Sentences with phrase «scale simulations as»

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.
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.»
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.
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.
Large - scale simulations of galaxies suggest that the halo formed at the same time as the rest of Andromeda.
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.
«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.
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.
These effects are present in experiments as well as in large - scale simulations, so the team is able to offer a much more detailed comparison between simulation and experiment.
Method development comprises construction and analysis of mathematical models that describe complex scientific, technical as well as socio - economic processes, the development of efficient algorithms for simulation or optimization of such models, accompanying development of visualization, large scale data management and data analysis techniques, and transfer of algorithms into efficient software and high performance computing techniques.
Studies such as Otto et al. (2012) display how the numerical scale of the simulation numbers allows for clear separation between a climate with lower level of heat - trapping gases (1960s) and the recent period (2000s), such that the 2010 heat wave in western Russia was more likely to occur with the additional warming due to climate change (Figure 3).
In the future, researchers hope that advances in computing and simulation will make a full - particle simulation possible — as first - principles calculations are currently too intensive to solve small - scale magnetism for regions larger than a few thousand atoms.
Prof. Vijay Pande and his group have pioneered several areas of simulation methodology (including large - scale distributed computing via the Folding@home program, Molecular Dynamics on GPUs, and Markov State Model approaches) as well as applications of these tools to the study of protein folding.
As a NIH - NIGMS project and in collaboration with Dr. Abhi Jain at the NASA Jet Propulsion Laboratory at Caltech, we are developing the ICMD methods called Generalized Newton - Euler Inverse Mass Operator (GNEIMO) to enable long time scale and wider conformational search simulations.
Leung describes a hierarchical framework to systematically evaluate climate simulations at regional scales and insights from several studies that analyzed simulations generated as part of the hierarchy to understand discrete challenges in regional climate simulations.
These simulations helped them to understand the forces causing shifts in the jet that increase the survival of large - scale weather events, technically known as atmospheric mid-latitude synoptic waves.
Our research approach includes spacecraft observations (from missions such as Cluster, THEMIS, MMS, Parker Solar Probe, Solar Orbiter), large scale kinetic simulations, and fundamental plasma theory to understand plasma phenomena throughout the universe.
Our work would allow large - scale quantum information processing and quantum simulation on nuclear spin qubits, as well as atomic - scale imaging for biomolecules.
Today, black holes are being proposed as the magic that helps solve problems encountered in computer simulations of the development of large - scale structure — galaxies, galaxy clusters and dark matter.
With a law degree and a master's degree in instructional technology, she has expertise in learning games and simulations, multimedia, marketing communications, and instructor - led training, as well as large - scale program management and SAP implementation.
The full - scale vehicle testing and hardware - in - the - loop simulation technology and product development methodologies available to members is the same as that used by all OEMs and major suppliers around the world to develop, test and simulate vehicle dynamics, new chassis system components, engines, powertrains, drivelines, suspensions and vehicle electronic control systems.
Low Drag Exterior Optimized in scale wind tunnel and full - scale coast - down validation, the 2017 Ridgeline's aerodynamic improvements include a 15 - percent reduction in the coefficient of drag (CdA), as determined by CFD simulations.
Through the use of computational fluid dynamic (CFD) simulations as well as testing of 40 % scale models in the company's advanced wind tunnel facility in Ohio, the NSX development team fine - tuned the various body shapes, intake and exhaust vents and vehicle strakes to reduce aerodynamic drag, create downforce, maximize cooling and efficiently exhaust unwanted heat.
The virtual might also be understood as an idea of simulation in which the scales of the physical and the virtual are the same and continuous, where the «spectator» is free to move around.
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.
Born in Fort St. John, British Columbia to a Swiss father and an Aboriginal mother from the Dane - zee tribe, Jungen is well known for projects such as the Prototype for New Understanding series (1998 - 2005), where disassembled Nike Air Jordan sneakers were reconfigured into twenty - three different simulations of Northwest Coast Aboriginal masks; and Shapeshifter (2000), one from a series of three large - scale whale skeletons constructed from white plastic lawn chairs.
