Search Results - "Hamdi, A."

Nonlinear acceleration of sequential fully implicit (SFI) method for coupled flow and transport in porous media by Jiang, Jiamin, Tchelepi, Hamdi A.

“…The sequential fully implicit (SFI) method was introduced along with the development of the multiscale finite volume (MSFV) framework, and has received…”
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Image-based micro-continuum model for gas flow in organic-rich shale rock by Guo, Bo, Ma, Lin, Tchelepi, Hamdi A.

“…The physical mechanisms that control the flow dynamics in organic-rich shale are not well understood. The challenges include nanometer-scale pores and…”
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Micro-continuum Approach for Pore-Scale Simulation of Subsurface Processes by Soulaine, Cyprien, Tchelepi, Hamdi A.

“…The enormous growth in computational capabilities of recent years has made Navier–Stokes-based simulation of flow and transport in natural porous media…”
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Multiscale finite-element method for linear elastic geomechanics by Castelletto, Nicola, Hajibeygi, Hadi, Tchelepi, Hamdi A.

“…The demand for accurate and efficient simulation of geomechanical effects is widely increasing in the geoscience community. High resolution characterizations…”
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Nonlinear analysis of multiphase transport in porous media in the presence of viscous, buoyancy, and capillary forces by Li, Boxiao, Tchelepi, Hamdi A.

“…Nonlinear convergence problems in numerical reservoir simulation can lead to unacceptably large computational time and are often the main impediment to…”
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Block-partitioned solvers for coupled poromechanics: A unified framework by White, Joshua A., Castelletto, Nicola, Tchelepi, Hamdi A.

“…Coupled poromechanical problems appear in a variety of disciplines, from reservoir engineering to biomedical applications. This work focuses on efficient…”
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Multiscale formulation of frictional contact mechanics at the pore scale by Mehmani, Yashar, Castelletto, Nicola, Tchelepi, Hamdi A.

“…•Multiscale method developed for linear elastic contact mechanics at the pore scale.•Multiscale predictions are in excellent agreement with single-scale…”
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Multiscale formulation of two-phase flow at the pore scale by Mehmani, Yashar, Tchelepi, Hamdi A.

“…Direct numerical simulation (DNS) of multiphase flow yields the highest fidelity predictions of pore-scale fluid dynamics in porous media. The drawback of DNS…”
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Probabilistic Forecast of Multiphase Transport Under Viscous and Buoyancy Forces in Heterogeneous Porous Media by Rajabi, Farzaneh, Tchelepi, Hamdi A.

“…We develop a probabilistic approach to map parametric uncertainty to output state uncertainty in first‐order hyperbolic conservation laws. We analyze this…”
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Multiscale formulation of pore-scale compressible Darcy-Stokes flow by Guo, Bo, Mehmani, Yashar, Tchelepi, Hamdi A.

“…Direct numerical simulation (DNS) of fluid dynamics in digital images of porous materials is challenging due to the cut-off length issue where interstitial…”
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Multiscale computation of pore-scale fluid dynamics: Single-phase flow by Mehmani, Yashar, Tchelepi, Hamdi A.

“…Direct numerical simulation (DNS) of interstitial fluid dynamics in porous media is hindered by the sheer size and complexity of the discretized equations…”
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Deficiency of Prebiotic Fiber and Insufficient Signaling Through Gut Metabolite-Sensing Receptors Leads to Cardiovascular Disease by Kaye, David M., Shihata, Waled A., Jama, Hamdi A., Tsyganov, Kirill, Ziemann, Mark, Kiriazis, Helen, Horlock, Duncan, Vijay, Amrita, Giam, Beverly, Vinh, Antony, Johnson, Chad, Fiedler, April, Donner, Daniel, Snelson, Matthew, Coughlan, Melinda T., Phillips, Sarah, Du, Xiao-Jun, El-Osta, Assam, Drummond, Grant, Lambert, Gavin W., Spector, Tim D., Valdes, Ana M., Mackay, Charles R., Marques, Francine Z.

“…BACKGROUND:High blood pressure (BP) continues to be a major, poorly controlled but modifiable risk factor for cardiovascular death. Among key Western lifestyle…”
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Trust-region based solver for nonlinear transport in heterogeneous porous media by Wang, Xiaochen, Tchelepi, Hamdi A.

“…We describe a new nonlinear solver for immiscible two-phase transport in porous media, where viscous, buoyancy, and capillary forces are significant. The flux…”
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Algebraic multiscale solver for flow in heterogeneous porous media by Wang, Yixuan, Hajibeygi, Hadi, Tchelepi, Hamdi A.

“…An Algebraic Multiscale Solver (AMS) for the pressure equations arising from incompressible flow in heterogeneous porous media is described. In addition to the…”
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Multiscale finite volume method for discrete fracture modeling on unstructured grids (MS-DFM) by Bosma, Sebastian, Hajibeygi, Hadi, Tene, Matei, Tchelepi, Hamdi A.

“…A novel multiscale method for discrete fracture modeling on unstructured grids (MS-DFM) is developed. To this end, the DFM fine-scale discrete system is…”
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Microbial Peer Pressure: The Role of the Gut Microbiota in Hypertension and Its Complications by Muralitharan, Rikeish R., Jama, Hamdi A., Xie, Liang, Peh, Alex, Snelson, Matthew, Marques, Francine Z.

“…There is increasing evidence of the influence of the gut microbiota on hypertension and its complications, such as chronic kidney disease, stroke, heart…”
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Algebraically stabilized Lagrange multiplier method for frictional contact mechanics with hydraulically active fractures by Franceschini, Andrea, Castelletto, Nicola, White, Joshua A., Tchelepi, Hamdi A.

“…Accurate numerical simulation of coupled fracture/fault deformation and fluid flow is crucial to the performance and safety assessment of many subsurface…”
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The effect of diet on hypertensive pathology: is there a link via gut microbiota-driven immunometabolism? by Jama, Hamdi A, Beale, Anna, Shihata, Waled A, Marques, Francine Z

“…Abstract Over the past decade, the immune system has emerged as an important component in the aetiology of hypertension. There has been a blooming interest in…”
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Nonlinear convergence in contact mechanics: Immersed boundary finite volume by Mehmani, Yashar, Castelletto, Nicola, Tchelepi, Hamdi A.

“…We present an immersed boundary finite volume (IBM) method for simulating quasistatic contact mechanics of linearly elastic domains at small strains. In IBM,…”
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Dissipation-based continuation method for multiphase flow in heterogeneous porous media by Jiang, Jiamin, Tchelepi, Hamdi A.

“…In reservoir simulation, solution of the coupled systems of nonlinear algebraic equations that are associated with fully-implicit (backward Euler)…”
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