Results 71 to 80 of about 68,932 (207)

Statistical Laws and Mechanics of Voronoi Random Lattices

, 1993
We investigate random lattices where the connectivities are determined by the Voronoi construction, while the location of the points are the dynamic degrees of freedom. The Voronoi random lattices with an associated energy are immersed in a heat bath and
Herrmann, H. J., Lauritsen, K. B., Moukarzel, C.   +2 more
core   +3 more sources

Exploring wave propagation behaviors in rock: A grain‐based perspective on mineral structures

Deep Underground Science and Engineering, EarlyView.
This study investigates wave propagation in rock at the grain scale using a grain‐based model, revealing that mineral elastic modulus significantly influences wave attenuation while grain size and distribution have limited effects. A novel peak particle velocity attenuation prediction model is proposed and validated for grain‐scale wave propagation ...
Zhiyi Liao, Jiachen Xu, Kai Zhang, Changtai Zhou   +3 more
wiley   +1 more source

Seismic analysis and design of tunnels within fault ground: A review

Deep Underground Science and Engineering, EarlyView.
The research methods of seismic response of tunnels within fault ground, including field investigations, analytical solutions, physical experiments, and numerical simulations, and seismic countermeasures are discussed. The present study examines the shortcomings and limitations of the current research and design, and puts forward proposals for future ...
Xingda Wang, Yujing Jiang, Xuepeng Zhang, Yuyong Jiao, Ningbo Li, Xiao Wang, Bo Li   +6 more
wiley   +1 more source

Voronoi diagrams – inventor, method, applications

Polish Cartographical Review, 2018
The article presents the person and works of Georgy Voronoi (1868-1908), the inventor of an original method of diagrams, a student of the famous mathematician Andrey Markov.
Pokojski Wojciech, Pokojska Paulina
doaj   +1 more source

Performance Evaluation of the MPAS Model in Simulating Southeast Asian Rainfall Characteristics

International Journal of Climatology, EarlyView.
This study evaluates the performance of the Model for Prediction Across Scales–Atmosphere (MPAS) in reproducing key rainfall characteristics over Southeast Asia (SEA) during 2000–2020, using the MSWEP dataset as reference. MPAS realistically captures the observed meridional rainfall gradient, with higher rainfall in the south and lower in the north, as
Nguyen Thanh Hung, Alugula Boyaj, Srivatsan V. Raghavan, Nguyen Ngoc Son, Bhenjamin Jordan Ona   +4 more
wiley   +1 more source

An Algorithm based on the Weighted Network Voronoi Diagram for Point Cluster Simplification

ISPRS International Journal of Geo-Information, 2019
Points on maps that stand for geographic objects such as settlements are generally connected by road networks. However, in the existing algorithms for point cluster simplification, points are usually viewed as discrete objects or their distances are ...
Xiaomin Lu, Haowen Yan, Wende Li, Xiaojun Li, Fang Wu   +4 more
doaj   +1 more source

Data‐Based Detection of Antagonistic Agents in a Robot Swarm Solving a Dynamic Coverage Task

International Journal of Mechanical System Dynamics, EarlyView.
ABSTRACT Robot swarms can be deployed as moving surveillance systems, for instance, as mobile anti‐poaching systems for monitoring wildlife and detecting poaching activities. Since poachers have an interest in evading detection, robots are at risk of being hijacked and manipulated to behave antagonistically, for example, to prevent the correct ...
Ingeborg Wenger, Peter Eberhard, Henrik Ebel   +2 more
wiley   +1 more source

Gridvoronoi: An Efficient Spatial Index for Nearest Neighbor Query Processing

IEEE Access, 2019
In this paper, based upon Voronoi Diagram, we propose GridVoronoi which is a novel spatial index that enables users to find the spatial nearest neighbour (NN) from two-dimensional (2D) datasets in almost O(1) time.
Chongsheng Zhang, George Almpanidis, Faegheh Hasibi, Gaojuan Fan   +3 more
doaj   +1 more source

Performance evaluation of regional weather predictions with the Model for Prediction Across Scales – Atmosphere (MPAS‐A) over the Maritime Continent

Quarterly Journal of the Royal Meteorological Society, EarlyView.
As part of the ongoing efforts to develop next‐generation forecasting systems at the Meteorological Service Singapore, this study presents the setup and evaluation of the SINGV_NG(MPAS) system. Overall, the SINGV_NG(MPAS) system outperforms European Centre for Medium‐Range Weather Forecasts (ECMWF) deterministic forecasts in capturing heavy rainfall ...
I‐Han Chen, Pratiman Patel, Kalli Furtado, Wei Wang, Zhiquan Liu, Dale Barker, Jimy Dudhia, Hugh Zhang   +7 more
wiley   +1 more source

Emergence of collective behaviours from local Voronoi topological perception

Royal Society Open Science
This article addresses how diverse collective behaviours arise from simple and realistic decisions made entirely at the level of each agent’s personal space in the sense of the Voronoi diagram.
Ivan Gonzalez, Jack Tisdell, Rustum Choksi, Jean-Christophe Nave   +3 more
doaj   +1 more source