Results 81 to 90 of about 50,934 (264)

Large‐Scale Determination of Frontier Orbital Energies of Disordered Small‐Molecule Organic Semiconductors Using Exciplex Emission Spectra

open access: yesAdvanced Materials, EarlyView.
ABSTRACT Accurately knowing the frontier orbital energies of the structurally disordered small‐molecule organic semiconductors that are used in optoelectronic devices such as organic light‐emitting diodes is required to rationally improve their performance. Here, we show that these energies can be deduced with a large accuracy from the peak energies of
Christian B. McDonald   +7 more
wiley   +1 more source

Monte carlo simulation of siemens oncor linear accelerator with beamnrc and dosxyznrc code

open access: yesJournal of Medical Signals and Sensors, 2013
The Monte Carlo method is the most accurate method for simulation of radiation therapy equipment. The linear accelerators (linac) are currently the most widely used machines in radiation therapy centers.
Keyvan Jabbari   +3 more
doaj  

Neutron Reflectometry and Compression of Graded Hydrogel Surfaces

open access: yesAdvanced Materials Interfaces, EarlyView.
Highly‐entangled and covalently‐crosslinked hydrogels with thin and thick surface gel layers are compressed in neutron reflectometry experiments. Surface gel layer thickness dictates the extent to which the polymer network at the surface of a hydrogel collapses, while crosslinking chemistry, and therefore elastic modulus, impacts the pressure at which ...
Kathryn E. Shaffer   +12 more
wiley   +1 more source

Digital Twin of a One‐Sun‐Driven Luminescent‐Concentrator‐Assisted Planar Solar‐Pumped Fiber Laser

open access: yesAdvanced Optical Materials, EarlyView.
An experimentally‐validated digital twin of a one‐sun solar‐pumped fiber laser enables a design exhibit 13‐times higher output power at 1064 nm to be achieved. Despite its simple appearance, the multitude of choices in the design parameters make finding this improved very tedious in the lab, thus the digital twin can save significant time and effort ...
Anvarjon Sherniyozov   +2 more
wiley   +1 more source

Direct Monte Carlo simulations of accretion discs

open access: yes, 2001
We apply the Direct Simulation Monte Carlo (DSMC) method, developed originally to calculate rarefied gas dynamical problems, to study the gas flow in an accretion disc in a close binary system. The method involves viscosity and thermal conduction automatically, and can thus simulate turbulent viscosity (alpha viscosity).
Matsuda, Takuya   +2 more
openaire   +2 more sources

Scalable Task Planning via Large Language Models and Structured World Representations

open access: yesAdvanced Robotics Research, EarlyView.
This work efficiently combines graph‐based world representations with the commonsense knowledge in Large Language Models to enhance planning techniques for the large‐scale environments that modern robots will need to face. Planning methods often struggle with computational intractability when solving task‐level problems in large‐scale environments ...
Rodrigo Pérez‐Dattari   +4 more
wiley   +1 more source

Direct simulation Monte Carlo simulation of thermal fluctuations in gases

open access: yesPhysics of Fluids, 2019
Work done by the authors on the Direct Simulation Monte Carlo (DSMC) simulation of thermal fluctuation in gases is summarized here. The calculation of the gas transport properties via the Green-Kubo formulas is discussed. Results from classical trajectory DSMC simulations of molecular oxygen show how the approach can be used to validate a particular ...
Bruno, Domenico
openaire   +2 more sources

Disorder‐Induced Extremely Low Thermal Conductivity of Graphite Fluoride

open access: yesAdvanced Science, EarlyView.
This article investigates the effect of fluorination on the thermal conductivity of graphite fluoride, demonstrating the relationship between structural modification and thermal conductivity in an extreme case. The record‐low through‐plane thermal conductivity measured in exfoliated graphite fluoride flakes was found to correlate with the wide ...
Wonsik Lee   +10 more
wiley   +1 more source

Hydrodynamics and rheology of a dilute granular plane Couette flow [PDF]

open access: yesEPJ Web of Conferences
We simulate the plane Couette flow of a dilute granular gas using the Direct Simulation Monte Carlo method. We calculate relevant hydrodynamic and rheological quantities and highlight the effects of driving shear rate and inelasticity on them.
Gupta Ronak, Alam Meheboob
doaj   +1 more source

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