Propagation of Water Pressure Fluctuations in Aquifers

Propagation of Water Pressure Fluctuations in Aquifers

This paper deals with the propagation of water pressure fluctuations inaquifers, as a coupled stress-flow problem. A plane-strain formulation in terms of the method of finite elements is made, with due allowance for the compressibility of pore fluid. Closed-form solutions under simplified situations...

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Veröffentlicht in:PROCEEDINGS OF CIVIL ENGINEERING IN THE OCEAN 1992, Vol.8, pp.421-426
Hauptverfasser: Sekiguchi, Hideo, Namikawa, Tutomu, Ohta, Seiji
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Sprache:eng
Schlagworte:
aquifer
FEM
oscillatory pressure
phase lag
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container_title PROCEEDINGS OF CIVIL ENGINEERING IN THE OCEAN
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creator Sekiguchi, Hideo
Namikawa, Tutomu
Ohta, Seiji
description This paper deals with the propagation of water pressure fluctuations inaquifers, as a coupled stress-flow problem. A plane-strain formulation in terms of the method of finite elements is made, with due allowance for the compressibility of pore fluid. Closed-form solutions under simplified situations are given also to focus the importance of the drainage condition at the landward end of an aquifer. The predicted performances using those analytical means are shown to compare favourably with what were measured in the laboratory for a sandy aquifer subject to water pressure oscillations from 1.5 s to 205 s.
doi_str_mv 10.2208/prooe.8.421
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1884-8265
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subjects aquifer
FEM
oscillatory pressure
phase lag
title Propagation of Water Pressure Fluctuations in Aquifers
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