Photoelastic force measurements in granular materials

Daniels KE, Kollmer J, Puckett JG (2017)

Publication Type: Journal article

Publication year: 2017

Journal

Review of Scientific Instruments AIP Publishing

Book Volume: 88

Article Number: 051808

Journal Issue: 5

DOI: 10.1063/1.4983049

Abstract

Photoelastic techniques are used to make both qualitative and quantitative measurements of the forces within idealized granular materials. The method is based on placing a birefringent granular material between a pair of polarizing filters, so that each region of the material rotates the polarization of light according to the amount of local of stress. In this review paper, we summarize past work using the technique, describe the optics underlying the technique, and illustrate how it can be used to quantitatively determine the vector contact forces between particles in a 2D granular system. We provide a description of software resources available to perform this task, as well as key techniques and resources for building an experimental apparatus.

Authors with CRIS profile

Jonathan Kollmer Lehrstuhl für Multiscale Simulation of Particulate Systems (MSS)

Additional Organisation(s)

Exzellenz-Cluster Engineering of Advanced Materials (EAM)

Involved external institutions

North Carolina State University US United States (USA) (US) Gettysburg College US United States (USA) (US)

How to cite

APA:

Daniels, K.E., Kollmer, J., & Puckett, J.G. (2017). Photoelastic force measurements in granular materials. Review of Scientific Instruments, 88(5). https://dx.doi.org/10.1063/1.4983049

MLA:

Daniels, Karen E., Jonathan Kollmer, and James G. Puckett. "Photoelastic force measurements in granular materials." Review of Scientific Instruments 88.5 (2017).

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