Results 51 to 60 of about 4,064 (207)
NORi: An ML‐Augmented Ocean Boundary Layer Parameterization
Journal of Advances in Modeling Earth Systems, Volume 18, Issue 9, September 2026.Abstract NORi is a machine learning (ML) parameterization of ocean boundary layer (BL) turbulence that is physics‐based and augmented with neural networks. NORi stands for neural ordinary differential equations Richardson number (Ri) closure. The physical parameterization is controlled by a Richardson number‐dependent diffusivity and viscosity.
Xin Kai Lee +6 more
wiley +1 more source
Review on non-polynomial high-order accuracy nonlinear weighted schemes
Kongqi donglixue xuebaoIn comparison to linear schemes, the nonlinear errors inherent in polynomial-based high-order nonlinear weighted schemes significantly affect the resolution when solving weak solutions of hyperbolic conservation laws. To mitigate this impact, researchers
Haomin Li +4 more
doaj +1 more source
Numerical study of hybrid third order compact scheme for hyperbolic conservation laws
Energy Reports, 2020 In this paper, we present a numerical study to study the capability of the radius of curvature to detect the discontinuous point for hybrid high order schemes.
Indra Wibisono, Yanuar, E.A. Kosasih
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Engineering Reports, Volume 8, Issue 8, August 2026.Numerical and analytical modeling of annular flow reveals the hydraulic performance of sustainable drilling muds formulated from Congolese kaolinitic clay, okra mucilage, and plant ashes. Yield stress enhances cuttings transport, while shear‐thinning behavior reduces pressure losses and pumping energy.
Stanislas Ulrich Berry Moukila
wiley +1 more source
A High–Order WENO Scheme Based on Different Numerical Fluxes for the Savage–Hutter Equations
Mathematics, 2022 The study of rapid free surface granular avalanche flows has attracted much attention in recent years, which is widely modeled using the Savage–Hutter equations. The model is closely related to shallow water equations.
Min Wang, Xiaohua Zhang
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Aerospace, 2023 The accurate prediction of blade tip vortices continues to be challenging for the investigation of rotor aerodynamics. In the current work, the blade tip vortex system of a Caradonna–Tung rotor in the hovering state is simulated on account of the ...
Wenbo Shi, Heng Zhang, Yuanxiang Li
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Journal of Advances in Modeling Earth Systems, Volume 18, Issue 8, August 2026.Abstract Quantifying interactions between distinct water bodies is critical yet challenging for understanding ocean and estuarine dynamics. We introduce the coincidence index (CI), defined as the product of two arbitrary tracers (a $a$, b $b$), to diagnose where two water masses coexist and mix.
Xiangyu Li +2 more
wiley +1 more source
Nuclear Engineering and Technology, 2022 Motivated by the high-resolution properties of high-order Weighted Essentially Non-Oscillatory (WENO) and flux limiter (FL) for steep-gradient problems and the robust convergence of Jacobian-free Newton-Krylov (JFNK) methods for nonlinear systems, the ...
Xiafeng Zhou +3 more
doaj +1 more source
Efficient WENO Schemes for Nonuniform Grids
Journal of Scientific ComputingAbstractA set of arbitrarily high-order WENO schemes for reconstructions on nonuniform grids is presented. These non-linear interpolation methods use simple smoothness indicators with a linear cost with respect to the order, making them easy to implement and computationally efficient.
Marti Raga, Maria del Carmen +3 more
openaire +4 more sources
WENO Reconstructions of Unconditionally Optimal High Order
SIAM Journal on Numerical Analysis, 2019 A modified weighted essentially nonoscillatory (WENO) reconstruction technique preventing accuracy loss near critical points (regardless of their order) of the underlying data is presented. This approach only uses local data from the reconstruction stencil and does not rely on any sort of scaling parameters.
Antonio Baeza +3 more
openaire +5 more sources