Results 1 to 10 of about 73,706 (315)

Bounce Universe with Finite-Time Singularity

open access: yesUniverse, 2022
This work explains how the presence of a Type-IV singularity (a mild singularity) can influence the dynamics of a bouncing universe. In particular, we examine the bounce cosmology that appears with a Type-IV singularity in the context of a ghost-free ...
Sergei D Odintsov   +2 more
exaly   +3 more sources

Singularity property and singularity-free path planning of the Gough–Stewart parallel mechanism

open access: yesInternational Journal of Advanced Robotic Systems, 2017
Singularity affects the performance of the parallel mechanisms seriously and so should be avoided as the mechanisms work. It is necessary to obtain the distribution of the singularity locus in the task space of a parallel mechanism and then further ...
Baokun Li, Yi Cao, Hongtao Yang
exaly   +2 more sources

Evaluation of Hierarchical, Multi-Agent, Community-Based, Local Energy Markets Based on Key Performance Indicators

open access: yesEnergies, 2022
In recent years, local energy markets (LEMs) have been introduced to empower end-customers within energy communities at the distribution level of the power system, in order to be able to trade their energy locally in a competitive and fair environment ...
Godwin C. Okwuibe   +7 more
doaj   +1 more source

sylabs/singularity: SingularityCE 3.8.4

open access: yes, 2021
This is a bugfix release of SingularityCE, the Community Edition of the Singularity container runtime hosted at https://github.com/sylabs/singularity. Documentation is available at https://sylabs.io/docs/.
Dave Trudgian   +28 more
core   +2 more sources

Evaluating the hourly emissions intensity of the US electricity system

open access: yesEnvironmental Research Letters, 2023
High-quality data for the greenhouse gas and air pollution emissions associated with electricity generation and consumption are increasingly important to enable effective and targeted action to decarbonize the electric grid and to inform research in a ...
Gregory J Miller   +3 more
doaj   +1 more source

Singular Stresses at a Vertex and Along a Singular Line in Three-‎dimensional Piezoelectric Bonded Joints [PDF]

open access: yesJournal of Applied and Computational Mechanics, 2020
Singular stress fields in three-dimensional piezoelectric bonded joints are investigated at a vertex and along a free edge (the singular line) of an interface.
Chonlada Luangarpa, Hideo Koguchi
doaj   +1 more source

Singular Continuous Spectrum for Singular Potentials [PDF]

open access: yesCommunications in Mathematical Physics, 2017
We prove that Schrödinger operators with meromorphic potentials $(H_{α,θ}u)_n=u_{n+1}+u_{n-1}+ \frac{g(θ+nα)}{f(θ+nα)} u_n$ have purely singular continuous spectrum on the set $\{E: L(E)
Svetlana Jitomirskaya, Fan Yang
openaire   +3 more sources

Reconstruction of tokamak plasma safety factor profile using deep learning

open access: yesNuclear Fusion, 2023
The motional Stark effect (MSE) diagnostic has been a standard measurement for the magnetic field line pitch angle in tokamaks that are equipped with neutral beams.
Xishuo Wei   +5 more
doaj   +1 more source

Machine Learning-Based Modeling for the Duration of Load Effect in Wood Structural Members Under Long-Term Sustained Load

open access: yesIEEE Access, 2020
The load resisting capacity of structural members will decrease when they are subjected to long-term sustained load. Such phenomenon is widely known as the duration of load effect, which is mainly caused by the damage accumulation in the material.
Peng Qi   +9 more
doaj   +1 more source

Enhancing reproducibility in scientific computing: Metrics and registry for Singularity containers. [PDF]

open access: yesPLoS ONE, 2017
Here we present Singularity Hub, a framework to build and deploy Singularity containers for mobility of compute, and the singularity-python software with novel metrics for assessing reproducibility of such containers.
Vanessa V Sochat   +2 more
doaj   +1 more source

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