Results 21 to 30 of about 6,856,252 (290)

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

Geometric models of matter [PDF]

open access: yesProceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 2012
Inspired by soliton models, we propose a description of static particles in terms of Riemannian 4-manifolds with self-dual Weyl tensor. For electrically charged particles, the 4-manifolds are non-compact and asymptotically fibred by circles over physical 3-space.
Atiyah, M. F.   +2 more
openaire   +2 more sources

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

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

Geometric models of Helium [PDF]

open access: yesModern Physics Letters A, 2017
A previous paper [M. F. Atiyah and N. S. Manton, arXiv:1609.02816 ] modeled atoms and their isotopes by complex algebraic surfaces with the projective plane modeling Hydrogen. In this paper, models of the stable isotopes Helium-4 and Helium-3 are constructed.
openaire   +2 more sources

Geometrical Product Specification and Verification as toolbox to meet up-to-date technical requirements [PDF]

open access: yes, 2014
The ISO standards for the Geometrical Product Specification and Verification (GPS) define an internationally uniform description language, that allows expressing unambiguously and completely all requirements for the geometry of a product with the ...
Humienny, Zbigniew   +22 more
core   +3 more sources

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

Hypergraph modelling for geometric model fitting [PDF]

open access: yesPattern Recognition, 2016
In this paper, we propose a novel hypergraph based method (called HF) to fit and segment multi-structural data. The proposed HF formulates the geometric model fitting problem as a hypergraph partition problem based on a novel hypergraph model. In the hypergraph model, vertices represent data points and hyperedges denote model hypotheses. The hypergraph,
Guobao Xiao   +3 more
openaire   +3 more sources

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