Uncertainty quantification of multiscale composite damage initiation and progression

J. Johnston, L. Borkowski, Aditi Chattopadhyay

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Uncertainty is inherent in composite materials, and causes several challenges when modeling and characterizing complex structures. There are uncertainties present at each length scale in composites, and quantifying these uncertainties is necessary in order to accurately model the mechanical response and damage progression of these materials. The ability to exchange information between length scales permits multiscale models to transport uncertainties from one scale to the next. Limitations in the physics and errors in numerical methods pose additional challenges for composite models. By replacing deterministic inputs with random inputs, stochastic methods can be implemented within these multiscale models making them more robust. A multiscale sectional model is used due to its efficiency and capacity to incorporate stochastic methods with little difficulty. A Latin hypercube sampling technique is used, due to its reported computational savings over other methods such as a completely random Monte Carlo simulation. Within this multiscale modeling framework, a progressive failure theory is implemented using these stochastic methods and a modified Hashin failure theory. A stochastic multiscale model with a progressive failure theory successfully captures variations of mechanical properties in composite materials.

Original languageEnglish (US)
Title of host publicationStructural Health Monitoring 2013: A Roadmap to Intelligent Structures - Proceedings of the 9th International Workshop on Structural Health Monitoring, IWSHM 2013
PublisherDEStech Publications
Pages1770-1777
Number of pages8
Volume2
ISBN (Print)9781605951157
StatePublished - 2013
Event9th International Workshop on Structural Health Monitoring: A Roadmap to Intelligent Structures, IWSHM 2013 - Stanford, United States
Duration: Sep 10 2013Sep 12 2013

Other

Other9th International Workshop on Structural Health Monitoring: A Roadmap to Intelligent Structures, IWSHM 2013
CountryUnited States
CityStanford
Period9/10/139/12/13

Fingerprint

Uncertainty
Composite materials
Physics
Stochastic models
Numerical methods
Sampling
Mechanical properties

ASJC Scopus subject areas

  • Computer Science Applications
  • Health Information Management

Cite this

Johnston, J., Borkowski, L., & Chattopadhyay, A. (2013). Uncertainty quantification of multiscale composite damage initiation and progression. In Structural Health Monitoring 2013: A Roadmap to Intelligent Structures - Proceedings of the 9th International Workshop on Structural Health Monitoring, IWSHM 2013 (Vol. 2, pp. 1770-1777). DEStech Publications.

Uncertainty quantification of multiscale composite damage initiation and progression. / Johnston, J.; Borkowski, L.; Chattopadhyay, Aditi.

Structural Health Monitoring 2013: A Roadmap to Intelligent Structures - Proceedings of the 9th International Workshop on Structural Health Monitoring, IWSHM 2013. Vol. 2 DEStech Publications, 2013. p. 1770-1777.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Johnston, J, Borkowski, L & Chattopadhyay, A 2013, Uncertainty quantification of multiscale composite damage initiation and progression. in Structural Health Monitoring 2013: A Roadmap to Intelligent Structures - Proceedings of the 9th International Workshop on Structural Health Monitoring, IWSHM 2013. vol. 2, DEStech Publications, pp. 1770-1777, 9th International Workshop on Structural Health Monitoring: A Roadmap to Intelligent Structures, IWSHM 2013, Stanford, United States, 9/10/13.
Johnston J, Borkowski L, Chattopadhyay A. Uncertainty quantification of multiscale composite damage initiation and progression. In Structural Health Monitoring 2013: A Roadmap to Intelligent Structures - Proceedings of the 9th International Workshop on Structural Health Monitoring, IWSHM 2013. Vol. 2. DEStech Publications. 2013. p. 1770-1777
Johnston, J. ; Borkowski, L. ; Chattopadhyay, Aditi. / Uncertainty quantification of multiscale composite damage initiation and progression. Structural Health Monitoring 2013: A Roadmap to Intelligent Structures - Proceedings of the 9th International Workshop on Structural Health Monitoring, IWSHM 2013. Vol. 2 DEStech Publications, 2013. pp. 1770-1777
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