Use experience with a developmental general purpose non-contacting extensometer with high resolution

A Towse; C Setchell; KD Potter; AB Clarke; JHG Macdonald; MR Wisnom; RD Adams

Use experience with a developmental general purpose non-contacting extensometer with high resolution

A Towse^*, C Setchell, KD Potter, AB Clarke, JHG Macdonald, MR Wisnom, RD Adams

^*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

3 Citations (Scopus)

Abstract

An improved form of video extensometry has been developed using the simple technology of CCD cameras. The system is capable of tracking multiple targets at high speed with sub-pixel accuracy using interpolation algorithms. Output in the form of the (x, y) location of each target is available, ensuring that the applicability of the system is not just for uniaxial testing, but for many other forms of experimental strain analysis and displacement measurement. Examples of the use of the system are included: uniaxial testing of low and high modulus materials, shear strain measurement in adhesive joints and displacement measurement of long span bridges.

Translated title of the contribution	Use experience with a developmental general purpose non-contacting extensometer with high resolution
Original language	English
Title of host publication	Nontraditional methods of sensing stress, strain and damage in materials and structures, West Conshohocken, Pa, USA, 17 Nov. 1999
Editors	GF Lucas, PC McKeighan, JS Ransom
Place of Publication	W CONSHOHOCKEN
Publisher	American Society of Testing and Materials
Pages	36 - 51
Number of pages	16
Volume	2
ISBN (Print)	0-8031-2882-7
Publication status	Published - 2001
Event	Symposium on Nontraditional Methods of Sensing Stress, Strain, and Damage in Materials and Structures - KANSAS CITY, Macao Duration: 17 Nov 1999 → …

Publication series

Name	AMERICAN SOCIETY FOR TESTING AND MATERIALS SPECIAL TECHNICAL PUBLICATION
Publisher	AMERICAN SOCIETY TESTING AND MATERIALS
Volume	1323
ISSN (Print)	1040-1695

Conference

Conference	Symposium on Nontraditional Methods of Sensing Stress, Strain, and Damage in Materials and Structures
Country/Territory	Macao
Period	17/11/99 → …

Bibliographical note

Conference Proceedings/Title of Journal: ASTM Special Technical Publication 1323
Conference Organiser: American Society for Testing and Materials (ASTM)

Keywords

extensometry
video tracking
displacement measurement
shear strains
tensile testing

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Towse, A., Setchell, C., Potter, KD., Clarke, AB., Macdonald, JHG., Wisnom, MR., & Adams, RD. (2001). Use experience with a developmental general purpose non-contacting extensometer with high resolution. In GF. Lucas, PC. McKeighan, & JS. Ransom (Eds.), Nontraditional methods of sensing stress, strain and damage in materials and structures, West Conshohocken, Pa, USA, 17 Nov. 1999 (Vol. 2, pp. 36 - 51). (AMERICAN SOCIETY FOR TESTING AND MATERIALS SPECIAL TECHNICAL PUBLICATION; Vol. 1323). American Society of Testing and Materials.

Towse, A ; Setchell, C ; Potter, KD et al. / Use experience with a developmental general purpose non-contacting extensometer with high resolution. Nontraditional methods of sensing stress, strain and damage in materials and structures, West Conshohocken, Pa, USA, 17 Nov. 1999. editor / GF Lucas ; PC McKeighan ; JS Ransom. Vol. 2 W CONSHOHOCKEN : American Society of Testing and Materials, 2001. pp. 36 - 51 (AMERICAN SOCIETY FOR TESTING AND MATERIALS SPECIAL TECHNICAL PUBLICATION).

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title = "Use experience with a developmental general purpose non-contacting extensometer with high resolution",

abstract = "An improved form of video extensometry has been developed using the simple technology of CCD cameras. The system is capable of tracking multiple targets at high speed with sub-pixel accuracy using interpolation algorithms. Output in the form of the (x, y) location of each target is available, ensuring that the applicability of the system is not just for uniaxial testing, but for many other forms of experimental strain analysis and displacement measurement. Examples of the use of the system are included: uniaxial testing of low and high modulus materials, shear strain measurement in adhesive joints and displacement measurement of long span bridges.",

keywords = "extensometry, video tracking, displacement measurement, shear strains, tensile testing",

author = "A Towse and C Setchell and KD Potter and AB Clarke and JHG Macdonald and MR Wisnom and RD Adams",

note = "Conference Proceedings/Title of Journal: ASTM Special Technical Publication 1323 Conference Organiser: American Society for Testing and Materials (ASTM); Symposium on Nontraditional Methods of Sensing Stress, Strain, and Damage in Materials and Structures ; Conference date: 17-11-1999",

year = "2001",

language = "English",

isbn = "0-8031-2882-7",

volume = "2",

series = "AMERICAN SOCIETY FOR TESTING AND MATERIALS SPECIAL TECHNICAL PUBLICATION",

publisher = "American Society of Testing and Materials",

pages = "36 -- 51",

editor = "GF Lucas and PC McKeighan and JS Ransom",

booktitle = "Nontraditional methods of sensing stress, strain and damage in materials and structures, West Conshohocken, Pa, USA, 17 Nov. 1999",

