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New Seaborg post-doc fellow joins CRD

December 1, 2006

Armed with a Ph.D in applied mathematics from the University of Cambridge and a thirst to “broaden his horizon,” Andy Aspden has joined Berkeley Lab as part of the inaugural class for the Glenn T. Seaborg Postdoctoral Fellowships.

Aspden will work with John Bell, leader of the Center for Compu- tational Sciences and Engineering in CRD, to expand on his research in fluid dynamics. Aspden, who began his appointment last month, met Bell three and a half years ago when Bell was collaborating with his Ph.D advisor, N. Nikiforakis.

“I was interested in working with John, and this opportunity for the fellowship came up,” said Aspden.

Aspden is one of the two people awarded the 2006 Seaborg fellowships, which enable “outstanding recent Ph.D recipients” to carry out research in any Lab division for three years. Aside from receiving a salary, a Seaborg fellow also gets a $20,000 annual research grant.

“I was very impressed by Andy’s work at Cambridge,” Bell said. “His work addressed fundamental topics in computational fluid dynamics that play a key role across a number of application areas. I know he will enjoy being part of LBNL’s computational science research activities.”

Aspden, who hadn’t worked or lived abroad before the fellowship appointment, has earned degrees and conducted research at prestigious universities. Aside from Cambridge, Aspden attended the University of Oxford for four years and graduated with a master’s degree in mathematics in 2002. Oxford awards the degree to students who combine their undergraduate and master’s work in four years.

The Briton’s talent for math emerged early in life. Aspden won local and national awards for mathematics while he was at Rainford High School in St. Helens, United Kingdom. At Oxford, he scored well on an exam and won a scholarship that helped to pay for his remaining three years at the university.

His doctoral work, titled “Monotone Inte- grated Large Eddy Simulation of Buoyant Turbulent Jets,” examined the behaviors of different types of turbulent flows. The study of turbulence combines computer simulations, mathematical models and experiments to understand the broad range of scales that characterize the flow of liquids and gases.

As a fellow, Aspden plans to build on his previous study and work closely with Bell, who is well known for his research in computational fluid dynamics, particularly in the area of turbulent combustion.

Outside of work, Aspden enjoys playing soccer, pool and piano. His wife, Julie, is a post- doc at UC Berkeley’s Department of Molecular and Cell Biology.

About Computing Sciences at Berkeley Lab

The Lawrence Berkeley National Laboratory (Berkeley Lab) Computing Sciences organization provides the computing and networking resources and expertise critical to advancing the Department of Energy's research missions: developing new energy sources, improving energy efficiency, developing new materials and increasing our understanding of ourselves, our world and our universe.

ESnet, the Energy Sciences Network, provides the high-bandwidth, reliable connections that link scientists at 40 DOE research sites to each other and to experimental facilities and supercomputing centers around the country. The National Energy Research Scientific Computing Center (NERSC) powers the discoveries of 6,000 scientists at national laboratories and universities, including those at Berkeley Lab's Computational Research Division (CRD). CRD conducts research and development in mathematical modeling and simulation, algorithm design, data storage, management and analysis, computer system architecture and high-performance software implementation. NERSC and ESnet are DOE Office of Science User Facilities.

Lawrence Berkeley National Laboratory addresses the world's most urgent scientific challenges by advancing sustainable energy, protecting human health, creating new materials, and revealing the origin and fate of the universe. Founded in 1931, Berkeley Lab's scientific expertise has been recognized with 13 Nobel prizes. The University of California manages Berkeley Lab for the DOE’s Office of Science.

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