Sentences with phrase «numerical simulation»

In an idealized three - dimensional numerical simulation of the Northern Hemisphere winter stratosphere, doubling the CO2 concentration leads to the formation of an Arctic ozone hole comparable to that observed over Antarctica, with nearly 100 % local depletion of lower - stratospheric ozone.
Doing this renders the D = S assumption invalid, as we have an equilibrium occurring (an unstable one, but an equilibrium) without D = S being true, which leaves economists with few tools to work with aside from numerical simulation and the under - developed branch of economics dealing with complex systems analysis.
Re the loop current (147, 156), with the reminder that I'm not a climatologist, just an avid reader — this http://ctr.stanford.edu/ResBriefs03/dedietrich.pdf Center for Turbulence Research 2003 Nonlinear Gulf Stream Interaction with the western boundary current: observations and a numerical simulation
Collectively, these numerical simulation methods became known as Computational Fluid Dynamics (CFD).
My published works span many topics including convective heat transfer, radiative heat transfer, fluid mechanics, and numerical simulation.
My work on numerical simulation is at the very forefront of computational fluid dynamic (cfd) modeling.
His research group studies these interactions through numerical simulation modeling at local, regional, and global scales.
The third option is a brute - force fine - grained numerical simulation of atoms bouncing off one - another.
From that follows that whatever states the numerical simulation computes, it can not be sure that they are dynamically allowed.
Can the numerical simulation and forecasting of hurricanes be improved by accounting for these and a host of other processes involved in the dynamic, two - way interaction between sea and storm [Zhao and Chan, 2017; and H. Zhang et al., 2016]?
BTW, I am an engineer working in numerical simulation, and it was (here?)
Using numerical simulation, it is found that the proposed estimation method outperforms LS and MLS for a wide range of training SNRs.
For an American option holder to ascend to this stage, he or she needs to embrace the perspective that he or she could put into use the numerical simulation to find the probability of the integral that consequently will automatically derive an effective way of making correct and rational decisions for long life options.
This Project aims to determine through numerical simulation the effects which spacecraft launched in Norway have on the peripheral ionospheric plasma environment in the observed region.
The technological by - products of this effort, particularly in computing, aeronautics and astronautics, telecommunications, numerical simulation, and optics, have helped to give the nation an economic competitive advantage.
H2FIRST's technical goal is to develop and apply physical testing, numerical simulation and technology validation to help create low - cost, high - performance materials, components and station architectures.
As part of the study, the team from the Section of Earth and Environmental Sciences of UNIGE paired data collected using natural samples and numerical simulation.
With the aid of numerical simulation, the scientist and his team have developed a crash - optimized track design for bending stress such as might arise when a car collides head - on with a tree or is hit by another car from the side.
For the numerical simulation, the researchers constructed a «phase - field» model, which mathematically defined the phase transitions of the shell material.
A numerical simulation shows how Earth's crust (blue) is subducted and transported into the mantle (orange).
To establish their results, the team input actual, time - resolved wind speed data into a numerical simulation that determined the total amount of energy captured by a turbine over a year of operation.
Soon Thor Lim and colleagues from the A * STAR Institute of High Performance Computing found a way to combine electronic and optical effects into a single numerical simulation model.
«Based on the numerical simulation analysis and experimental testing results, we found that the embedded structures bring two benefits: higher frequency and higher output power.»
Engineers complete first comprehensive mesh - free numerical simulation of skeletal muscle tissue
MAKING WAVES The first gravitational wave signal detected by LIGO came from the merger of two black holes spiraling inward, as depicted in this numerical simulation.
But I hope that the court does not consider (and I doubt it will consider) the questionable conclusions of one atmospheric scientist based just on a numerical simulation of the atmosphere.
(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.
The team used a numerical simulation technique called finite - difference time - domain to study the performance of waveguides of different widths connected at different points on the laser.
The numerical simulation accurately predicts the branch diameters and the 1.8 - to - 2.3 range of Leonardo's exponent, Eloy reveals in a paper soon to be published in Physical Review Letters.
Further detailed experiments on a wide range of parameters, theoretical modelling and numerical simulation are still needed.
«The explanation that we came up with — which people who do numerical simulations have been suggesting for a long time — is that whatever this reservoir is with primitive helium, it must be really dense so that only the hottest, most buoyant plumes can entrain some of it to the surface,» Jackson said.
In an open access paper just published in the Physics of Plasmas journal, we investigate the beam quality for such a micro accelerator, by running complex numerical simulations.
Another paper published earlier this year presented the results of numerical simulations providing a range of possibilities for the mass and orbit for such a hypothetical planet, that could account for the observed clustering of eKBO orbits.
«We can tune the intensity and the relative phase of three different frequencies,» says Stefan Haessler, «this brings us close to the «perfect wave», which can be calculated in numerical simulations
«Three dimensional numerical simulations, taking into account the magnetohydrodynamic properties and the relativistic velocities, predict the appearance and the propagation of instabilities in the jet, which then distort it» explains Acosta.
The researchers are now working with other collaborators to benchmark their experimental results against numerical simulations of the plating process in simple model systems.
The stability of these effects was investigated and optimized by means of numerical simulations.
The researchers are now exploring whether their theoretical findings can be applied in practice to improve numerical simulations of many - body systems.
This phenomenon, observed for the first time in the laboratory, was confirmed by numerical simulations.
Using a pair of governing equations that assume swarmalators are free to move about, along with numerical simulations, the group found that a swarmalator system settles into one of five states:
By using experiments and numerical simulations, Ishikawa and Kikuchi have shown that microorganisms can ingeniously escape from a dead end by swimming.
French used numerical simulations to compute all components of the seismic waves, such as their scattering and diffraction, and tweaked the model repeatedly to fit recorded data using a method similar to statistical regression.
Zeebe and co-authors Andy Ridgwell (University of Bristol / University of California) and James Zachos (University of California) combined analyses of chemical properties of PETM sediment cores with numerical simulations of Earth's climate and carbon cycle.
Such structures are predicted by numerical simulations of matter distribution in the universe at different times through the age of the universe.
«In a nutshell, we have discovered using numerical simulations a physical regime where we would generate the highest magnetic fields ever generated on Earth.
«What we thought was the quantum speed limit based on the numerical simulations was not, in fact, the quantum speed limit,» says Sabrina Maniscalco, a theoretical physicist at the University of Turku in Finland who was not involved in the work.
To ensure accurate anatomical representation in the numerical simulations of the sprayed drug transport process, they used computed tomography (CT) scans from CRS patients and imaging software to develop anatomically realistic digital 3 - D models.
For these comparative studies I applied both simple model calculations and massive three - dimensional direct numerical simulations on supercomputers.
Although there are more traditional approaches to answering these questions — using particle accelerators, astrophysical observations, numerical simulations, and tools of condensed matter physics and chemistry — the extreme tunability and relative simplicity of ultracold matter experiments make them a compelling alternative.
Astrophysicists have since created numerical simulations of the Tunguska event to try to decide among the competing hypotheses.
a b c d e f g h i j k l m n o p q r s t u v w x y z