Optimization-based material parameter identification for the numerical simulation of sea ice in four-point bending

The bending strength of the sea ice cover is crucial in the design of ice-going vessels. Therefore, a series of in situ four-point bending tests have been performed earlier, which are now utilized to present a particle swarm optimization–based procedure to identify the material parameters needed for...

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Bibliographic Details
Published in:Proceedings of the Institution of Mechanical Engineers, Part M: Journal of Engineering for the Maritime Environment
Main Authors: Ehlers, Sören, Kujala, Pentti
Format: Article in Journal/Newspaper
Language:English
Published: SAGE Publications 2013
Subjects:
Online Access:http://dx.doi.org/10.1177/1475090213486892
http://journals.sagepub.com/doi/pdf/10.1177/1475090213486892
http://journals.sagepub.com/doi/full-xml/10.1177/1475090213486892
Description
Summary:The bending strength of the sea ice cover is crucial in the design of ice-going vessels. Therefore, a series of in situ four-point bending tests have been performed earlier, which are now utilized to present a particle swarm optimization–based procedure to identify the material parameters needed for numerical simulations. The resulting numerical simulations are found to comply well with the experimental results in terms of force, failure time, and displacement. Therefore, it can be concluded that the presented optimization-based material parameter identification procedure can also be used in the future if similar material parameters are to be found.