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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：A decoupled, linear, and unconditionally energy stable finite element method for a two-phase ferrohydrodynamics model
两相铁 流体动力学模型 无条件能量稳定 有限元方法
2023/4/28
In this talk, we present numerical approximations of a phase-field model for two-phase ferrofluids, which consists of the Navier-Stokes equations, the Cahn-Hilliard equation, the magnetostatic equatio...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Existence of phase transition for percolation using the Gaussian Free Field
高斯自由 伯努利渗透 相变存在
2023/5/8
In this talk, we prove that Bernoulli percolation on graph undergoes a non-trivial phase transition if the graph has bounded degrees and random walk on the graph has a heat kernel with rapid decay. Th...
IUTAM Symposium on Phase transformation in shape memory materials: modeling and applications
IUTAM Seminar Shape memory materials phase transition modeling The application
2017/12/13
IUTAM Symposium on Phase transformation in shape memory materials: modeling and applications.
IUTAM Symposium on Computational modelling of instabilities and turbulence in separated two-phase flows
IUTAM Seminar Calculation model Unstable Turbulent separation Two phase flow
2017/12/13
IUTAM Symposium on Computational modelling of instabilities and turbulence in separated two-phase flows.
Dynamics of four coupled phase-only oscillators
MEMS oscillators Nonisolated equilibria Phase-locked motion
2015/8/27
We study the dynamics of a system of four coupled phase-only oscillators. This system is analyzed using phase differ-ence variables in a phase space that has the topology of a three-dimensional torus....
Instability of one-step replica-symmetry-broken phase in satisfiability problems
Solutions random stability high energy density
2015/8/21
We reconsider the one-step replica-symmetry-breaking (1RSB) solutions of two random combina- torial problems: k-XORSAT and k-SAT. We present a general method for establishing the stability of these so...
Cam-Clay plasticity. Part V: A mathematical framework for three-phase deformation and strain localization analyses of partially saturated porous media
Cam-Clay plasticity
2015/7/1
We present a mathematical framework for deformation and strain localization analyses of partially saturated granular media using three-phase continuum mixture theory. First, we develop conservation la...
Asynchronous phase shifted electromagnetic energy harvester
Energy harvester Electromagnetic transducer Asynchronous vibration Resonance
2015/6/30
A vibration-based energy harvester is built upon the idea of transforming mechanical vibration of an inertial frame into electrical power. When the excitation frequency matches the natural frequency o...
华南理工大学流体力学与传热课件CHAPTER12 Heat transfer to fluids with phase change
华南理工大学 流体力学与传热 课件 CHAPTER12 Heat transfer to fluids with phase change
2014/7/25
华南理工大学流体力学与传热课件CHAPTER12 Heat transfer to fluids with phase change。
A Comparitive Study On The Perfermance Of The InSAR Phase Filtering Approches In The Spatial And The Wavelet Domains
WInPF Lee filter FAMM WMF Wavelet domain Interferogram SAR
2014/4/22
In this paper, we studied and tested different filtering approaches of the SAR interferograms in the spatial and wavelet domains. In the spatial domain, we applied the classic Lee filter and the Weigh...
Interdependent binary choices under social influence: phase diagram for homogeneous unbiased populations
Interdependent binary choices social influence phase diagram homogeneous unbiased populations Statistical Mechanics
2012/4/20
Coupled Ising models are studied in a discrete choice theory framework, where they can be understood to represent interdependent choice making processes for homogeneous populations under social influe...
Inhomogeneity of the phase space of the damped harmonic oscillator under Levy noise
Inhomogeneity of the phase space damped harmonic oscillator Levy noise Statistical Mechanics
2012/4/19
The damped harmonic oscillator under symmetric L\'{e}vy white noise shows inhomogeneous phase space, which is in contrast to the homogeneous one of the same oscillator under the Gaussian white noise, ...
Phase diagram and universality of the Lennard-Jones gas-liquid system
Phase diagram universality Lennard-Jones gas-liquid system
2012/2/27
The gas-liquid phase transition of the three-dimensional Lennard-Jones particles system is studied by molecular dynamics simulations. The gas and liquid densities in the coexisting state are determine...
Numerical simulation of two-dimensional Faraday waves with phase-field modelling
Numerical simulation two-dimensional Faraday waves phase-field modelling
2011/8/3
Abstract: Fully nonlinear numerical simulation of two dimensional Faraday waves between two incompressible and immiscible fluids is performed by adopting the phase-field method with the Cahn-Hilliard ...
Particle tracking for polydisperse sedimenting droplets in phase separation
particle tracking image processing droplet size distribution phase separation
2011/8/3
Abstract: When a binary fluid demixes under a slow temperature ramp, nucleation, coarsening and sedimentation of droplets lead to an oscillatory evolution of the phase separating system. The advection...