Results 21 to 30 of about 479,657 (292)

Geometrical defect detection for additive manufacturing with machine learning models

open access: yesMaterials & Design, 2021
This study proposed a scheme based on Machine Learning (ML) models to detect geometric defects of additively manufactured objects. The ML models are trained with synthetic 3D point clouds with defects and then applied to detect defects in actual ...
Rui Li, Mingzhou Jin, Vincent C. Paquit
doaj   +1 more source

Building constructions modelling problems in modern cae-systems [PDF]

open access: yesE3S Web of Conferences, 2019
This article is about choosing building structure analysis model question. Construction analysis model type choice affects result of counting. Result accuracy and reliability depends on analysis scheme choice.
Alpatov Vadim
doaj   +1 more source

Mathematical models of the electric arc of variable geometrical parameters based on static voltage-current characteristics [PDF]

open access: yesE3S Web of Conferences, 2019
The paper presents the Schellhase and Pentegov models utilizing static voltage-current characteristics for representing processes occurring in the electric arc. In the approximations of these characteristics variation in geometrical parameters, i.e.
Sawicki Antoni
doaj   +1 more source

GEOMETRICAL MODELS OF MANDIBLE FRACTURE AND PLATE IMPLANT

open access: yesFacta Universitatis. Series: Mechanical Engineering, 2018
In the oral and maxillofacial surgery, there is a requirement to provide the best possible treatment for the patient with mandibular fractures. This treatment presumes application of reduction and fixation techniques for proper stabilization of the ...
Karim Husain   +5 more
doaj   +1 more source

Virtual Laser Scanning Approach to Assessing Impact of Geometric Inaccuracy on 3D Plant Traits

open access: yesRemote Sensing, 2022
In recent years, 3D imaging became an increasingly popular screening modality for high-throughput plant phenotyping. The 3D scans provide a rich source of information about architectural plant organization which cannot always be derived from multi-view ...
Michael Henke, Evgeny Gladilin
doaj   +1 more source

A Hybrid 3D Indoor Space Model [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2016
GIS integrates spatial information and spatial analysis. An important example of such integration is for emergency response which requires route planning inside and outside of a building. Route planning requires detailed information related to indoor and
A. Jamali, A. A. Rahman, P. Boguslawski
doaj   +1 more source

Geometric Model of the Generations [PDF]

open access: yesPhysical Review Letters, 1995
We propose a geometric theory of flavor based on the discrete group ({ital S}{sub 3}){sup 3}, in the context of the minimal supersymmetric standard model. The group treats three objects symmetrically, while making fundamental distinctions between the generations.
, Hall, , Murayama
openaire   +2 more sources

Topology optimization with geometrical constraints based on fictitious physical models (The geometrical constraint for molding and milling)

open access: yesNihon Kikai Gakkai ronbunshu, 2017
This paper proposes a scheme for imposing geometrical constraints in topology optimization for molding and milling so that optimal configurations that guarantee manufacturability can be obtained, based on the fictitious physical model. First, a level set-
Yuki SATO   +3 more
doaj   +1 more source

Optimization of geometrical parameter for V-type alpha Stirling engine based on dimensionless analysis [PDF]

open access: yesMATEC Web of Conferences, 2018
This paper aims to study the effect of mechanism and geometrical parameters on the shaft work of alpha-type Stirling engine with V-cylinder arrangement and find the appropriate value of geometrical parameters to get the maximum value of shaft work output.
Senviboon Varit   +2 more
doaj   +1 more source

Topological charge on the lattice: a field theoretical view of the geometrical approach [PDF]

open access: yes, 1996
We construct sequences of ``field theoretical'' (analytical) lattice topological charge density operators which formally approach geometrical definitions in 2-d $CP^{N-1}$ models and 4-d $SU(N)$ Yang Mills theories.
Allds   +36 more
core   +2 more sources

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