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Tea Seminar

An analytical investigation of particle clustering in turbulence

Event Type: 
Tea Seminar
Date and Time: 
Friday, March 17, 2017 - 4:15pm
Location: 
CTR Conference Room 103
Speaker(s): 
Dr. Mahdi Esmaily-Moghadam, CTR Postdoctoral Fellow, Center for Turbulence Research, Stanford University
Abstract: 

Clustering of inertial particles plays a key role in the formation of rain to that of the planets in our early solar system. It has been known for decades that heavy tiny particles in a turbulent flow segregate spatially, forming clusters.

PyFR: High-Order Accurate Cross-Platform Petascale Computational Fluid Dynamics with Python

Event Type: 
Tea Seminar
Date and Time: 
Friday, March 10, 2017 - 4:15pm
Location: 
CTR Conference Room 103
Speaker(s): 
Dr. Freddie David Witherden, Postdoctoral Scholar, Department of Aeronautics and Astronautics, Stanford University
Abstract: 

High-order numerical methods for unstructured grids combine the superior accuracy of high-order spectral or finite difference methods with the geometrical flexibility of low-order finite volume or finite element schemes.

Prediction of pollutants in Gas Turbines using Large Eddy Simulation

Event Type: 
Tea Seminar
Date and Time: 
Friday, February 10, 2017 - 4:15pm
Location: 
CTR Conference Room 103
Speaker(s): 
Thomas Jaravel, CTR Postdoctoral Fellow, Stanford University
Abstract: 

Stringent regulations of pollutant emissions now apply to new-generation combustion devices. To achieve low nitrogen oxides (NOx) and carbon monoxide (CO) emissions simultaneously, a complex optimisation process is required in the development of new concepts for engines.

Model reduction in fluid mechanics: a short tutorial

Event Type: 
Tea Seminar
Date and Time: 
Friday, January 13, 2017 - 4:15pm
Location: 
CTR Conference Room 103
Speaker(s): 
Aaron Towne, CTR Postdoctoral Fellow, Stanford University
Abstract: 

Reduced-order models that capture the essential features of turbulent flows can be used to gain insight into the flow physics, predict quantities of interest, and provide a handle for flow-control efforts.  This talk will compare and contrast a selection of empirical (data-based) and non-empirica

Fractional PDE Modeling of Anomalous Transport with Applications in Fluids

Event Type: 
Tea Seminar
Date and Time: 
Friday, November 11, 2016 - 4:15pm
Location: 
CTR Conference Room 103
Speaker(s): 
Mohsen Zayernouri, Assistant Professor of Computational Mathematics, Science, & Engineering (CMSE) and Mechanical Engineering (ME) at Michigan State University (MSU)
Abstract: 

Fractional PDE models generalize the standard (integer-order) calculus and PDEs to any differential form of fractional orders.

Bumblebees in turbulence: massively parallel numerical simulations

Event Type: 
Tea Seminar
Date and Time: 
Friday, November 4, 2016 - 4:15pm
Location: 
CTR Conference Room 103
Speaker(s): 
Professor Kai Schneider, Centre de Mathematiques et d'Informatique, Aix-Marseille Universite
Abstract: 

Insects fly even under heavy turbulent air flow conditions. To understand the impact of turbulent fluctuations on the aerodynamics of flapping wings, we model a bumblebee with fixed body and prescribed wing motion, flying in a numerical wind tunnel.

Discontinuous Galerkin method for Computational Fluid Dynamics

Event Type: 
Tea Seminar
Date and Time: 
Friday, October 28, 2016 - 4:15pm
Location: 
CTR Conference Room 103
Speaker(s): 
Dr. Yu Lv, Post-doctoral Fellow, Department of Mechanical Engineering, Stanford University
Abstract: 

In recent years, variational-formulation based high-order schemes, such as discontinuous Galerkin (DG) scheme, have demonstrated promising capabilities for CFD applications.

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