Articles tagged with Supercomputing
Researchers used Titan supercomputer to compute nickel-78's nuclear structure and found it to be doubly magic, with greater stability than its neighbors. This confirms a theoretical prediction and may improve our understanding of the origin, organization, and interactions of stable matter.
Scientists found that the mechanism of splitting disulphide bonds under tensile stress changes depending on bond strength, making it harder to interpret experimental data. Quantum mechanical simulations revealed complex interactions with surrounding water molecules.
A Rice University-led team demonstrates how to improve the quality of simulations run on supercomputers by using inexact computing methods, which can reduce energy costs and maintain accuracy levels. The approach allows for significant improvements in solution quality within a fixed energy budget.
The Stanford team has built an Ising machine, a non-traditional computer that uses optical and electrical processing to solve combinatorial optimization problems. The machine has been tested on thousands of scenarios and shows promise in solving hard optimization problems that traditional computers struggle with.
The Computational Science Initiative at Brookhaven Lab will develop modeling and simulation applications for nuclear and high-energy physics, focusing on lattice quantum chromodynamics calculations and computational chemistry code NWChem. The projects aim to optimize societal impact in fields like climate science and materials science.
The Hikari supercomputer cluster uses solar panels for up to 208 kilowatts of power during the day, reducing the need for conventional AC power from the grid. This innovative system also employs high-voltage direct current (HVDC) technology, predicted to save 15% compared to traditional systems.
The US Department of Energy's Oak Ridge National Laboratory has received $39.8M in Exascale Computing Project funding to develop advanced modeling and simulation solutions for key DOE missions in science, clean energy, and national security.
Physicists at UTA have been awarded a grant to upgrade the software running on the Titan supercomputer to support data-heavy scientific applications. The new system, Big PanDA, will improve operational efficiencies and enable efficient use of computing resources for a wider range of scientific applications.
PyFR combines highly accurate numerical methods with flexible code implementation to solve complex fluid flow problems. The software achieves over 50% of Titan's theoretical peak performance, making it ideal for industries like aerospace and wind power.
The PPPL and Princeton University are participating in a high-performance computing project with the Intel Parallel Computing Center Program. The goal is to modernize the GTC-P code, which was originally developed for fusion research applications.
Researchers have successfully created a controlled beam of ultra-energized photons, or gamma rays, from a laser using simulations on the Lonestar and Stampede supercomputers. The breakthrough has potential applications in fields such as cancer treatment, cargo screening, and fundamental science studies.
A team of Russian physicists used a personal computer with GPU to solve complicated integral equations of quantum mechanics, previously only solvable with expensive supercomputers. They achieved speeds up to 15 minutes for calculations that took days on supercomputers.
NERSC is optimizing 20 leading science applications for the new Cori system, set to arrive in July. The system will feature Intel's Xeon Phi Knights Landing processor, with optimizations focusing on thread scaling, vector parallelism and on-chip MCDRAM.
Scientists simulate cuprates to understand pseudogap phase and superconductivity emergence. A team led by Thomas Maier identified a possible alternative route mediated by magnetic fluctuations, suggesting an alternative mechanism for Cooper pairing in high-temperature superconductors.
The Hawaiian-Emperor seamount chain's 60° bend is linked to motion near the Earth's core, according to a University of Sydney-Caltech collaboration. Rapid, coherent flow in the deep mantle causes changes in pile shapes, resolving a major enigma in volcanic seamount chains.
A recent study by Jacob Sherson and his team at Aarhus University found that humans excel in approaching problems heuristically and solving them intuitively, a skill computers struggle with. The research used an online game called Quantum Moves to analyze player solutions and identified common features in human intuition.
The Wrangler Supercomputer utilizes 600 terabytes of flash memory to process massive datasets, enabling scientists to analyze thousands of files quickly. This allows researchers to explore new questions and drive previously unattainable discoveries in fields such as gene analysis and building energy efficiency.
Physicists have successfully simulated a disordered quantum system on the largest supercomputers, providing new insights into the many-particle problem. The researchers used controlled experiments and computer simulations to study the behavior of materials such as high-temperature superconductors.
Ioannis Schizas is creating a sensing environment that uses simple devices to process data previously requiring a supercomputer. The network can be applied to surveillance, defense, healthcare, and environmental monitoring applications.
A team of researchers led by Prof. Nicolau has created a model bio-supercomputer that processes information quickly and accurately using parallel networks, powered by proteins present in all living cells. The device uses much less energy than traditional electronic supercomputers, making it more sustainable.
Researchers at the University of Melbourne are using supercomputers to create personalized 3D models of patients' arteries, helping cardiologists predict plaque buildup and tailor stents. This technology aims to reduce heart disease's toll by identifying high-risk plaques earlier.
