The people of stockpile stewardship are the key to LLNL’s success

Sept. 28, 2022- 
The last nuclear test, code-named Divider, took place 30 years ago, on Sept. 23, 1992. That year, President Bush declared a temporary moratorium on nuclear testing, which became permanent during the Clinton administration. This ending of the era of nuclear testing was also the beginning of stockpile stewardship. Leaders from the Department of Energy (DOE), and Lawrence Livermore, Los...

Scientific discovery for stockpile stewardship

Sept. 27, 2022- 
Scientific discovery during the Stockpile Stewardship Program maintains confidence in the nuclear deterrent without testing, brings other benefits The last nuclear test, code-named Divider, took place 30 years ago, on September 23, 1992. That year, President Bush declared a temporary moratorium on nuclear testing, which became permanent during the Clinton administration. This...

Developing technology to keep the nuclear stockpile safe, secure and reliable

Sept. 26, 2022- 
The last nuclear test, code-named Divider, took place 30 years ago, on Sept. 23, 1992. That year, President Bush declared a temporary moratorium on nuclear testing, which became permanent in 1995, during the Clinton administration. This ending of the era of nuclear testing coincided with a Presidential announcement of the beginning of stockpile stewardship. As the decision to...

LLNL-led paper reveals spacecraft geometry effects on impact simulations for NASA’s DART Mission

Sept. 20, 2022- 
NASA’s Double Asteroid Redirection Test (DART) spacecraft will crash into asteroid Dimorphos on Sept. 26, executing the first asteroid deflection test that has been years in the planning. Dimorphos, at 150 meters across, is the “moonlet” of a binary asteroid system, orbiting the larger companion asteroid, Didymos (800 meters). The momentum of the ~600 kg spacecraft, traveling at ~6 km...

Livermore researchers collect three awards among the top 100 industrial inventions

Sept. 7, 2022- 
Lawrence Livermore National Laboratory (LLNL) scientists and engineers have garnered three awards among the top 100 industrial inventions worldwide. The trade journal R&D World Magazine recently announced the winners of the awards, often called the “Oscars of invention,” recognizing new commercial products, technologies and materials that are available for sale or license for their...

Manufacturing Day webinar to highlight HPC’s impact on climate change, energy efficiency

Aug. 29, 2022- 
The High Performance Computing for Energy Innovation (HPC4EI) initiative will hold a special webinar on Oct. 7 to celebrate Manufacturing Day and provide a forum for industry experts and Department of Energy (DOE) scientists to discuss how HPC can help combat climate change and improve energy efficiency. The virtual event begins at 8 a.m. PDT and brings together panelists and speakers from...

LLNL and Case Western Reserve University to continue collaboration

Aug. 17, 2022- 
The leaders of Case Western Reserve University and Lawrence Livermore National Laboratory (LLNL) signed a memorandum of understanding (MOU) to accelerate their efforts in shared areas of excellence. After three years of growing institutional collaboration in such areas as energy, materials science and polymer processing, Case Western Reserve President Eric W. Kaler welcomed Lawrence...

LLNL team claims top AI award at international symbolic regression competition

Aug. 16, 2022- 
A Lawrence Livermore National Laboratory (LLNL) team claimed a top prize at an inaugural international symbolic regression competition for an artificial intelligence (AI) framework they developed capable of explaining and interpreting real-life COVID-19 data. Hosted by the open source SRBench project at the 2022 Genetic and Evolutionary Computation Conference (GECCO), the competition...

LLNL joins forces with supercomputing centers in Germany, the UK and the US to form IASC

Aug. 15, 2022- 
Lawrence Livermore National Laboratory (LLNL) has signed a memorandum of understanding with high performance computing (HPC) facilities in Germany, the United Kingdom and the United States, jointly forming the International Association of Supercomputing Centers (IASC). LLNL and co-founders — the Science and Technology Facilities Council (STFC) Hartree Centre, the National Center for...

Lab researchers win top award for machine learning-based approach to ICF experiments

Aug. 4, 2022- 
The IEEE Nuclear and Plasma Sciences Society (NPSS) announced a Lawrence Livermore National Laboratory (LLNL) team as the winner of its 2022 Transactions on Plasma Science (TPS) Best Paper Award for their work applying machine learning to inertial confinement fusion (ICF) experiments. In the paper, lead author Kelli Humbird and co-authors propose a novel technique for calibrating ICF...

