Three dimensional image correlation from X-Ray computed tomography of solid foam

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A new methodology is proposed to estimate 3D displacement fields from pairs of images obtained from X-Ray Computed Micro Tomography (XCMT). Contrary to local approaches, a global approach is followed herein that evaluates {\em continuous} displacement fields. Although any displacement basis could be considered, the procedure is specialized to finite element shape functions. The method is illustrated with the analysis of a compression test on a polypropylene solid foam (independently studied in a companion paper). A good stability of the measured displacement field is obtained for cubic element sizes ranging from 16 voxels to 6 voxels.
nombre de pages = 34

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Classical Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/144366

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0712.2642
 http://arxiv.org/abs/0712.2642
 Composites A: Applied Science and Manufacturing (2007) 0
 doi:10.1016/j.physletb.2003.10.071

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arXiv