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Application of Digital Image Correlation to Structures in Fire

Published

Author(s)

Christopher M. Smith, Matthew Hoehler

Abstract

The behavior of engineering structures in fire is commonly studied through large-scale experiments. However, temperature-varying material properties, spatially-varying thermal loading and complicated structure geometries result in these structures deforming in complex and often unpredictable ways. This makes it difficult to fully characterize the response of the structure with traditional (point) sensors [1]. Full-field, noncontact measurement techniques such as Digital Image Correlation (DIC) are potentially ideal for such experiments; however, the presence of light emitted by the flames, thermal radiation from the heated structure, and convective thermal gradients in the air make this a challenging application for DIC.
Proceedings Title
Society of Experimental Mechanics Annual Meeting
Conference Dates
June 4-7, 2018
Conference Location
Greenville, SC, US

Keywords

digital image correlation, DIC, fire, narrow-spectrum illumination, blue light

Citation

Smith, C. and Hoehler, M. (2018), Application of Digital Image Correlation to Structures in Fire, Society of Experimental Mechanics Annual Meeting, Greenville, SC, US, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=925427 (Accessed July 15, 2024)

Issues

If you have any questions about this publication or are having problems accessing it, please contact reflib@nist.gov.

Created June 3, 2018, Updated October 12, 2021