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Flat specimen shape recognition based on full-field optical measurements and registration using mapping error minimization method
ID
Maček, Andraž
(
Author
),
ID
Urevc, Janez
(
Author
),
ID
Halilovič, Miroslav
(
Author
)
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https://www.sv-jme.eu/sl/article/alignment-of-modelling-and-full-field-measurement-data-for-material-characterisation-of-planar-specimens/
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Abstract
In the paper, an alignment methodology of finite element and full-field measurement data of planar specimens is presented. The alignment procedure represents an essential part of modern material response characterisation using heterogeneous strain-field specimens. The methodology addresses both the specimen recognition from a measurement`s image and the alignment procedure and is designed to be applied on a single measurement system. This is essential for its practical application because both processes, shape recognition and alignment, must be performed only after the specimen is fully prepared for the digital image correlation (DIC) measurements (white background and black speckles) and placed into a testing machine. The specimen can be observed with a single camera or with a multicamera system. The robustness of the alignment method is presented on a treatment of a specimen with a metamaterial-like structure and compared with the well-known iterative closest point (ICP) algorithm. The performance of the methodology is also demonstrated on a real DIC application.
Language:
English
Keywords:
full-field measurements
,
digital image correlation
,
specimen shape recognition
,
surface registration
,
iterative closest point
Work type:
Article
Typology:
1.01 - Original Scientific Article
Organization:
FS - Faculty of Mechanical Engineering
Publication status:
Published
Publication version:
Version of Record
Year:
2021
Number of pages:
Str. 203-213, SI 29
Numbering:
Vol. 67, no. 5
PID:
20.500.12556/RUL-160891-bb0ca5c8-fac0-581c-319b-08adcbafae11
UDC:
539.37:004.932(045)
ISSN on article:
0039-2480
DOI:
10.5545/sv-jme.2021.7111
COBISS.SI-ID:
65014787
Publication date in RUL:
05.09.2024
Views:
72
Downloads:
39
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Record is a part of a journal
Title:
Strojniški vestnik
Shortened title:
Stroj. vestn.
Publisher:
Zveza strojnih inženirjev in tehnikov Slovenije [etc.], = Association of Mechanical Engineers and Technicians of Slovenia [etc.
ISSN:
0039-2480
COBISS.SI-ID:
762116
Licences
License:
CC BY 4.0, Creative Commons Attribution 4.0 International
Link:
http://creativecommons.org/licenses/by/4.0/
Description:
This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Secondary language
Language:
Slovenian
Title:
Prepoznava oblike planih preizkušancev z uporabo optičnih metod merjenja celotnih polj deformacij in poravnava oblike z uporabo minimizacije odstopanja preslikave
Keywords:
meritve polja deformacij
,
korelacija digitalnih slik
,
prepoznava oblike preizkušanca
,
poravnava oblik
,
inverzna identifikacija
,
heterogeno polje deformacij
Projects
Funder:
ARRS - Slovenian Research Agency
Project number:
P2-0263
Name:
Mehanika v tehniki
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