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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Dispersive estimates for the inviscid rotating stratified Boussinesq equations in the stratification-dominant three-scale limit
三尺度极限 无粘性旋转分层 Boussinesq方程 色散估计
2023/5/5
A dispersive decay estimate is proven for the linear propagator of the three-scale rotating stratified Boussinesq equations in the stratification-dominant regime. Because the phase function of that pr...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars： Dispersive estimates for the inviscid rotating stratified Boussinesq equations in the stratification-dominant three-scale limit
分层主导 三尺度极限 无粘性旋转分层 Boussinesq方程 色散估计
2023/5/5
A dispersive decay estimate is proven for the linear propagator of the three-scale rotating stratified Boussinesq equations in the stratification-dominant regime. Because the phase function of that pr...
Clever experiment documents multi-scale fluid dynamics（图）
Clever experiment documents multi-scale fluid dynamics
2017/9/4
University of Chicago physicists working in the nascent field of experimental vortex dynamics have, with unexpected help from a Sharpie marker, achieved the first measurements of an elusive but fundam...
Turbulent flow properties of large-scale vortex systems
gridfree turbulence vortex methods
2016/5/18
Large-scale computations of dynamically interacting vortex tubes forming filaments are performed with a view toward investigating their relationship to turbulent fluid flow. It is shown that the stati...
北京大学海洋研究院刘谋斌研究员撰写的专著“Particle Methods for Multi-Scale and Multi-Physics”近期由著名科技图书出版公司World Scientific出版（ISBN: 978-981-4571-69-2）。
Surrogate-based modeling and dimension reduction techniques for multi-scale mechanics problems
Multi-scale mechanics Cryogenic cavitating flow Surrogate-based modeling Active flow control Engineering system
2012/2/28
Successful modeling and/or design of engineering systems often requires one to address the impact of multiple “design variables” on the prescribed outcome. There are often multiple, competing objectiv...
Effects of information transmission delay and channel blocking on synchronization in scale-free Hodgkin–Huxley neuronal networks
Scale-free neuronal networks Information transmission delay Ion channel blocking Synchronization
2012/2/28
In this paper, we investigate the evolution of spatiotemporal patterns and synchronization transitions in dependence on the information transmission delay and ion channel blocking in scale-free neuron...
Derivation of a second-order model for Reynolds stress using renormalization group analysis and the two-scale expansion technique
Turbulent modeling Renormalization group Two-scale expansion Reynolds stress transport equation Second-order model
2012/2/29
With the two-scale expansion technique proposed by Yoshizawa, the turbulent fluctuating field is expanded around the isotropic field. At a low-order two-scale expansion, applying the mode coupling app...
Simulation of Flameless Combustion of Natural Gas in a Laboratory Scale Furnace
Flameless combustion Mild combustion Numerical simulation Diluted combustion
2009/10/10
The purpose of this study is to characterise the flameless combustion of natural gas, experimentally,and by CFD modelling with FLUENT. Measurements performed in a laboratory scale furnace are used as ...
Fractal derivative multi-scale model of fluid particle transverse accelerations in fully developed turbulence
fully developed homogeneous turbulence probability density function (PDF) anomalous diffusion power-stretched Gaussian distribution
2010/10/22
The Tsallis distribution and the stretched exponential distribution were successfully used to fit the experimental data of turbulence particle acceleration published in Nature (2001), which manifested...