Researchers at Oak Ridge National Laboratory developed a 23.7-million atom system to study the interaction of enzymes with pretreated biomass, revealing why lignin is a significant barrier to biofuel production. The simulation demonstrated that lignin binds to cellulose and attracts enzyme binding domains, hindering fermentation.
A new study using an advanced computer model casts doubt on the previously held theories about Yellowstone's origins, adding to the mystery of its formation. The simulation results showed that a mantle plume was blocked from traveling upward toward the surface by ancient tectonic plates.
The PPPL team will investigate the formation and growth of magnetic fields using the Titan Cray XK7 supercomputer, with the goal of understanding processes like Weibel instabilities and explosive magnetic reconnection. The research will also inform experiments at the National Ignition Facility.
Cheyenne will be a critical tool for researchers studying climate change, severe weather, and other important geoscience topics. The new system will help scientists lay the groundwork for improved predictions of various phenomena, including thunderstorm outbreaks and solar cycles.
The research aims to develop an efficient computational fluid dynamics code for fire suppression, including heat transfer, material flammability, and water spray dynamics. FM Global's FireFOAM simulation tool is available as open-source software to researchers studying fires and fire suppression.
Researchers at Kyoto University have discovered that hot charged particles gathering near-Earth space trigger the formation of auroral substorms and bright bursts. The study uses a supercomputer simulation to explain how the plasma rotates, creating an electrical current that discharges excess electricity.
A new method using supercomputers simulates the scattering of helium nuclei inside stars, shedding light on the formation of heavier elements. By reducing computational effort, scientists can now model complex processes involving more particles, bringing them closer to understanding the 'Holy Grail of astrophysics': oxygen creation.
Researchers used supercomputer simulations to understand how magnetic fields amplify in collapsing stars, enabling jets that power supernovae and gamma-ray bursts. The study found a dynamo process creates large-scale fields needed for these explosions.
JURECA's massive computing power of 2.2 quadrillion operations per second enables researchers in life sciences, earth system sciences, and other fields to tackle complex issues. The system's flexibility allows for various applications, including brain research, medicine, and materials research.
A new study suggests that massive magma chambers in supervolcanoes may erupt when the roof above them cracks or collapses, rather than building up internal pressure. The researchers found that the size of the magma chamber is a key factor in triggering eruptions, and that external forces such as earthquakes or faults may play a role.
Researchers have run the largest cosmological simulation to date, modeling the universe's evolution from 50 million years after the Big Bang to the present day. The Q Continuum simulation provides new insights into dark energy and galaxy formation, with data analysis ongoing for several years.
A team of researchers is using the Cray XK7 Titan supercomputer to simulate hundreds of millions of red blood cells in an attempt to develop better drug delivery methods and predictors for diseases like sickle cell anemia. The simulations are focused on understanding how these diseases interact with human blood vessels, particularly in...
Researchers at ETH Zurich improve nanoscale component simulations using the Oak Ridge Leadership Computing Facility's Cray XK7 Titan supercomputer. The team achieves significant reductions in simulation time, enabling accurate modeling of 10,000 atoms and paving the way for next-generation hardware development.
New research reveals the three-dimensional structure of supercoiled DNA, showing it forms multiple shapes, including figure-8s and handcuffs. The study challenges the traditional Watson-Crick double helix structure, suggesting a dynamic nature that helps explain how a meter of DNA can fit in a human cell.
Scientists have successfully simulated significant parts of the LHC-II molecule using supercomputers, proving that theories align with reality. This breakthrough enables understanding of reactions during early stages of photosynthesis for the first time.
New supercomputer models capture normal human heart valves' behavior and their replacements, helping doctors make more durable repairs. The models can simulate the effects of realistic blood flow on heart valve tissue, allowing for better understanding of valve failure mechanisms.
Researchers constructed an atomic model of an immature retrovirus, revealing key structural features and a six-helix bundle domain that may be a target for blocking the virus. This breakthrough could lead to the development of new anti-retroviral drugs.
The study provides insight into the mechanism of water transitioning from a liquid to a crystalline solid. It also explores the origin of two different crystalline shapes that ice can take at ambient pressure, shedding light on why cubic ice is favored over hexagonal ice during initial stages of nucleation.
A new study using high-resolution simulations suggests that there are far fewer faint galaxies than previously thought. The Renaissance Simulations, conducted on the Blue Waters supercomputer, show hundreds of well-resolved galaxies and provide novel predictions for the James Webb Space Telescope.
