Sentences with phrase «scale simulations of»

These same data contribute to building large - scale simulations of the universe.
«The supercomputing power of Titan allowed us to perform large - scale simulations of the drug targets and to screen many potential compounds quickly,» said Helen Zgurskaya, head of OU's Antibiotic Discovery and Resistance Group, who led the study.
It also has walls, which means scientists can fill it with water and create accurate, large - scale simulations of various oceanographic scenarios.
Large - scale simulations of galaxies suggest that the halo formed at the same time as the rest of Andromeda.
The edifice, a full - scale simulation of his childhood domicile in Detroit's working - class suburb Westland, stands as a (anti--RRB- monument to Kelley as well as to the contradictory, financially depressed city that it engages.
Reagan, M. and G. Moridis, Large - scale simulation of methane hydrate dissociation along the West Spitsbergen Margin, GEOPHYSICAL RESEARCH LETTERS, VOL.
Results of a recent long - term and large - scale simulation of the collapse of the Western Antarctic Ice Sheet (WAIS) show that the destabilization of the entire ice sheet would be irreversible if current conditions don't change by 2075.

Not exact matches

Simulations of gas flows on large scales, as well as the physics of small - scale processes, support this model for DCBH formation.
Beyond HPC system - software development, additional applications for the Pi Cluster Modules include better simulation of large - scale sensor networks, with flexible I / O to connect the actual sensor devices; HPC network topology research, to improve production performance; and the internet of things.
Simulations of how large - scale cosmic structures form suggest that galaxies are connected by a vast network of dark matter, the evasive substance that makes up most of the universe's matter but interacts with regular matter only via gravity (SN Online: 10/11/17).
They used this novel simulation approach to build a model of a sperm cell that demonstrates cellular movement from individual dynein protein molecules in the tail all the way up to the whole cell, allowing them to observe how changes at the atomic level are reflected in larger - scale structures.
Additionally, the maximal magnitudes of volume current density were found to scale with the numerical resolution used in the computer simulation, which showed the expected scaling of current sheet development.
Instead, scientists at the University of Edinburgh ran large - scale computer simulations of conditions in the mantle.
These kinds of simulations show that large - scale structure could form only with the gravitational assistance of a huge amount of dark matter.
Water's behavior was tested with three different approaches: ultrafast optical measurements, which revealed the arrangement of molecules on the nanometric scale; a computer simulation on the atomic scale; and measurement of the water's surface structure and tension, which was done at the macroscopic level.
The first simulations of input - output processes will probably be small - scale too, but Gu hopes to ultimately see quantum technologies simulating how complex systems will react and evolve in real life situations.
Because the neutron decays on a time scale similar to the period for BBN, accurate simulations of the BBN era require thorough knowledge of the neutron lifetime, the average time required for a neutron to decay, but this value is still not precisely known.
(2) A complete numerical simulation of the motions taking place in the outer core would make it necessary to cover a wide range of scales with a very small time step, which is out of reach with current capabilities.
On smaller scales, however, the simulations show that around every large spiral galaxy, dark matter clumps should sculpt thousands of dwarf galaxies.
We ran a large amount of jobs to test and validate our implementation at various stages, as well as a large - scale simulation to demonstrate a practical application.»
Canup is one of the leading scientists using large - scale hydrodynamical simulations to model planet - scale collisions, including the prevailing Earth - Moon formation model.
Despite these difficulties, the detailed simulation of the entire human brain on a future supercomputer remains the aim of a large - scale scientific project.
The University of Virginia (UVA) Bay Game is a large - scale participatory simulation based on the Chesapeake Bay watershed.
This approach complements traditional forecast simulations, which are very accurate for a short period of time but lose their reliability on timescales that are required to understand the fate of the spill on the scale from days to weeks.»
«Analysis was one of the stumbling blocks for simulations at this scale,» said team member Roland Schulz, a UT postdoctoral researcher.
During its largest runs, the biomass simulation scaled to nearly 4,000 of Titan's 18,666 nodes, producing roughly 45 nanoseconds of simulation time in one day.
However, one quickly reaches the bounds of today's available computing power when large - scale experiments need to be modeled numerically while retaining all important physical effects, and exhaustive simulations of fusion reactor plasmas as a whole are still not feasible.
