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Towards Measuring Intergranular Force Transmission Using Confocal Microscopy and Digital Volume Correlation

Mac Donald, Kimberley and Ravichandran, Guruswami (2017) Towards Measuring Intergranular Force Transmission Using Confocal Microscopy and Digital Volume Correlation. In: Advancement of Optical Methods in Experimental Mechanics. Vol.3. Springer , Cham, Switzerland, pp. 85-88. ISBN 978-3-319-63027-4. http://resolver.caltech.edu/CaltechAUTHORS:20171106-135543296

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Abstract

We aim to show the feasibility of using confocal microscopy imaging techniques for Digital Volume Correlation (DVC) and analysis of granular mechanics experiments. The first part of this study validates the DVC and confocal microscopy imaging methods for a general problem of uniaxial compression of continuous media. The second part investigates the specific problem of granular mechanics. Intergranular force transmission will be analyzed from 3D image stacks captured using confocal microscopy. DVC methods will be used to analyze the full 3D grain motions and deformations. The intergranular forces will be determined inversely using the Granular Element Method (GEM). Preliminarily results show that confocal microscopy is a useful volumetric imaging method for DVC analyses and shows promise in furthering the study of intergranular force chains and shear bands.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
https://doi.org/10.1007/978-3-319-63028-1_13DOIArticle
https://link.springer.com/chapter/10.1007%2F978-3-319-63028-1_13PublisherArticle
Additional Information:© 2018 The Society for Experimental Mechanics, Inc. First Online: 04 November 2017.
Group:GALCIT
Subject Keywords:Confocal microscopy; Digital Volume Correlation (DVC); Granular mechanics; Intergranular forces; Shear bands
Record Number:CaltechAUTHORS:20171106-135543296
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20171106-135543296
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:82987
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:07 Nov 2017 15:55
Last Modified:07 Nov 2017 15:55

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