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三亚国际数学论坛：Modeling,Analysis,Simulations and Applications of Inter-Facial Dynamics and FSI Problems
三亚国际数学论坛 Modeling Analysis Simulations Applications Inter-Facial Dynamics and FSI Problems
2017/11/24
The focus of the workshop will be on mathematical modeling and analysis of interface dynamics problems, and fluid interaction problems, the theory and analysis of the related partial differential equa...
Convergence Acceleration of High Order Numerical Simulations using a Hybrid Spectral Di
Numerical Algorithms Computational Fluid Dynamics Spectral Di
2015/7/3
The goal of this paper is to show how numerical simulations of uid ow using high order methods for unstructured meshes can be sped up using a hybrid multigrid method. In our work we accelerate the ste...
Three-Dimensional Unsteady Multi-stage Turbomachinery Simulations using the Harmonic Balance Technique
Three-Dimensional Unsteady Multi-stage Turbomachinery Simulations Harmonic Balance Technique
2015/7/2
In this paper, we propose an extension of the Harmonic Balance method for three dimensional, unsteady, multi-stage turbomachinery problems modeled by the Unsteady Reynolds-Averaged Navier-Stokes (URAN...
Power Evaluation for Flutter-based Electromagnetic Energy Harvester using CFD Simulations
Flutter CFD simulation aerodynamic instability energy harvesting electromagnetic
2015/6/30
Structural instability caused by self exciting aerodynamic forces (flutter) can be used as an effective input source for small scale energy harvesters. The self exciting aerodynamic force exerted on a...
Reducing numerical diffsion in interfacial gravity wave simulations
interfacial gravity wave miscible advection universal limiter TVD Boussinesq
2015/6/30
We demonstrate how the background potential energy is an excellent measure of the eective numerical diusion or antidiffusion of an advection scheme by applying several advection schemes to a standin...
Consistent discretization for simulations of flows with moving generalized curvilinear coordinates
finite-volume method scalar transport incompressible flow CWC curvilinear coordinate
2015/6/30
We develop a consistent discretization of conservative momentum and scalar transport for the numerical simulation of flow using a generalized moving curvilinear coordinate system. The formulation guar...
Sensitivity analysis of three-dimensional salinity simulations in North San Francisco Bay using the unstructured-grid SUNTANS model
Unstructured grid Numerical diffusion Scalar advection scheme Turbulence model Grid resolution
2015/6/30
The unstructured-grid SUNTANS model is applied to San Francisco Bay using a grid with an average resolution of 50 m. This accurately resolves tidal hydrodynamics in a domain that extends from the Paci...
Role of kinetic transport coefficients for hydrodynamic simulations of granular flow
Role of kinetic transport coefficients hydrodynamic simulations of granular flow Fluid Dynamics
2012/4/20
A numerical study is presented to assess the performance of two different models of kinetic transport coefficients for granular materials, namely the Jenkins-Richman theory for moderately dense, quasi...
Mesoscopic Simulations of Electroosmotic Flow and Electrophoresis in Nanochannels
Dissipative Particle Dynamics slip length electrolytes electroosmotic flow electrophoresis microfluidics
2012/4/20
We review recent dissipative particle dynamics (DPD) simulations of electrolyte flow in nanochannels. A method is presented by which the slip length $delta_B$ at the channel boundaries can be tuned sy...
Realistic time-scale fully atomistic simulations of surface nucleation of dislocations in pristine nanopillars
Dislocations Molecular Dynamics Atomistic simulation Nucleation Activation Energy
2012/2/27
We use our recently proposed accelerated dynamics algorithm (Tiwary and van de Walle, 2011) to calculate temperature and stress dependence of activation free energy for surface nucleation of dislocati...
Kinematic dynamo simulations of von Kármán flows: application to the VKS experiment
application to the VKS experiment von Karman flows
2011/8/31
The VKS experiment has evidenced dynamo action in a highly turbulent liquid sodium von Karman ow [R. Monchaux et al., Phys. Rev. Lett. 98, 044502 (2007)]. However, the existence and the onset of a d...
Importance of Buoyancy and Chemistry Modelling in Steady RANS Simulations of Well-Ventilated Tunnel Fires
Tunnel fire Critical ventilation velocity Buoyancy modelling Chemistry modelling Steady simulations
2009/10/10
Numerical CFD simulation results are presented for well-ventilated fires in horizontal tunnels. Simulations are performed in the framework of steady Reynolds-Averaged Navier-Stokes modelling. As a tur...
Rarefied Gas Dynamics 'Fundametals,Simulations and Micrs Flows'
期刊信息
篇名
Hydrodynamic interaction of two neutrally-buoyant smooth spheres suspended in plane Poiseuille flow: the BEM simulations versus the MoR approximations
语种
英文
撰写或编译
撰写
作者
林文贤,A.L. Graham,M.S. In...