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InTheLoop | 07.30.2012

July 30, 2012

Director Alivisatos to Hold Aug. 8 Town Hall Meeting on DOE's Early Career Research Program

Employees interested in submitting proposals for DOE's 2013 Early Career Research Program are strongly encouraged to attend a Town Hall meeting with Lab Director Paul Alivisatos from noon to 1:30 p.m. Wednesday, August 8, in the Bldg. 50 Auditorium. For more information on the program, visit the Lab's website at: http://www.lbl.gov/dir/earlycareer/

The Early Career Research Program, now in its fourth year, supports the development of individual research programs of outstanding scientists early in their careers. The Office of Science is inviting proposals for support under the Early Career Research Program in the following program areas: Advanced Scientific Computing Research (ASCR); Biological and Environmental Research (BER); Basic Energy Sciences (BES), Fusion Energy Sciences (FES); High Energy Physics (HEP), and Nuclear Physics (NP).

The minimum award size is $500,000 per year over five years. Investigators are encouraged to propose research expenditures as close to this funding minimum as possible. A minimum of 50 percent and up to 100 percent of the principal investigator's salary should be proposed.

Preproposals are required and must be submitted by 5 p.m. Wednesday, September 6, 2012 (Eastern time). The preproposal should be created as a pdf file and submitted electronically through the DOE Office of Science Portfolio Analysis and Management System (PAMS) website at https://pamspublic.science.energy.gov/. Read more.

Staff Invited to Attend Aug. 2 Poster Session Featuring CS Summer Students

Students who have spent their summer working in Computing Sciences will be presenting posters describing their work in a session to be held from 2:30-5 p.m. Thursday, Aug. 2, in Perseverance Hall (Bldg. 54-0130). All CS staff are invited to attend and learn more about the scope of work done by the students. The posters will remain on display in the cafeteria on Friday, Aug. 3.

This year, prizes will be awarded to students for Best Overall, Most Innovative, and Most Original posters. For more information, contact Teresa Montero at x7181 or tmontero@lbl.gov.

COSMOS Computer Security, Privacy and Cybervillainy Cluster Visits Berkeley Lab

On July 24, Berkeley Lab Computing Sciences hosted some two dozen students from the California State Summer School for Mathematics and Science, or COSMOS. A month-long summer program for high school students who excel at math and science, COSMOS allows participants to take subject-specific classes taught by UC faculty and researchers.

The visiting students were from the Computer Security, Privacy and Cybervillainy cluster, which was partly taught by Sean Peisert of CRD's Complex Systems Group. As part of the Berkeley Lab tour, the students visited the NERSC facility where they got to see some of the world's fastest supercomputers; they learned about NERSC's and Berkeley Lab cybersecurity, and toured the Advanced Light Source Speakers and Tour guides for the day included Jonathan Carter, Jim Mellander, Richard Gerber, David Turner, David Skinner, Jay Kous, Thomas Knight, Thomas Scarvie and Linda Vu.

KTVU Channel 2 News: Michael Wehner Talks About Greenland's Melting Ice Sheets

Berkeley Lab Climate Scientist Michael Wehner talks to KTVU Channel 2's heath and science reporter John Fowler about heatwaves and Greenland's melting ice sheets. The graphics shown in the segment were created by CRD's Dan Martin. View the segment by clicking on the small image with a red map of Greenland and the tagline San Francisco: Scientists say ... at: http://www.ktvu.com/videos/lifestyles/health/john-fowler-reports/lZb/

Earth System Grid Federation: A Modern Day "Silk Road" for Climate Data Powered by ESnet

Approximately 25,000 researchers from 2,700 sites in 19 different countries are sharing data and tools via the Earth System Grid Federation (ESGF). Engineers from DOE's ESnet are working to ensure that this information travels reliably from end-to-end. Read more.

Peter Nugent's Lecture to Summer School on AstroComputing Now Online

Peter Nugent, co-leader of CRD's Computational Cosmology Center, was a guest speaker at the 2012 International Summer School on AstroComputing, held July 9-20 at UC San Diego. A video of Nugent's lecture on "The Big Data Revolution in Astrophysics: A Case Study of the Palomar Transient Factor" is now posted at: http://www.youtube.com/watch?v=wuu6lc_Ebgs

This Week's Computing Sciences Seminar

PLUTO-CHOMBO: An Adaptive Mesh Refinement Code for Astrophysical Fluid Dynamics
Thursday, August 2, 3-4:30 p.m.
Bldg. 50F, Room 1647
Claudio Zanni, INAF - Osservatorio Astronomico di Torino, Italy

The Adaptive Mesh Refinement (AMR) implementation of the PLUTO code is illustrated. PLUTO is a modular, Godunov-type code to model supersonic flows in multiple spatial dimensions and different systems of coordinates. The PLUTO framework provides different hydrodynamic modules and multiple algorithms to solve the equations describing classical and relativistic hydrodynamics and magneto-hydrodynamics. The current release of the code exploits the distributed infrastructure of the CHOMBO library to perform parallel computations over block-structured, adaptively refined grids. After presenting the main features of PLUTO, I will illustrate the CHOMBO-AMR implementation, with particular attention to the algorithms that have been ported to the AMR version of the code.

The AMR module relies on a conservative, finite-volume, second-order approach where all the primary flow quantities are discretized at the cell-center in a fully dimensionally unsplit way. The solenoidal condition of magnetic field is enforced by augmenting the MHD/RMHD equations with a generalized Lagrange multiplier (GLM) providing, at the same time, propagation and damping of divergence errors. Efficiency and robustness are shown through multidimensional benchmarks and applications to problems of astrophysical relevance. Finally, future plans and projects will be discussed, relating both to the code development and its scientific applications.

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.

DOE’s Office of Science is the single largest supporter of basic research in the physical sciences in the United States, and is working to address some of the most pressing challenges of our time. For more information, please visit science.energy.gov.