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September 2012

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Subject:
From:
Jyh-Ming Lien <[log in to unmask]>
Reply To:
Date:
Tue, 4 Sep 2012 17:23:13 -0400
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[Apologies for multiple postings]

Due to schedule conflict, the talk is now moved to Sept. 17,
(Monday).

Please update your calender. Looking forward to
seeing you.

Jyh-Ming

**************************************************
*
*
* GRAND Seminar
*
* http://cs.gmu.edu/~robotics/pmwiki.php/GrandSeminar
*
*
**************************************************


*Title*

Study of Transport and Dispersion of Pollutants
using Computational Fluid Dynamics


*Time/Venue*

CS conference room, ENGR 4201
Noon, Sept. 12, Wed.

*Speaker*

Fernando Camelli
Center for Computational Fluid Dynamics
GMU

*Host*

Jyh-Ming Lien

*Abstract*

The need for efficient tools to study the transport and dispersion of
chemical, biological, or nuclear (C/B/N) agents has been the center of
attention for more than a decade. The increasing computational power
combined with the improvement of algorithms has made CFD models
attractive tools to study atmospheric releases at urban scales.
However, these tools have not reached the desired rapidness yet. If the
time frame provided by the National Research Council (NRC) is
considered (immediate first response, 0 to 2 hours; early response, 2
to 12 hours; and sustained response support, greater than 12 hours),
CFD tools can be expected to perform in the two upper brackets of this
classification: early and sustained response. There have been attempts
to make CFD usable in the immediate response time, but these approaches
usually rely on the pre-calculations of the situations with
interpolated and/or the simplified geometrical details of the modeled
area. One common simplification is to consider the terrain as a flat
surface ignoring all elevation differences on the landscape.

Short bio:

Fernando E. Camelli is Assistant Professor in the School of Physics,
Astronomy and Computational Sciences at George Mason University. He
received his Ph. D. diploma in Computational Sciences and Informatics
from George Mason University in 2002. His undergraduate studies were in
the University of Buenos Aires Argentina. His research focuses in
transport and dispersion of pollutants in urban settings, and
Computational Fluid Dynamics (CFD). He developed algorithms to
integrate data in GIS format into CFD models. He has researched the
flow around the superstructure of ships for the Navy to help in the
design of the HVAC systems of ships, and he studied the flow patterns
in the landing decks of ships. He develops algorithms to preprocess the
geometry extraction of buildings and complex terrain with almost no
user interaction. He is part of the research team on the Center for
Blast Mitigation at George Mason University.

-- 
Jyh-Ming Lien
Assistant Professor, George Mason University
+1-703-993-9546

MASC Group: http://masc.cs.gmu.edu
Homepage: http://cs.gmu.edu/~jmlien

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