Sentences with phrase «use of simulation models»

Elephant seal genetic variation and the use of simulation models to investigate historical population bottlenecks.

Not exact matches

Jason Crusan, director of advanced exploration systems at NASA, says the space agency already uses virtual reality technology in astronaut training and spacecraft simulations, so it was logical to extend that successful model to inspire and educate the next generation of space explorers and scientists.

Some of Cross's clients use sophisticated simulation modeling to predict sales at different price levels, but his technique doesn't have to be rocket science.

If you can find a way to harness that power on a chip, this approach can be used to run a massive number of complicated simulations and models much quicker than we've ever been able to before.

This paper investigates the significance of the mix of monetary and fiscal policies for financial stability through counterfactual simulations of three key historical episodes, using the Bank's main policy model, ToTEM (Terms - of - Trade Economic Momodel, ToTEM (Terms - of - Trade Economic ModelModel).

Consistent with the applicable accounting standards, the grant date fair value of the market - related TSR component has been determined using a Monte Carlo simulation model.

The second additional piece of analysis is a simulation exercise using a small macro-econometric model of the economy developed by Economic Research Department.

Systems analysis, elaborate simulation techniques, automated access to central data banks, information theory, game Theory, and the use of socio - economic models, often mathematically stated, all aided and abetted by the computer, make possible a massive application of data not hitherto possible.

Using its own economic simulation model, CEBR tested the knock - on effects of adding 1p to employers» NICs, paid by small and medium sized enterprises.

Dr Ryan Hossaini of Lancaster University and colleagues use simulations with a global chemical transport model to examine the sensitivity of future stratospheric chlorine and ozone levels to sustained dichloromethane growth.

Working together, they will develop and test a variety of learning experiences in which students use online simulations to model energy - releasing and energy - requiring reactions, analyze and interpret data to make predictions about energy phenomena, and use evidence from their own observations or from simplified versions of scientific articles to explain phenomena and construct and critique arguments.

Using this detailed computer model, the LROC team ran simulations to see if they could reproduce the distortions seen on the Oct. 13 image and determine the size of the meteoroid that hit the camera.

By using theoretical simulations, the researchers were able to model states of superionic ice that would be difficult to study experimentally.

«A network of artificial neurons learns to use human language: A computer simulation of a cognitive model entirely made up of artificial neurons learns to communicate through dialogue starting from a state of tabula rasa.»

When scientists use climate models for attribution studies, they first run simulations with estimates of only «natural» climate influences over the past 100 years, such as changes in solar output and major volcanic eruptions.

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.

Only now, instead of following fixed story lines and predictions assembled ahead of time, they are using computers to play what - if with an entire artificial society: an advanced type of computer simulation called an agent - based model.

Blocken has carried out computer simulations and wind tunnel measurements using models of a time trial rider and team car.

Mausumi Dikpati and her colleagues at the National Center for Atmospheric Research in Boulder, Colo., used new observations of the sun's interior and new computer simulations to model the flow of plasma, or electrically charged gas, that carry the sunspots like a conveyor belt until they become powerful enough to burst free and erupt on the sun's surface.

This critical question is addressed using simulations from climate models based on projections of future emissions of greenhouse gases and aerosols.

Using computer simulations, they modeled the response of the plasma confined in loops to the energy transported by energetic electrons.

A paper on the numerical model, titled «Snowflake melting simulation using smoothed particle hydrodynamics,» recently appeared in the Journal of Geophysical Research — Atmospheres.

* Correction, 20 February, 9:45 a.m.: This article has been updated to correct amount of temperature drop and rainfall increase, the years of the simulations, the number of WRCP models used, and results of the control simulations.

Instead of having to track all the movements of every particle in the disk using complicated computer models (so - called N - body simulations), the disk can be treated as a kind of smooth sheet that evolves over time and oscillates like a drumskin.

Dikpati used computer simulations to model the gargantuan rivers of plasma that flow across the sun's surface.

