When Ritu Arora noticed Madhav Gupta's talent in her ‘Introduction to Scientific Computing' course at The University of Texas at Austin last fall, she approached him to intern with her at the Texas Advanced Computing Center (TACC). Gupta, a junior studying Electrical and Computer Engineering, relished the opportunity to work with his professor, even though he had no prior experience in high performance computing (HPC).
Graphene, a one-atom-thick form of the carbon material graphite, has been hailed as a wonder material — strong, light, nearly transparent, and an excellent conductor of electricity and heat. But a number of practical challenges must be overcome before it can emerge as a replacement for silicon and other materials in microprocessors and next-generation energy devices.
Somewhere in the cosmos an ordinary galaxy spins, seemingly at slumber. Then all of a sudden, WHAM! A flash of light explodes from the galaxy's center. A star orbiting too close to the event horizon of the galaxy's central supermassive black hole is torn apart by the force of gravity, heating up its gas and sending out a beacon to the far reaches of the universe. In a universe with tens of billions of galaxies, how would we see it? What would such a beacon look like? How would we distinguish it from other bright, monumental intergalactic events, like supernovas?
Technip is an oil services company that specializes in offshore platform design, construction, and installation. Technip recently redesigned one of its floating platforms based on simulations run on Stampede. The redesign led to crucial improvements including reduced vortex- induced motion and improved stability, which will increase safety for workers and decrease the likelihood of oil spills in the future.
TACC's Ranger supercomputer helps researchers generate realistic light signals from a black hole simulation. Astrophysicists became deeply interested in black holes in the 1960s, but the idea of an event horizon was first intimated in a paper by Karl Schwarzschild published after Einstein introduced general relativity in 1915.
Building the next generation of high performance computing professionals is an important part of the mission at TACC. For the second time in as many years, TACC welcomed a new ‘cluster' of students from South Africa to Austin as they prepare for the International Supercomputing Conference (ISC) Student Cluster Competition this June.
Simulations on XSEDE/TACC supercomputers shed light on the formation, explosion of stars in the earliest galaxies. Ab initio: "From the beginning." It's a term used in science to describe calculations that rely on established mathematical laws of nature, or "first principles," without additional assumptions or special models.
Supercomputing simulations help to predict research on the fundamental nature of the universe, characteristics of subatomic particles. For the past several years, much of the attention in particle physics has focused on the Higgs Boson, so one could be forgiven for thinking that the rest of the subatomic particle world has been figured out. In fact, many open questions remain about the precise masses and decay rates and characteristics of other particles, including mesons, quarks and gluons, which make up the protons, neutrons and electrons we're familiar with.
One aspect of XSEDE's overall outreach efforts is the Student Summer Engagement program. For eight weeks, undergraduate and graduate students from universities across the U.S. are paid to work at premier supercomputing centers with some of the most advanced computing systems in the world.
Molecules are arguably the most fidgety things in the universe. Their atoms are in constant motion, making slight position adjustments in timescales that start in femtoseconds—or one quadrillionth of a second.
We know it's out there, debris from 50 years of space exploration — aluminum, steel, nylon, even liquid sodium from Russian satellites — orbiting around the Earth and posing a danger to manned and unmanned spacecraft.
Stampede, the newest supercomputer at the Texas Advanced Computing Center (TACC) and one of the most advanced scientific research instruments in the world, fills aisle after aisle of a new 11,000-square-foot data center on the J.J. Pickle Research Campus.