NDLI: Finite element modelling of geomechanics and geoenvironmental engineering for subsurface systems

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Finite element modelling of geomechanics and geoenvironmental engineering for subsurface systems

Content Provider	Scilit
Author	Rahman, N. Abd.
Copyright Year	2020
Description	This paper describes numerical simulation study of geomechanics and groundwater contamination. The problem of coupled multiphase flow, heat and contaminant transport in a subsurface system is important in environmental engineering. For this purpose, the main objective of this study was to develop a finite element model that describes the flow of multiphase fluids, together with coupled contaminant transport in a deforming porous medium for both isothermal and nonisothermal problems. The multiphase flow model of Brooks and Corey, which express the dependence of saturation and relative permeability on capillary pressure, is presented to simulate subsurface flow and pollutant transport in the system. Subsurface flow is simulated through numerical solution of fluid mass balance equation, where the subsurface system may be either saturated, or party or completely unsaturated. The governing partial differential equation, in term of soil displacement, fluid pressure, energy balance and concentrations are fully coupled and behave non linearly but can be solved by the finite element method. Numerical implementation of the formulation is discussed and examples related to subsurface problems are used to demonstrate the model. Book Name: Unsaturated Soils for Asia
Related Links	https://api.taylorfrancis.com/content/chapters/edit/download?identifierName=doi&identifierValue=10.1201/9781003078616-30&type=chapterpdf
Ending Page	200
Page Count	6
Starting Page	195
DOI	10.1201/9781003078616-30
Language	English
Publisher	Informa UK Limited
Publisher Date	2020-09-10
Access Restriction	Open
Subject Keyword	Book Name: Unsaturated Soils for Asia Environmental Engineering Simulated Through Numerical Contaminant Coupled Equation Geomechanics Engineering Finite Differential
Content Type	Text
Resource Type	Chapter

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