The effect of slightly increasing the correlation of the first lag but running the simulation as a stationary series is to slightly elongate the typical length scale of the simulated process (Isaaks and Srivastava, p196 et seq show this very elegantly).
The two former methods are dependent on the large - scale circulation variables from GCMs, and their value as a viable means of increasing the spatial resolution of climate change information thus partially depends on the quality of the GCM simulations.
Any atmosphere / ocean coupled model worth its salt should have phenomena similar to these as emergent from simulations (that is with extent and time scales similar to the real thing).
We quantify sea - level commitment in the baseline case by building on Levermann et al. (10), who used physical simulations to model the SLR within a 2,000 - y envelope as the sum of the contributions of (i) ocean thermal expansion, based on six coupled climate models; (ii) mountain glacier and ice cap melting, based on surface mass balance and simplified ice dynamic models; (iii) Greenland ice sheet decay, based on a coupled regional climate model and ice sheet dynamic model; and (iv) Antarctic ice sheet decay, based on a continental - scale model parameterizing grounding line ice flux in relation to temperature.
Finally, simulations having finer spatial detail (i.e., «downscaled» climate model projections) do not necessarily have greater accuracy than coarser - resolution simulations; they add contextual detail related to factors such as regional topography and coastlines but may still retain the same basic climatic features simulated at larger scales.
The simulations reproduce many large - scale features of the observed flows, such as equatorial superrotation on Jupiter and Saturn and equatorial subrotation on Uranus and Neptune.
Within the confines of our work with RASM and CESM, we will: (i) quantify the added value of using regional models for downscaling arctic simulations from global models, (ii) address the impacts of high resolution, improved process representations and coupling between model components on predictions at seasonal to decadal time scales, (iii) identify the most important processes essential for inclusion in future high resolution GC / ESMs, e.g. ACME, using CESM as a test bed, and (iv) better quantify the relationship between skill and uncertainty in the Arctic Region for high fidelity models.
(3) Natural as well as human - induced changes should be taken into account in climate model simulations of atmospheric temperature variability on the decade - to - decade time scale.
The model simulations are therefore taken as possibilities for future realworld climate and as such of potential value to society, at least on variables and scales where themodels agree in terms of their climate distributions (Smith 2002).
Studies such as Otto et al. (2012) display how the numerical scale of the simulation numbers allows for clear separation between a climate with lower level of heat - trapping gases (1960s) and the recent period (2000s), such that the 2010 heat wave in western Russia was more likely to occur with the additional warming due to climate change (Figure 3).
The IPCC, and the climate science community as a whole, evidently considers this observationally - based - scaling approach to be a more robust way of identifying the influence of aerosols and other inhomogeneous forcings than the almost purely climate - model - simulations - based approach used by Shindell.
We compare simulation cooling from the combined forcing to a GMT reconstruction, based on a global mean sea surface temperature reconstruction (43) that we scaled by the factor 1.84 so as to match estimated LGM cooling (ref.
The promise is that In a few more decades it will become possible to use such global [superparameterizations] to perform century - scale climate simulations, relevant to such problems as anthropogenic climate change.
Köln / Hamburg 12 May, 2014 — The German computing center for climate research DKRZ (Deutsches Klimarechenzentrum) and Bull have signed a contract for the delivery of a petaflops - scale supercomputer, as well as cooperation on climate research simulation.
You probably also noticed that for the simulated AR (1) process, the estimated time scale is consistently less than the true value (which for the simulations, is known to be exactly 5 years, or 60 months), and that the estimate decreases as lag increases.
Reichler and colleagues used weather observations and 4,000 years worth of supercomputer simulations of weather to show a surprising association between decade - scale, periodic changes in stratospheric wind patterns known as the polar vortex, and similar rhythmic changes in deep - sea circulation patterns.
Inferences on sub-continental scales are indicative rather than definitive because of the absence of locally important forcings and processes in model simulations, as well as model biases
In another recent study, NCAR researcher Jeffrey Yin used computer climate simulations to show that large - scale rain and snow storms known as frontal storms are moving polewards, driven also by global warming.
It is shown that for the «A2» business as usual scenario, every model exhibits an increase in the eddy length scale in the future compared with the simulation of 20th Century climate.
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