Guidelines for DIC in geotechnical engineering research

Zhibo Chris Chen; Kaigang Li; Mehdi Omidvar; Magued Iskander

doi:10.1680/jphmg.15.00040

Guidelines for DIC in geotechnical engineering research

Zhibo Chris Chen, Kaigang Li, Mehdi Omidvar, Magued Iskander

Civil and Urban Engineering

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

Abstract

Digital image correlation (DIC), also known as particle image velocimetry (PIV), has become a well-established approach for the calculation of field displacements in geotechnical engineering. However, commercial and opensource DIC/PIV software is often used without full realisation of the implications of various parameters on accuracy and efficiency. In this paper, a critical evaluation of the various methods and components of DIC relevant to geotechnical applications is presented. In addition, new algorithms are presented to address some specific problems encountered when using DIC techniques in geotechnical research. Examples and comparisons are presented to support the proposed guidelines, and thus demonstrate the effectiveness of the newly developed techniques.

Original language	English (US)
Pages (from-to)	3-22
Number of pages	20
Journal	International Journal of Physical Modelling in Geotechnics
Volume	17
Issue number	1
DOIs	https://doi.org/10.1680/jphmg.15.00040
State	Published - Mar 1 2017

Keywords

Codes of practice & standards
Geotechnical engineering
Granular materials

ASJC Scopus subject areas

Geotechnical Engineering and Engineering Geology

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10.1680/jphmg.15.00040

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AU - Li, Kaigang

AU - Omidvar, Mehdi

AU - Iskander, Magued

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AB - Digital image correlation (DIC), also known as particle image velocimetry (PIV), has become a well-established approach for the calculation of field displacements in geotechnical engineering. However, commercial and opensource DIC/PIV software is often used without full realisation of the implications of various parameters on accuracy and efficiency. In this paper, a critical evaluation of the various methods and components of DIC relevant to geotechnical applications is presented. In addition, new algorithms are presented to address some specific problems encountered when using DIC techniques in geotechnical research. Examples and comparisons are presented to support the proposed guidelines, and thus demonstrate the effectiveness of the newly developed techniques.

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Guidelines for DIC in geotechnical engineering research

Abstract

Keywords

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