Zobrazeno 1 - 10
of 368
pro vyhledávání: '"White, Joshua P."'
Autor:
Lee, Chak Shing, Hamon, François P., Castelletto, Nicola, Vassilevski, Panayot S., White, Joshua A.
A full approximation scheme (FAS) nonlinear multigrid solver for two-phase flow and transport problems driven by wells with multiple perforations is developed. It is an extension to our previous work on FAS solvers for diffusion and transport problem
Externí odkaz:
http://arxiv.org/abs/2308.00125
Autor:
Liu, Jiatu, Burr, Patrick A., White, Joshua T., Peterson, Vanessa K., Dayal, Pranesh, Baldwin, Christopher, Wakeham, Deborah, Gregg, Daniel J., Sooby, Elizabeth S., Obbard, Edward G.
U$_3$Si$_2$ nuclear fuel is corroded in deuterated steam with in situ neutron diffraction. Density functional theory is coupled with rigorous thermodynamic description of the hydride including gas/solid entropy contributions. H absorbs in the 2$b$ in
Externí odkaz:
http://arxiv.org/abs/2202.07181
Autor:
Lee, Chak Shing, Hamon, François P., Castelletto, Nicola, Vassilevski, Panayot S., White, Joshua A.
A nonlinear multigrid solver for two-phase flow and transport in a mixed fractional-flow velocity-pressure-saturation formulation is proposed. The solver, which is under the framework of the full approximation scheme (FAS), extends our previous work
Externí odkaz:
http://arxiv.org/abs/2109.07546
Publikováno v:
Int. J. Numer. Anal. Methods Geomech. 46 (2022) 841-868
Phase-field modeling -- a continuous approach to discontinuities -- is gaining popularity for simulating rock fractures due to its ability to handle complex, discontinuous geometry without an explicit surface tracking algorithm. None of the existing
Externí odkaz:
http://arxiv.org/abs/2105.14663
We examined the sensitivity of African easterly waves (AEWs) to elevated terrain over North Africa using a numerical weather prediction model. We formed five ensembles of simulated AEW activity with orographic features independently reduced in four k
Externí odkaz:
http://arxiv.org/abs/2103.08350
Autor:
Bui, Quan M., Hamon, Francois P., Castelletto, Nicola, Osei-Kuffuor, Daniel, Settgast, Randolph R., White, Joshua A.
Many subsurface engineering applications involve tight-coupling between fluid flow, solid deformation, fracturing, and similar processes. To better understand the complex interplay of different governing equations, and therefore design efficient and
Externí odkaz:
http://arxiv.org/abs/2101.11649
We present a hybrid mimetic finite-difference and virtual element formulation for coupled single-phase poromechanics on unstructured meshes. The key advantage of the scheme is that it is convergent on complex meshes containing highly distorted cells
Externí odkaz:
http://arxiv.org/abs/2010.15470
Autor:
White, Joshua Dylan, Aiyyer, Anantha
We examine the group dynamic of African easterly waves (AEW) generated in a realistic, spatially non-homogeneous African easterly jet (AEJ) using an idealized general circulation model. Our objective is to investigate whether the limited zonal extent
Externí odkaz:
http://arxiv.org/abs/2009.08604
Publikováno v:
Int. J. Numer. Anal. Methods Geomech. 45 (2021) 502-520
Viscoplastic deformation of shale is frequently observed in many subsurface applications. Many studies have suggested that this viscoplastic behavior is anisotropic---specifically, transversely isotropic---and closely linked to the layered composite
Externí odkaz:
http://arxiv.org/abs/2008.10910
In fractured natural formations, the equations governing fluid flow and geomechanics are strongly coupled. Hydrodynamical properties depend on the mechanical configuration, and they are therefore difficult to accurately resolve using uncoupled method
Externí odkaz:
http://arxiv.org/abs/2007.05069