Results 81 to 90 of about 15,207 (302)

Thermal Radiation Emission From 3D Graphene Networks

open access: yesAdvanced Materials Interfaces, EarlyView.
Three‐dimensional graphene networks are demonstrated as exceptional broadband thermal emitters, exhibiting high‐intensity, spectrally homogeneous emission and strong mechanical flexibility compared to conventional emitters like silicon carbide.
Maria Chiara Paolozzi   +7 more
wiley   +1 more source

Probabilistic analysis of structures using stochastic finite elements

open access: yes, 2015
Most of the published literature in the area of uncertainty quantification of structural systems via probabilistic methods, is concerned with the representation of uncertain quantities as random fields. These types of models allow a robust representation
Uribe Castillo, Felipe
core  

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

Recent Advances of Slip Sensors for Smart Robotics

open access: yesAdvanced Materials Technologies, EarlyView.
This review summarizes recent progress in robotic slip sensors across mechanical, electrical, thermal, optical, magnetic, and acoustic mechanisms, offering a comprehensive reference for the selection of slip sensors in robotic applications. In addition, current challenges and emerging trends are identified to advance the development of robust, adaptive,
Xingyu Zhang   +8 more
wiley   +1 more source

Reliability study of uncertain structures using stochastic finite elements

open access: yes, 1990
A stochastic finite element method is developed to study the reliability of structures such as beams, columns, plates, and shells with structural uncertainties due to variabilities occurred during fabricating process.
Liaw, Der-Guang Leslie
core  

Self‐Assembled Calcite Architectures for Programmable Information Storage

open access: yesAdvanced Materials Technologies, EarlyView.
Programmable biomineralization enables the formation of 3D calcite architectures that encode information through spatially defined refractive‐index modulations. Data are written via laser‐directed mineralization, stored in stable voxelized mineral structures, and retrieved non‐destructively through optical diffraction, offering a pathway toward ultra ...
Congrui Jin   +2 more
wiley   +1 more source

Hybrid Stochastic Finite Elements and Generalized Monte Carlo Simulation

open access: yes, 1998
this paper will refer to a probablistic framework. Within this class of models, one of the most important, though elusive, issues seems to be the meaning to associate to the solution to a problem involving random media.
Roger Ghanem
core  

Maximum Entropy Probability Density Principle in Probabilistic Investigations of Dynamic Systems

open access: yesEntropy, 2018
In this study, we consider a method for investigating the stochastic response of a nonlinear dynamical system affected by a random seismic process. We present the solution of the probability density of a single/multiple-degree of freedom (SDOF/MDOF ...
Jiří Náprstek, Cyril Fischer
doaj   +1 more source

Color Center Formation in Silicon‐On‐Insulator for On‐Chip Photonic Integration

open access: yesAdvanced Optical Materials, EarlyView.
ABSTRACT Color centers in silicon have great potential as single photon sources for quantum technologies. Some of them – like the T center – also possess optically‐active spins that enable spin‐photon interfaces for generating entangled photons and multi‐spin registers. This paper explores the generation of several types of color centers in silicon for
Arnulf J. Snedker‐Nielsen   +15 more
wiley   +1 more source

Fractional and stochastic modeling of breast cancer progression with real data validation.

open access: yesPLoS ONE
This study presents a novel approach to modeling breast cancer dynamics, one of the most significant health threats to women worldwide. Utilizing a piecewise mathematical framework, we incorporate both deterministic and stochastic elements of cancer ...
Khaled Aldwoah   +5 more
doaj   +1 more source

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