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.