Results 41 to 50 of about 100,121 (273)

The Study on Error Analysis of Discretization Area in Discrete Global Grid System

open access: yesProcedia Environmental Sciences, 2011
AbstractThe research of area calculation error is the base of discretization of area in discrete global grid system. The error source of discretization of area was analysed and a calculation experiment was designed to calculation the errors of discretization of area. The true area and discretization area were calculated.
Tao, Ming   +4 more
openaire   +1 more source

The Expression of Discretization Line and Error Analysis in Discrete Global Grid System

open access: yesProcedia Environmental Sciences, 2011
AbstractThe discretization error of line in discrete global grid system is a major factor which affect the precision of discretization line and accuracy of the result of the spatial analysis. The error source of discretization of line were analysed firstly in this article.
Tao, Ming   +3 more
openaire   +1 more source

Multi-Scale Flood Mapping under Climate Change Scenarios in Hexagonal Discrete Global Grids

open access: yesISPRS International Journal of Geo-Information, 2022
Among the most prevalent natural hazards, flooding has been threatening human lives and properties. Robust flood simulation is required for effective response and prevention.
Mingke Li   +2 more
doaj   +1 more source

Disdyakis Triacontahedron Discrete Global Grid System

open access: yes, 2022
The amount of information collected about the Earth has become extremely large. With this information comes the demand for integration, processing, visualization and distribution of this data so that it can be leveraged to solve real‑world problems.
openaire   +2 more sources

Field Report from Collaborative Research Center 1625: Heterogeneous Research Data Management Using Ontology Representations

open access: yesAdvanced Engineering Materials, EarlyView.
A unified research data management framework for heterogeneous materials data is presented. The system integrates multimodal datasets using ontologies and knowledge graphs, enabling interoperability and FAIR (findable, accessible, interoperable, reusable) data principles. By linking data across scales and workflows, it supports reproducible, Artifitial
Doaa Mohamed   +6 more
wiley   +1 more source

Phase Field Failure Modeling: Brittle‐Ductile Dual‐Phase Microstructures under Compressive Loading

open access: yesAdvanced Engineering Materials, EarlyView.
The approach by Amor and the approach by Miehe and Zhang for asymmetric damage behavior in the phase field method for fracture are compared regarding their fitness for microcrack‐based failure modeling. The comparison is performed for the case of a dual‐phase microstructure with a brittle and a ductile constituent.
Jakob Huber, Jan Torgersen, Ewald Werner
wiley   +1 more source

Performance comparison of discrete-time robust adaptive controllers for grid-tied power converters under unbalanced grids

open access: yese-Prime: Advances in Electrical Engineering, Electronics and Energy, 2023
Renewable energy generation systems largely use grid-tied power converters with LCL filters. A well-known issue in this kind of system is the resonance of the LCL filter, whose frequency is straightforwardly affected by grid condition. Variations on grid
Paulo Jefferson Dias de Oliveira Evald   +5 more
doaj   +1 more source

Multimodal Data‐Driven Microstructure Characterization

open access: yesAdvanced Engineering Materials, EarlyView.
A self‐consistent autonomous workflow for EBSP‐based microstructure segmentation by integrating PCA, GMM clustering, and cNMF with information‐theoretic parameter selection, requiring no user input. An optimal ROI size related to characteristic grain size is identified.
Qi Zhang   +4 more
wiley   +1 more source

Effective Local-Global Upscaling of Fractured Reservoirs under Discrete Fractured Discretization

open access: yesEnergies, 2015
The subsurface flow in fractured reservoirs is strongly affected by the distribution of fracture networks. Discrete fracture models, which represent all fractures individually by unstructured grid systems, are thus developed and act as a more accurate ...
Junchao Li   +3 more
doaj   +1 more source

A study in grid simulation and scheduling [PDF]

open access: yes, 2006
Grid computing is emerging as an essential tool for large scale analysis and problem solving in scientific and business domains. Whilst the idea of stealing unused processor cycles is as old as the Internet, we are still far from reaching a position ...
Rhodes, Mark N.C.
core  

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