main contribution of this work lies on constructing a systematic enrichment for multiscale basis functions for the pressure. FEFLOW is an acronym of Finite Element subsurface FLOW simulation system and solves the governing flow, mass and heat transport equations in porous and fractured media by a multidimensional finite element method for complex geometric and parametric situations including variable fluid density, variable saturation, free surface(s), multispecies reaction kinetics, non-isothermal flow and.

This work introduces water‐air two‐phase flow into integrated surface‐subsurface flow by simulating rainfall infiltration and runoff production on a soil slope with the finite element method. The extended finite element method (XFEM) is a numerical technique based on the generalized finite element method (GFEM) and the partition of unity method (PUM).

It extends the classical finite element method by enriching the solution space for solutions to differential equations with discontinuous functions.

Finite Element Simulation in Surface and Subsurface Hydrology by Pinder, George E. & Gray, William G COVID Update J Biblio is open and shipping orders.

A 2D finite-element simulation model called SUTRA for saturated-unsaturated, fluid density-dependent groundwater flow with energy transport was developed by Voss Accurate three-dimensional simulations of saturated-unsaturated groundwater flow and contaminant transport in highly heterogeneous subsurface media require extreme agility in the numerical techniques of solution.

The primary limitations of simulating large-scale complex field problems are the available computing power, and the considerable data management effort required to calibrate, validate.

Moving finite element meshes for simulating three-dimensional transient free surface groundwater flow and transport processes. In A. Aldama et al., eds., Volume 1: Computational Methods in Subsurface Flow and Transport Problems (pp.

85– SUTRA (Saturated-Unsaturated Transport) is a computer program which can be used to simulate the movement of fluid and the transport of either energy or dissolved substances in a subsurface environment. The model employs a two-dimensional hybrid finite-element and integrated-finite-difference method to approximate the governing equations that describe the two interdependent.

The purpose of Part II is to verify the numerical model against field measurements, to compare the‐results with those obtained by a finite difference technique, and to show how the finite element method can be applied to complex but realistic two‐dimensional flow situations.

Two examples are given. Buy Finite Element Simulation in Surface and Subsurface Hydrology on FREE SHIPPING on qualified orders Finite Element Simulation in Surface and Subsurface Hydrology: G.

Pinder: : Books. SUTRA (Saturated-Unsaturated Transport) is a computer program which simulates fluid movement and the transport of either energy or dissolved substances in a subsurface environment.

The model employs a two-dimensional hybrid finite-element and integrated-finite-difference method to approximate the governing equations that describe the two.Brand new Book. FEFLOW is an acronym of Finite Element subsurface FLOW simulation system and solves the governing flow, mass and heat transport equations in porous and fractured media by a multidimensional finite element method for complex geometric and parametric situations including variable fluid density, variable saturation, free surface(s.Numerical Simulation of Flow and Chemical Transport in Integrated Surface-Subsurface Hydrologic Systems.

Ph.D. Thesis in Earth Sciences, University of Waterloo, Waterloo, Ontario, Canada, pp.