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Modelling radial groundwater flow in fractured media using fracture continuum approach / Mohamed Mostafa Mohamed Ali Elkharakany ; Supervised Ahmed Emam Ahmed Hassan , Mohamed Attia Mohamed Abdelmegeed , Amr Ahmed Fadlelmawla

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Mohamed Mostafa Mohamed Ali Elkharakany , 2019Description: 86 P. : charts ; 30cmOther title:
  • نمذجة حركة المياه الجوفية للآبار فى الصخور المتشققة بإستخدام طريقة الأوساط المتصلة للتشققات [Added title page title]
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  • Issued also as CD
Dissertation note: Thesis (M.Sc.) - Cairo University - Faculty of Engineering - Department of Civil Engineering Summary: Flow simulation through fractured media using the DFN approach has computational constraints. Fracture continuum approach is much more computationally saving runtime and memory utilizing mapping discrete fractures onto finite-difference grid. In this study, a two-dimensional DFN model is solved in presence of wells in steady and transient conditions. The DFN solutions are used as reference for verification. A proposed technique is utilized for mapping the discrete fractures onto fine or coarse resolutions in steady and transient conditions. The DFN and the grid-based models are solved in a stochastic framework. A grid-conductivity correction is presented to preserve the total flow of the original DFN in steady and transient conditions. Furthermore, a grid-porosity estimation is proposed to addresses the correct pressure transient response of the grid-based models. Drawdowns are assessed and a technique is proposed to minimize the errors of grid maximum drawdown
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Item type Current library Home library Call number Copy number Status Date due Barcode
Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.13.05.M.Sc.2019.Mo.M (Browse shelf(Opens below)) Not for loan 01010110079810000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.13.05.M.Sc.2019.Mo.M (Browse shelf(Opens below)) 79810.CD Not for loan 01020110079810000

Thesis (M.Sc.) - Cairo University - Faculty of Engineering - Department of Civil Engineering

Flow simulation through fractured media using the DFN approach has computational constraints. Fracture continuum approach is much more computationally saving runtime and memory utilizing mapping discrete fractures onto finite-difference grid. In this study, a two-dimensional DFN model is solved in presence of wells in steady and transient conditions. The DFN solutions are used as reference for verification. A proposed technique is utilized for mapping the discrete fractures onto fine or coarse resolutions in steady and transient conditions. The DFN and the grid-based models are solved in a stochastic framework. A grid-conductivity correction is presented to preserve the total flow of the original DFN in steady and transient conditions. Furthermore, a grid-porosity estimation is proposed to addresses the correct pressure transient response of the grid-based models. Drawdowns are assessed and a technique is proposed to minimize the errors of grid maximum drawdown

Issued also as CD

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