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ISOGEOMETRIC FAILURE ANALYSIS

Borst, René / Hughes, Thomas J. R. / Scott, Michael A. / Verhoosel, Clemens V.

Summary The isogeometric method is a versatile tool for failure analysis. On one hand, the high-order continuity enables a natural incorporation of continuum constitutive relations that incorporate higher-order strain gradients, as in gradient plasticity or damage. On the other hand, the possibility of enhancing a T-spline basis with discontinuities by means of knot insertion makes isogeometric finite elements a suitable candidate for modeling discrete cracks. Both possibilities are described and will be illustrated by examples.

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ISOGEOMETRIC FAILURE ANALYSIS

Borst, René / Hughes, Thomas J. R. / Scott, Michael A. / Verhoosel, Clemens V.

Summary The isogeometric method is a versatile tool for failure analysis. On one hand, the high-order continuity enables a natural incorporation of continuum constitutive relations that incorporate higher-order strain gradients, as in gradient plasticity or damage. On the other hand, the possibility of enhancing a T-spline basis with discontinuities by means of knot insertion makes isogeometric finite elements a suitable candidate for modeling discrete cracks. Both possibilities are described and will be illustrated by examples.

ISOGEOMETRIC FAILURE ANALYSIS

Borst, René / Hughes, Thomas J. R. / Scott, Michael A. / Verhoosel, Clemens V.

Summary The isogeometric method is a versatile tool for failure analysis. On one hand, the high-order continuity enables a natural incorporation of continuum constitutive relations that incorporate higher-order strain gradients, as in gradient plasticity or damage. On the other hand, the possibility of enhancing a T-spline basis with discontinuities by means of knot insertion makes isogeometric finite elements a suitable candidate for modeling discrete cracks. Both possibilities are described and will be illustrated by examples.

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Title:

ISOGEOMETRIC FAILURE ANALYSIS

Contributors:

Borst, René (author) / Hughes, Thomas J. R. (author) / Scott, Michael A. (author) / Verhoosel, Clemens V. (author)

Published in:

Multiscale and Multiphysics Processes in Geomechanics ; 113-116

Springer Series in Geomechanics and Geoengineering

Publication date:

2011-01-01

Size:

4 pages

ISBN:

978-3-642-19629-4 , 978-3-642-19630-0

ISSN:

1866-8755 , 1866-8763

DOI:

https://doi.org/10.1007/978-3-642-19630-0_29

Type of media:

Article/Chapter (Book)

Type of material:

Electronic Resource

Language:

English

Keywords:

cohesive zones , fracture , gradient damage , isogeometric analysis , NURBS , T-splines Engineering , Geoengineering, Foundations, Hydraulics , Geotechnical Engineering & Applied Earth Sciences , Geophysics and Environmental Physics

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