New class of 3D-printed alloys brings more flexibility to super-strong metal parts

Aug. 3, 2022- 
Metal 3D printing is used to produce components for many commercial applications, particularly in the transportation sector, where printing methods such as laser powder bed fusion (L-PBF) can produce super-strong and ultralight complex-shaped components that cannot be manufactured with conventional techniques. But while laser-based methods enable the manufacturing of materials that can...

Research finds mechanically driven chemistry accelerates reactions in explosives

Aug. 1, 2022- 
Scientists at the Lawrence Livermore National Laboratory (LLNL) Energetic Materials Center and Purdue University Materials Engineering Department used simulations performed on the LLNL supercomputer Quartz to uncover a general mechanism that accelerates chemistry in detonating explosives critical to managing the nation’s nuclear stockpile. Their research is featured in the July 15 issue of...

LLNL researchers chart progress in architected materials that respond to external stimuli

June 23, 2022- 
Recent advances in pre-programmed architected materials could enable new functions that can evolve in response to their environments or external stimuli, according to Lawrence Livermore National Laboratory (LLNL) researchers. In a paper published by Nature Reviews Materials, LLNL researchers provide an overview of the progress made in responsive architected materials that can morph into a...

Multi-lab High Performance Storage System collaboration marks 30 years of data storage

June 9, 2022- 
Lawrence Livermore National Laboratory (LLNL) and the rest of the Department of Energy (DOE) national laboratories produce an astronomical amount of data every year. As the volume of data generated from DOE high performance computing (HPC) continues to reach increasing scales of magnitude and new levels of importance for decision-making, where does all this data go and how is it managed? ...

El Capitan testbed systems rank among top 200 of world’s most powerful computers

June 1, 2022- 
As the U.S. welcomed the world’s first “true” exascale supercomputer, three predecessor machines for Lawrence Livermore National Laboratory’s (LLNL) future exascale system El Capitan managed to rank highly on the latest Top500 List of the world’s most powerful supercomputers. Organizers announced the list at the International Supercomputing Conference in Hamburg, Germany on May 30....

LLNL and Amazon Web Services to cooperate on standardized software stack for HPC

May 26, 2022- 
Lawrence Livermore National Laboratory (LLNL) and Amazon Web Services (AWS) have signed a memorandum of understanding (MOU) to define the role of leadership-class high performance computing (HPC) in a future where cloud HPC is ubiquitous.    Under the MOU, LLNL and AWS will explore software and hardware solutions spanning cloud and on-premises HPC environments, with the goal of...

HPCIC webinar series to highlight LLNL/Hartree Center industry engagement and joint research

May 19, 2022- 
Lawrence Livermore National Laboratory (LLNL) and the United Kingdom’s Hartree Centre are launching a new webinar series intended to spur collaboration with industry through discussions on computational science, high performance computing (HPC) and data science. The first Hartree–Livermore joint webinar on Computational Science (HLCS) takes place May 24, where speakers from the Hartree...

NNSA and Cornelis Networks to collaborate on next-generation high-performance networking

May 4, 2022- 
The U.S. Department of Energy’s (DOE) National Nuclear Security Administration (NNSA) today announced the award of an $18 million contract to Cornelis Networks for collaborative research and development in next-generation networking for supercomputing systems at the NNSA laboratories The Next-Generation High Performance Computing Network (NG-HPCN) project for the NNSA’s Advanced...

HPC4Energy Innovation initiative launches new call for proposals

May 3, 2022- 
The Department of Energy (DOE) today launched the spring 2022 solicitation for the High Performance Computing for Energy Innovation (HPC4EI) initiative, seeking proposals from industry that address key energy and decarbonization-related challenges in domestic manufacturing. The latest HPC4EI funding opportunity is sponsored by the HPC4Manufacturing (HPC4Mfg) Program, one of the pillars of...

Laser-based ultrasound detects defect-producing features in metal 3D printing

April 28, 2022- 
Lawrence Livermore National Laboratory (LLNL) researchers have developed a new all-optical ultrasound technique capable of performing on-demand characterization of melt tracks and detecting formation of defects in a popular metal 3D printing process. In a paper published by Scientific Reports, Lab researchers propose a diagnostic using surface acoustic waves (SAW), generated by laser...