Measuring shape and surface strain of curved objects using digital speckle photography and gap effect

F. P. Chiang; G. Uzer; I. B. Krukenkamp

doi:10.1111/j.1475-1305.2008.00479.x

Measuring shape and surface strain of curved objects using digital speckle photography and gap effect

F. P. Chiang
, G. Uzer
, I. B. Krukenkamp

Mechanical and Biomedical Engineering Department

Stony Brook University

Research output: Contribution to journal › Article › peer-review

Abstract

We explore the validity of moirégap equation in terms of the digital speckle photography technique and show that the equation can be adapted to measure the shape or surface strain of curved objects. Examples of the utility of this approach are demonstrated using a spherical rubber ball.

Original language	English
Pages (from-to)	409-416
Number of pages	8
Journal	Strain
Volume	44
Issue number	5
DOIs	https://doi.org/10.1111/j.1475-1305.2008.00479.x
State	Published - 2008

Keywords

Digital speckle photography
Gap effect
Moiré
Shape
Strain measurement

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10.1111/j.1475-1305.2008.00479.x

Cite this

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title = "Measuring shape and surface strain of curved objects using digital speckle photography and gap effect",

abstract = "We explore the validity of moir{\'e}gap equation in terms of the digital speckle photography technique and show that the equation can be adapted to measure the shape or surface strain of curved objects. Examples of the utility of this approach are demonstrated using a spherical rubber ball.",

keywords = "Digital speckle photography, Gap effect, Moir{\'e}, Shape, Strain measurement",

author = "Chiang, \{F. P.\} and G. Uzer and Krukenkamp, \{I. B.\}",

year = "2008",

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T1 - Measuring shape and surface strain of curved objects using digital speckle photography and gap effect

AU - Chiang, F. P.

AU - Uzer, G.

AU - Krukenkamp, I. B.

PY - 2008

Y1 - 2008

N2 - We explore the validity of moirégap equation in terms of the digital speckle photography technique and show that the equation can be adapted to measure the shape or surface strain of curved objects. Examples of the utility of this approach are demonstrated using a spherical rubber ball.

AB - We explore the validity of moirégap equation in terms of the digital speckle photography technique and show that the equation can be adapted to measure the shape or surface strain of curved objects. Examples of the utility of this approach are demonstrated using a spherical rubber ball.

KW - Digital speckle photography

KW - Gap effect

KW - Moiré

KW - Shape

KW - Strain measurement

UR - https://www.scopus.com/pages/publications/51949102491

U2 - 10.1111/j.1475-1305.2008.00479.x

DO - 10.1111/j.1475-1305.2008.00479.x

M3 - Article

AN - SCOPUS:51949102491

SN - 0039-2103

VL - 44

SP - 409

EP - 416

JO - Strain

JF - Strain

IS - 5

ER -

Measuring shape and surface strain of curved objects using digital speckle photography and gap effect

Abstract

Keywords

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