Results 71 to 80 of about 1,374,010 (208)

A Comparative Study of Airfoil Stall Characteristics Based on Detached Eddy Simulation Incorporated with Weighted Essentially Non-Oscillatory Scheme and Weighted Compact Nonlinear Scheme

Aerospace
In this paper, the detached eddy simulation (DES) method is used to calculate the aerodynamic characteristics of NACA0015 airfoil by combining the Riemann approximate solution HLLC (Harten–Lax–van Leer Contact) with the high-order weighted essentially ...
Yan Qi, Bowen Zhong, Song Zou
doaj   +1 more source

DJ4Earth: Differentiable, and Performance‐Portable Earth System Modeling via Program Transformations

Journal of Advances in Modeling Earth Systems, Volume 18, Issue 5, May 2026.
Abstract Differentiable Earth system models (ESMs) enable powerful applications such as sensitivity analysis, gradient‐based calibration, state estimation, boundary flux inversions, uncertainty quantification, and online machine learning. Reverse‐mode automatic differentiation (AD) efficiently provides gradients for such tasks, yet models have rarely ...
William S. Moses, Gong Cheng, Valentin Churavy, Maximilian Gelbrecht, Milan Klöwer, Joseph Kump, Mathieu Morlighem, Sarah Williamson, Dhruv Apte, Paul Berg, Mosè Giordano, Christopher Hill, Nora Loose, Alexis Montoison, Sri Hari Krishna Narayanan, Avik Pal, Michel Schanen, Simone Silvestri, Greg Wagner, Patrick Heimbach   +19 more
wiley   +1 more source

Particle Size Effects on Dynamic Behavior of Heated Spheroidal Particles in Shear Flow

Chemical Engineering &Technology, Volume 49, Issue 3, March 2026.
Understanding the dynamics of nonspherical particles in shear‐driven flows is essential for a wide range of engineering applications. This study examines how confinement ratio, thermal effects, and interparticle interactions influence the migration, equilibrium positions, and rotation of nonspherical particles in such flows.
Farshad Gharibi, Dominique Thévenin
wiley   +1 more source

E-CUSP scheme for the equations of ideal magnetohydrodynamics with high order WENO Scheme

, 2012
An E-CUSP (energy-convective upwind and split pressure) scheme is developed to solve the equations of magnetohydrodynamics. Fifth order WENO reconstructions are employed to calculate the fluxes in order to achieve high order spacial accuracy.
申义庆, Zha GC, Univ Miami, Dept Phys, Coral Gables, FL 33124 USA., Huerta, MA, Huerta MA, Huerta, Manuel A, Zha, Gecheng, Shen, Yiqing   +7 more
core   +1 more source

A brief review on the convergence to steady state solutions of Euler equations with high-order WENO schemes

Advances in Aerodynamics, 2019
Weighted essentially non-oscillatory (WENO) schemes are a class of high-order shock capturing schemes which have been designed and applied to solve many fluid dynamics problems to study the detailed flow structures and their evolutions.
Shuhai Zhang, Jun Zhu, Chi-Wang Shu
doaj   +1 more source

Hybrid WENO schemes for polydisperse sedimentation models

International Journal of Computer Mathematics, 2015
Polydisperse sedimentation models can be described by a strongly coupled system of conservation laws for the concentration of each species of solids. Typical solutions for the sedimentation model considered for batch settling in a column include stationary kinematic shocks separating layers of sediment of different composition.
Guillaume Chiavassa, M. Carmen Martí, Pep Mulet   +2 more
openaire   +2 more sources

Energetics of the Upper‐Ocean Under Sea Ice: Frictional Dissipation Versus Baroclinic Production

Journal of Geophysical Research: Oceans, Volume 131, Issue 2, February 2026.
Abstract In polar regions, the presence of sea ice is known to reduce the ocean's eddy kinetic energy (EKE) by enhancing frictional dissipation at the surface. Here, using a coupled ocean—sea ice model, we discuss a mechanism that can instead increase EKE generation under sea ice and, in our simulations, compensates surface dissipation by 69% to 30 ...
Mukund Gupta, Andrew F. Thompson, Patrice Klein   +2 more
wiley   +1 more source

Novel local smoothness indicators for improving the third-order WENO scheme

, 2017
The local smoothness indicators play an important role in the performance of a weighted essentially nonoscillatory (WENO) scheme. Due to having only 2 points available on each substencil, the local smoothness indicators calculated by conventional methods
申义庆, 刘升平, 陈北, 曾方军, Yiqing Shen, Shengping Liu, Bei Chen, Fangjun Zeng   +7 more
core   +1 more source

Fourth-order gas-kinetic scheme for turbulence simulation with multi-dimensional WENO reconstruction

, 2021
In this paper, a fourth-order multi-dimensional weighted essentially non-oscillatory (WENO) reconstruction is developed, which is aiming at the complicated flows.
Xu, Kun, Cao, Guiyu, Pan, Liang
core   +1 more source

Development of a High-Order Accurate Hybrid Scheme Using the Central Flux and WENO Schemes

, 2005
A hybrid central-WENO scheme is proposed. The fifth order WENO-LF scheme is coupled with a central flux scheme at cell face. Two sub-schemes, the WENO-LF scheme and the central flux scheme, are switched by a weighting function.
김대희, 권대희
core   +1 more source