To see whether this increase in crops has influenced the region's unusual weather, researchers at the Massachusetts Institute of Technology in Cambridge used computers to model five different 30 - year climate simulations, based on data from 1982 to 2011.

Next, Dekker and the team, led by Leonid Mirny, PhD, associate professor at the Massachusetts Institute of Technology, developed sophisticated computer simulations using polymer models of the DNA molecule for the two competing theories for mitotic chromosome organization.

«By performing these 3 - D simulations, we provided a huge data set that can be used to improve the accuracy of existing 2 - D and 1 - D flood models,» Constantinescu said.

By means of building simulations and advanced calculation models, the researchers came to the conclusion that using plenty of energy is both an economic and an environmental advantage, while it is also inexpensive and green.

Therefore, they used the projective simulation model to investigate the potential of artificial learning agents in this test - bed.

The team's 3 - D simulations showed that commonly used 2 - D models may inaccurately predict some aspects of flooding, such as the time over which dangerous flood levels last at certain locations and the amount of surface area flooded.

In this study, the authors describe a computer model that can be used to calculate the probability that the presence of two Zika cases in a given area will lead to an epidemic, based on real - time simulations of all the counties in the state of Texas.

The model has already been integrated into the next generation of the global land model used for climate simulations by the NOAA Geophysical Fluid Dynamics Laboratory, a major national climate modeling center.

The study used simulations from the Community Earth System Model (CESM) run at the National Center for Atmospheric Research (NCAR) and examined warming scenarios ranging from 1.5 degrees Celsius all the way to 4 degrees Celsius (7.2 degrees Fahrenheit) by the end of the century.

In QM / MM simulations, an accurate but computationally complex and thus time - consuming quantum mechanical model is used to identify important features of the electronic structure of a chemically relevant region.

Wood scans can also be used to model sap - flow simulations, to study fungus development, and even to model the penetration of paint layers.

Canup is one of the leading scientists using large - scale hydrodynamical simulations to model planet - scale collisions, including the prevailing Earth - Moon formation model.

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.

Using a molecular dynamics code called NAMD, the team ran simulations of the wild lignin and the genetically modified lignin in a water cube, modeling the presence of the aldehydes by altering the partial charges of the oxygen and hydrogen atoms on the modified lignin's allylic site.

A team of researchers at Access, a research centre associated with the Technical University of Aachen in Germany, has developed a «common language» for modelling and simulation tools used in studying the microstructures of materials.

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.

They fed the simulation details from a previously developed hydrocode — a computational tool they used to model the fluid and solid dynamics of the impact.

This model is just the first of a full range of simulations that he hopes researchers will be able to use to develop better drugs and pacemakers.

Using numerical models and computer simulations, the researchers show how spinning particles, pushed about by the fluid flows created as each particle spins, can arrange themselves into an array of emergent macro-scale patterns.

They hooked the simulation computer to a rapid prototyping machine, commonly used by industrial engineers to build models of parts and products that are being designed.

Mena provided a mathematical model and numerical simulations of the phenomenon, but the next step — using evidence of the presence of glyphosate in Ecuador to determine whether Colombia had respected the no - spraying zone — proved more challenging.

Sandia National Laboratories researchers Michael Chandross, left, and Nicolas Argibay show a computer simulation and an ultrahigh vacuum tribometer used in friction and wear testing, which are among the tools they use in a collaborative effort that developed a model to predict the friction behavior of metals.

To reach these conclusions, the researchers used simulations from five state - of - the - art climate models to investigate how the characteristics of ARs may change under future climate change scenarios.

The new findings, based on detailed computer simulations using the best available global circulation models, are described this week in the journal Science Advances, in a paper by MIT professor of environmental engineering Elfatih Eltahir, MIT Research Scientist Eun Soon Im, and Professor Jeremy Pal at Loyola Marymount University in Los Angeles.

Now, using sophisticated climate simulations unavailable in the 1980s, two atmospheric scientists recently modeled detonation of 100 Hiroshima - size bombs in a hypothetical war between India and Pakistan.