A new NASA supercomputer simulation of the planet and debris disk around Beta Pictoris reveals that the planet's motion drives spiral waves throughout the disk, causing collisions among orbiting debris. The patterns in these collisions account for many observed features that previous research has struggled to explain.
Scientists at Jülich have developed a new concept for compact terahertz sources with tunable wavelengths using short-pulse lasers and strong external magnetic fields. This technology has the potential to revolutionize various applications, including non-invasive cancer screening and ultrafast wireless connections.
Scientists used seismic data from 227 East Asia earthquakes to image depths up to 900 kilometers, revealing hidden structures like a high velocity colossus beneath the Tibetan plateau and a deep mantle upwelling in Mongolia. The study could help find hidden hydrocarbon resources and explore the Earth's interior.
Researchers employ Surface Extraction for TIN-based Searchspace Minimization (SETSM) software to produce high-resolution digital surface maps for Nepal's relief effort. These maps will aid in mapping infrastructure, rescues, and slope stability assessments.
Recent NuSTAR observations of supernova SN 1987A confirm the predicted lopsided nature of stellar giant deaths, with most material moving away from the observer. This finding supports supercomputer simulations that assume asymmetrical core collapse and could help solve the mystery of dual black hole and neutron star formation.
The Ohio Supercomputer Center has dedicated the Ruby Cluster, a high-performance computing system built with HP-Intel Xeon Phi technology, to honor Ruby Dee. The cluster boasts an estimated peak performance of 144 TeraFLOPS and will support research collaboration, commercialization, and workforce development across Ohio.
A Clemson University study found that universities with locally available supercomputers were more efficient in producing research in critical fields such as chemistry and civil engineering. The study used data from the National Research Council survey of 212 institutions, including 177 universities with high or very high research levels.
Researchers used supercomputers to analyze a biomolecular interaction that behaves like a Chinese Finger Trap puzzle. The study identified the nature of cellulosomal proteins' adhesion complex, showing extreme resistance to force, and boosted efforts to develop catalysts for biofuel production from non-food waste plants.
A global genome study using the Gordon supercomputer has revealed new relationships among birds, with over 10,000 species analyzed. The study's findings have significant implications for understanding evolution and human traits.
Researchers at MIT and UT Austin create a new class of materials for quantum spin Hall effect, enabling potential electronic devices with low losses. They used Stampede and Lonestar supercomputers to model the interactions of atoms in these novel materials, two-dimensional transition metal dichalcogenides.
Researchers have made significant breakthroughs in understanding galaxy evolution by modeling the effects of stellar activity on star formation. By running complex supercomputer simulations, they found that feedback from stars plays a crucial role in regulating galaxy growth.
The study reveals that modern birds diversified in the wake of the mass extinction that marked the end of the age of dinosaurs. The new analysis helps clarify the evolutionary relationships of major groups of birds, showing which groups share more recent ancestors and which are more distantly related to each other.
Researchers developed a 'virtual lab' to study nanocomposites, allowing for prediction of material properties based on chemical composition and processing conditions. The simulations revealed how polymers and clay particles interact, enabling the development of improved composite materials.
The NSF is investing $16M to build two new supercomputing systems, Bridges and Jetstream, which will expand computational capacity and capability for researchers nationwide. The systems will provide cloud-based and data-intensive advanced computing resources, enabling a broader swath of researchers to use advancing computing.
The HP Apollo 8000 platform uses warm water to cool its servers, reusing it to heat the building, reducing energy consumption by 74% and saving $1 million annually. The system's liquid cooling approach provides high computational density in a small space, setting a new standard for energy-efficient data centers.
Researchers at the University of California - San Diego developed SeedMe to convert labor-intensive data sharing processes into streamlined automatable ones, promoting interdisciplinary collaboration. The platform aims to provide significant time-saving benefits for researchers by enabling easy integration into existing scientific appl...
The new Competence Center for High Performance Computing in the Natural Sciences will facilitate interdisciplinary collaborations and provide improved HPC services. The center will focus on research and application optimization, with a strong emphasis on Big Data and hardware accelerators.
Researchers are leveraging parallel computing in the cloud to accelerate discovery and innovation in personalized medicine. By harnessing supercomputer powers, scientists can tackle previously infeasible problems and make groundbreaking discoveries.
Researchers developed a low-friction two-component lubricant inspired by biological lubrication, achieving a 90% reduction in friction compared to traditional polymer brushes. The new process has potential applications in piston systems, axle bearings, and hinges.
Researchers warn of a 70% increase in unhealthy summertime ozone levels across the US by 2050 due to climate change. A sharp reduction in emissions could counteract this increase, however, and reduce ozone pollution even as temperatures warm.