Search Results - "Shahin, Ghassan"

Permeability partitioning through the brittle-to-ductile transition and its implications for supercritical geothermal reservoirs by Meyer, Gabriel G., Shahin, Ghassan, Cordonnier, Benoît, Violay, Marie

“…Geothermal projects utilizing supercritical water (≥400 °C) could boost power output tenfold compared to conventional plants. However, these reservoirs…”
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Proposed policies in light of procedures adopted by Palestinian universities during emergency by Iter, Nuha, Sharabati-Shahin, Mervat, Ramahi, Refa' Jamal, Shahin, Ghassan Omar

“…Higher education in Palestine, as in other countries, suddenly found itself in the middle of the Covid19 pandemic. It was in March 2020 that the government…”
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Simulating spatial heterogeneity through a CT-FE mapping scheme discloses boundary effects on emerging compaction bands by Shahin, Ghassan, Viggiani, Gioacchino, Buscarnera, Giuseppe

“…[Display omitted] Deformation experiments on porous rocks conducted at sufficiently high confining pressure may result into localized compaction. While strain…”
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Simulating spatial heterogeneity through a CT-FE mapping scheme discloses boundary effects on emerging compaction bands by Shahin, Ghassan, Viggiani, Gioacchino, Buscarnera, Giuseppe

“…Deformation experiments on porous rocks conducted at sufficiently high confining pressure may result into localized compaction. While strain localization is…”
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Simulating spatial heterogeneity through a CT-FE mapping scheme discloses boundary effects on emerging compaction bands by Shahin, Ghassan, Viggiani, Gioacchino, Buscarnera, Giuseppe

“…Deformation experiments on porous rocks conducted at sufficiently high confining pressure may result into localized compaction. While strain localization is…”
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Simulation of localized compaction in Tuffeau de Maastricht based on evidence from X-ray tomography by Shahin, Ghassan, Papazoglou, Athanasios, Marinelli, Ferdinando, Buscarnera, Giuseppe

“…Deformation experiments with concurrent X-ray microtomography are used to characterize the mechanical properties of a high-porosity carbonate rock from Central…”
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Assessing continuum plasticity postulates with grain stress and local strain measurements in triaxially compressed sand by Hurley, Ryan C, Shahin, Ghassan, Kuwik, Brett S, Lee, Kwangmin

“…Critical state and continuum plasticity theories have been used in research and engineering practice in soil and rock mechanics for decades. These theories…”
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Experimental study of compaction localization in carbonate rock and constitutive modeling of mechanical anisotropy by Shahin, Ghassan, Papazoglou, Athanasios, Marinelli, Ferdinando, Viggiani, Gioacchino, Buscarnera, Giuseppe

“…Sedimentary rocks are inherently anisotropic and prone to strain localization. While the influence of rock anisotropy on the brittle/dilative regime has been…”
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Simulation and interpretation of compaction patterns around boreholes excavated in high-porosity rocks by Xue, Dawei, Shahin, Ghassan, Lü, Xilin, Buscarnera, Giuseppe

“…Boreholes excavated in porous rocks exhibit a variety of inelastic deformation patterns. This paper investigates how nucleation, propagation, and coalescence…”
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Strain localization criteria for viscoplastic geomaterials by Xue, Dawei, Shahin, Ghassan, Lü, Xilin, Buscarnera, Giuseppe

“…Abstract This work presents a viscoplastic localization criterion to detect quasi‐instantaneous (i.e., load‐induced) and delayed (creep‐induced) strain…”
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Simulation of heterogeneous breakage in sand based on full-field X-ray tomography measurements by Xue, Dawei, Shahin, Ghassan, Seo, Dawa, Lü, Xilin, Buscarnera, Giuseppe

“…This work investigates onset and progression of spatially distributed particle breakage in sand by taking into account heterogeneities induced by material…”
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Simulation of localized compaction in Tuffeau de Maastricht based on evidence from X-ray tomography by Shahin, Ghassan, Papazoglou, Athanasios, Marinelli, Ferdinando, Buscarnera, Giuseppe

“…Not provided…”
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Strain localization criteria for viscoplastic geomaterials by Xue, Dawei, Shahin, Ghassan, Lü, Xilin, Buscarnera, Giuseppe

“…This work presents a viscoplastic localization criterion to detect quasi‐instantaneous (i.e., load‐induced) and delayed (creep‐induced) strain localization in…”
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A study of the influence of REV variability in double-scale FEM ×DEM analysis by Shahin, Ghassan, Desrues, Jacques, Pont, Stefano Dal, Combe, Gaël, Argilaga, Albert

“…Summary In this work, the consequences of using several different discrete element granular assemblies for the representation of the microscale structure, in…”
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Viscoplastic Interpretation of Localized Compaction Creep in Porous Rock by Shahin, Ghassan, Marinelli, Ferdinando, Buscarnera, Giuseppe

“…Recent laboratory evidence shows that compaction creep in porous rocks may develop through stages of acceleration, especially if the material is susceptible to…”
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Quantifying the hierarchy of structural and mechanical length scales in granular systems by Shahin, Ghassan, Herbold, Eric B., Hall, Stephen A., Hurley, Ryan C.

“…Continuum modeling of granular media is made possible by the existence of a length scale at and above which grain-resolved properties can be meaningfully…”
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Geomechanical Modeling of Inception and Propagation of Compaction Bands in Porous Rocks by Shahin, Ghassan

“…The term compaction band identifies a rich variety of structural features of the Earth's crust that affect formations of sedimentary rocks. The most common…”
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The Role of Stratigraphy and Loading History in Generating Complex Compaction Bands in Idealized Field‐Scale Settings by Shahin, Ghassan, Torabi, Anita, Rudnicki, John, Buscarnera, Giuseppe

“…The Buckskin Gulch locality in Utah is a landmark example of compaction localization. The outcrop of this locality involves distinct stratigraphic…”
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A study of the influence of REV variability in double‐scale FEM ×DEM analysis by Shahin, Ghassan, Desrues, Jacques, Pont, Stefano Dal, Argilaga, Albert

“…Summary In this work, the consequences of using several different discrete element granular assemblies for the representation of the microscale structure, in…”
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The Role of Stratigraphy and Loading History in Generating Complex Compaction Bands in Idealized Field-Scale Settings by Shahin, Ghassan, Torabi, Anita, Rudnicki, John, Buscarnera, Giuseppe

“…The Buckskin Gulch locality in Utah is a landmark example of compaction localization. The outcrop of this locality involves distinct stratigraphic…”
Get full text