Supergranule aggregation for constant heat flux-driven turbulent convection

PP Vieweg, JD Scheel, J Schumacher - Physical Review Research, 2021 - APS
Turbulent convection processes in nature are often found to be organized in a hierarchy of
plume structures and flow patterns. The gradual aggregation of convection cells or granules …

Investigation of turbulent superstructures in Rayleigh–Bénard convection by Lagrangian particle tracking of fluorescent microspheres

S Weiss, D Schanz, AO Erdogdu, A Schröder… - Experiments in …, 2023 - Springer
We present spatially and temporally resolved velocity and acceleration measurements of
turbulent Rayleigh–Bénard convection (RBC) in the entire fluid sample of square horizontal …

Stability and convergence analysis of adaptive BDF2 scheme for the Swift–Hohenberg equation

H Sun, X Zhao, H Cao, R Yang, M Zhang - Communications in Nonlinear …, 2022 - Elsevier
The design, analysis and numerical simulations of a stabilized variable time-stepping
difference scheme, for the Swift–Hohenberg equation, are considered in this paper. The …

Resolved energy budget of superstructures in Rayleigh–Bénard convection

G Green, DG Vlaykov, JP Mellado… - Journal of Fluid …, 2020 - cambridge.org
Turbulent superstructures, ie large-scale flow structures in turbulent flows, play a crucial role
in many geo-and astrophysical settings. In turbulent Rayleigh–Bénard convection, for …

Symmetry transformation and dimensionality reduction of the anisotropic pressure Hessian

M Carbone, M Iovieno, AD Bragg - Journal of Fluid Mechanics, 2020 - cambridge.org
The dynamics of the velocity gradient tensor in turbulence is governed in part by the
anisotropic pressure Hessian, which is a non-local functional of the velocity gradient field …

Energy-stable finite element method for a class of nonlinear fourth-order parabolic equations

J Tian, M He, P Sun - Journal of Computational and Applied Mathematics, 2024 - Elsevier
In this paper, an energy-stable finite element method with the Crank–Nicolson type of
temporal discretization scheme is developed and analyzed for a class of nonlinear fourth …

Non-Equilibrium Oscillations Arising in Thermally Induced Convective Systems through Homodyne Dynamic Light Scattering

J López-Molina, A Moncho-Jordá… - arXiv preprint arXiv …, 2024 - arxiv.org
We use Homodyne Dynamic Light Scattering (HDLS) with a dual-laser beam setup to
investigate the drift velocities of colloidal particles immersed in a solvent exposed to …

Energy stability and convergence of variable-step L1 scheme for the time fractional Swift-Hohenberg model

X Zhao, R Yang, R Qi, H Sun - Fractional Calculus and Applied Analysis, 2024 - Springer
A fully implicit numerical scheme is established for solving the time fractional Swift-
Hohenberg equation with a Caputo time derivative of order α∈(0, 1). The variable-step L1 …

Reaction-Driven Assembly and Diffusiophoresis: Mechanisms for Control and Organization of Life-like Systems

G Häfner - 2024 - ediss.uni-goettingen.de
The interior of cells, a fundamental building block of biological systems, is a heterogeneous
environment comprised of a multitude of molecular species. Its organization in the form of …

[图书][B] Solvable one-dimensional multi-state models for statistical and quantum mechanics

R Saravanan, A Chakraborty - 2021 - books.google.com
This book highlights the need for studying multi-state models analytically for understanding
the physics of molecular processes. An intuitive picture about recently solved models of …