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140807

Transient Groundwater Flow in Heterogeneous Geological Formations.

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Last updated: 04 Jan 2025

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Tags

Civil Engineering

Abstract

Numerical simulations of unsteady groundwater flow in homogeneous and artificially generated heterogeneous geological formations have been presented. The heterogeneous structure of the geological patterns has been generated using the coupled chain Markov model developed by Elfeki and Dekking [2001]. Solution of the governing equations is achieved through the application of a finite difference approach to the partial differential equation of unsteady groundwater flow in horizontal plane with heterogeneous properties. It has been shown that global gradient (regional gradient) magnitude variability coupled with aquifer heterogeneity generates local directional and magnitude gradient variabilities. Increasing of the storage coefficient leads to smoothing of the aquifer response in terms of hydraulic head and Darcy's velocity. However, the smoothing effect is more pronounced in the hydraulic heads when compared with Darcy's velocity. In heterogeneous aquifer presented in this study, the aquifer response in terms of hydraulic head field and the lateral Darcy's velocity are in phase with the input time series, however the longitudinal Darcy's velocity is out of phase. 

DOI

10.21608/bfemu.2021.140807

Authors

First Name

Amro

Last Name

Elfeki

MiddleName

-

Affiliation

Section Hydrology and Ecology, Department of Water Management, Faculty of Civil Engineering and Geosciences, TU Delft, The Netherlands.

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City

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Orcid

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Volume

28

Article Issue

1

Related Issue

20835

Issue Date

2003-01-01

Receive Date

2003-01-11

Publish Date

2021-01-01

Page Start

58

Page End

67

Print ISSN

1110-0923

Online ISSN

2735-4202

Article File

BFEMU_Volume 28_Issue 1_Pages 58-67.pdf

PDF . 235.7kB

Link

https://bfemu.journals.ekb.eg/article_140807.html

Detail API

https://bfemu.journals.ekb.eg/service?article_code=140807

Order

8

Type

Research Studies

Type Code

1,205

Publication Type

Journal

Publication Title

MEJ. Mansoura Engineering Journal

Publication Link

https://bfemu.journals.ekb.eg/

MainTitle

Transient Groundwater Flow in Heterogeneous Geological Formations.

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Type

Article

Created At

22 Jan 2023