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Towse, A, Setchell, C, Potter, KD, Clarke, AB, Macdonald, JHG, Wisnom, MR & Adams, RD 2001, Use experience with a developmental general purpose non-contacting extensometer with high resolution. in GF Lucas, PC McKeighan & JS Ransom (eds), Nontraditional methods of sensing stress, strain and damage in materials and structures, West Conshohocken, Pa, USA, 17 Nov. 1999. vol. 2, AMERICAN SOCIETY FOR TESTING AND MATERIALS SPECIAL TECHNICAL PUBLICATION, vol. 1323, American Society of Testing and Materials, W CONSHOHOCKEN, pp. 36 - 51, Symposium on Nontraditional Methods of Sensing Stress, Strain, and Damage in Materials and Structures, Macao, 17/11/99.

Use experience with a developmental general purpose non-contacting extensometer with high resolution. / Towse, A; Setchell, C; Potter, KD et al.
Nontraditional methods of sensing stress, strain and damage in materials and structures, West Conshohocken, Pa, USA, 17 Nov. 1999. ed. / GF Lucas; PC McKeighan; JS Ransom. Vol. 2 W CONSHOHOCKEN: American Society of Testing and Materials, 2001. p. 36 - 51 (AMERICAN SOCIETY FOR TESTING AND MATERIALS SPECIAL TECHNICAL PUBLICATION; Vol. 1323).

Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

TY - GEN

T1 - Use experience with a developmental general purpose non-contacting extensometer with high resolution

AU - Towse, A

AU - Setchell, C

AU - Potter, KD

AU - Clarke, AB

AU - Macdonald, JHG

AU - Wisnom, MR

AU - Adams, RD

N1 - Conference Proceedings/Title of Journal: ASTM Special Technical Publication 1323 Conference Organiser: American Society for Testing and Materials (ASTM)

PY - 2001

Y1 - 2001

N2 - An improved form of video extensometry has been developed using the simple technology of CCD cameras. The system is capable of tracking multiple targets at high speed with sub-pixel accuracy using interpolation algorithms. Output in the form of the (x, y) location of each target is available, ensuring that the applicability of the system is not just for uniaxial testing, but for many other forms of experimental strain analysis and displacement measurement. Examples of the use of the system are included: uniaxial testing of low and high modulus materials, shear strain measurement in adhesive joints and displacement measurement of long span bridges.

AB - An improved form of video extensometry has been developed using the simple technology of CCD cameras. The system is capable of tracking multiple targets at high speed with sub-pixel accuracy using interpolation algorithms. Output in the form of the (x, y) location of each target is available, ensuring that the applicability of the system is not just for uniaxial testing, but for many other forms of experimental strain analysis and displacement measurement. Examples of the use of the system are included: uniaxial testing of low and high modulus materials, shear strain measurement in adhesive joints and displacement measurement of long span bridges.

KW - extensometry

KW - video tracking

KW - displacement measurement

KW - shear strains

KW - tensile testing

M3 - Conference Contribution (Conference Proceeding)

SN - 0-8031-2882-7

VL - 2

T3 - AMERICAN SOCIETY FOR TESTING AND MATERIALS SPECIAL TECHNICAL PUBLICATION

SP - 36

EP - 51

BT - Nontraditional methods of sensing stress, strain and damage in materials and structures, West Conshohocken, Pa, USA, 17 Nov. 1999

A2 - Lucas, GF

A2 - McKeighan, PC

A2 - Ransom, JS

PB - American Society of Testing and Materials

CY - W CONSHOHOCKEN

T2 - Symposium on Nontraditional Methods of Sensing Stress, Strain, and Damage in Materials and Structures

Y2 - 17 November 1999

ER -

Towse A, Setchell C, Potter KD, Clarke AB, Macdonald JHG, Wisnom MR et al. Use experience with a developmental general purpose non-contacting extensometer with high resolution. In Lucas GF, McKeighan PC, Ransom JS, editors, Nontraditional methods of sensing stress, strain and damage in materials and structures, West Conshohocken, Pa, USA, 17 Nov. 1999. Vol. 2. W CONSHOHOCKEN: American Society of Testing and Materials. 2001. p. 36 - 51. (AMERICAN SOCIETY FOR TESTING AND MATERIALS SPECIAL TECHNICAL PUBLICATION).

Use experience with a developmental general purpose non-contacting extensometer with high resolution

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Keywords

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