Specifically, UC Santa Cruz astrophysicist Brant Robertson and University of Arizona graduate student Evan Schneider (now a Hubble Fellow at Princeton University), scaled up their Cholla hydrodynamics code on the OLCF's Cray XK7 Titan supercomputer to create highly detailed simulations of galactic wind.
NCAR plans more climate simulations that include even finer - scale detail of weather processes.
Molecular dynamics (MD) simulations are widely used to study protein motions at an atomic level of detail, but they have been limited to time scales shorter than those of many biologically critical conformational changes.
Published in ACS Nano, a journal of the American Chemical Society, the study coupled atomic - scale characterization and electrical property measurements with theory - based simulation.
The ultimate objective of the collaboration is to establish a suite of tools that includes X-ray imaging and small laboratory experiments, computer - based analysis and simulation tools, as well as large - scale high - heat and wind - tunnel tests.
Ultimately, we'd like to have motion estimates on the order of 5 - 10 hertz to accurately capture the dynamic response for a wide range of infrastructure,» says David McCallen, who leads an ECP - supported effort called High Performance, Multidisciplinary Simulations for Regional Scale Seismic Hazard and Risk Assessments.
«We fully expect high - performance computers to be of critical help in our next simulations involving larger scale and more complex structures,» said Alex Song, a Stanford postdoctoral research associate, who carried out the electromagnetic simulations of these fiber structures.
The Review is a super refined weekly web publication curated by subject matter experts from Yale who summarize important research articles from leading natural and social science journals with the hope that people can make more informed decisions using latest research results.The Review launched this week and covers a wide range of topics, like this brief about climate change and biodiversity («Biodiversity Left Behind in Climate Change Scenarios»): They find that simply using the traditional classification of a species in climate change simulations can underestimate the true scale of biodiversity loss.
The study, performed by researchers in Europe and involving detailed computer simulations, shows that large - scale metamaterials can attenuate the energy and amplitude of harmful low - frequency vibrations associated with seismic shocks.
The researchers compared the results of small - scale numerical simulations of colliding rock and dust particles to the composition of meteorites.
We are surprised that Riegl and Purkis criticize our LV model for the potential hazards of applying it to management (something we don't do, or recommend), then argue for a global - scale biological introduction experiment based upon simulations from a single model (11).
«The alignments in the new data, on scales even bigger than current predictions from simulations, may be a hint that there is a missing ingredient in our current models of the cosmos,» concludes Dominique Sluse.
«These simulations do a very good job of telling you what's happening on a global scale,» Ciesla said, but many meteorites can fit into the palm of a hand.
These results were affirmed during the full - scale gas turbine test, validating the predictive accuracy of the new simulation methods developed on Titan.
Such large - scale modeling and simulation requires the heft of a supercomputer, and for this effort the team used Blue Waters at the National Center for Supercomputing Applications at the U. of I.
The observations fit well with computer simulations, and can be used to refine models of how large - scale patterns, such as the distributions of galaxies and clusters of galaxies, came to be.
At the Vienna University of Technology, theoretical models and large - scale computer simulations have been developed, in order to analyse and interpret the results.
Professor Steve Bramwell of the LCN said: «Onsager's Wien effect is of practical importance and contains beautiful physics: with computer simulations we can finally explore and expose its secrets at the atomic scale.
«Finding these animals is going to take some effort, as our computer - simulation analysis of the data showed that we need more photos from more localities just to get a better estimate of migration patterns at even regional scales,» Dr Meekan said.
«The technical details and different physics make these simulations much more complicated and difficult, but we are trying to fill the gap between small stellar - scale and large galactic - scale simulations,» Chen said, adding that he believes this study is a first of its kind.
A group of theoretical astrophysicists from the LMU led by Klaus Dolag has now, as part of the Magneticum Pathfinder project, performed a new, unique hydrodynamic simulation of the large - scale distribution of the universe's visible matter.
Because of its various collaborations and diligent work on Titan, the team was able to create some of the most realistic three - dimensional simulations of high power laser interactions with targets that are on the scale of the laser focus.
To obtain these results, different metallic structures had to be analysed in large - scale computer simulations, and the behaviour of their electrons had to be calculated.
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