Results 121 to 130 of about 1,307,438 (325)

Distances in cocomparability graphs and their powers

open access: yesDiscrete Applied Mathematics, 1992
All graphs considered are finite and connected. For any nonnegative integer \(i\), let \(\Gamma_ i\) denote the class of graphs obeying some linear ordering \(v_ 1< v_ ...
openaire   +3 more sources

Static and Dynamic Behavior of Novel Y‐Shaped Sandwich Beams Subjected to Compressive Loadings: Integration of Supervised Learning and Experimentation

open access: yesAdvanced Engineering Materials, EarlyView.
In this study, the mechanical response of Y‐shaped core sandwich beams under compressive loading is investigated, using deep feed‐forward neural networks (DFNNs) for predictive modeling. The DFNN model accurately captures stress–strain behavior, influenced by design parameters and loading rates.
Ali Khalvandi   +4 more
wiley   +1 more source

Bistable Mechanisms 3D Printing for Mechanically Programmable Vibration Control

open access: yesAdvanced Engineering Materials, EarlyView.
This work introduces a 3D‐printed bistable mechanism integrated into tuned mass dampers (TMDs) for mechanically adaptive passive vibration suppression. Through optimized geometry, the bistable design provides adaptable vibration reduction across a broad range of scenarios, achieving effective vibration mitigation without complex controls or external ...
Ali Zolfagharian   +4 more
wiley   +1 more source

Power system transient stability assessment based on hierarchical graph pooling method considering missing data

open access: yesInternational Journal of Electrical Power & Energy Systems
The transient stability assessment (TSA) model based on graph deep learning relies on complete system topology and its characteristics. However, electrical operation data may be missing during the measurement and transmission process, which can lead to a
Chenhao Zhao   +3 more
doaj   +1 more source

The direct power of a 1-graph

open access: yesJournal of Combinatorial Theory, Series B, 1981
A graph product, called the direct power, is introduced for 1-graphs. The results presented here characterize and enumerate the strong components of these graphs.
openaire   +3 more sources

Consolidate Overview of Ribonucleic Acid Molecular Dynamics: From Molecular Movements to Material Innovations

open access: yesAdvanced Engineering Materials, EarlyView.
Molecular dynamics simulations are advancing the study of ribonucleic acid (RNA) and RNA‐conjugated molecules. These developments include improvements in force fields, long‐timescale dynamics, and coarse‐grained models, addressing limitations and refining methods.
Kanchan Yadav, Iksoo Jang, Jong Bum Lee
wiley   +1 more source

Dynamic knowledge graph approach for modelling the decarbonisation of power systems

open access: yesEnergy and AI
This paper presents a dynamic knowledge graph approach that offers a reusable, interoperable, and extensible framework for modelling power systems. Domain ontologies have been developed to support a linked data representation of infrastructure data ...
Wanni Xie   +6 more
doaj   +1 more source

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