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A Critical Evaluation of Computational Fracture Using a Smeared Crack Approach in MPM

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Please use this identifier to cite or link to this item: http://hdl.handle.net/1928/12110

A Critical Evaluation of Computational Fracture Using a Smeared Crack Approach in MPM

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dc.contributor.author Sanchez, Jason
dc.date.accessioned 2011-02-09T20:30:54Z
dc.date.available 2011-02-09T20:30:54Z
dc.date.issued 2011-02-09
dc.date.submitted December 2010
dc.identifier.uri http://hdl.handle.net/1928/12110
dc.description.abstract An evaluation of the smeared crack representation of material failure using the material-point method (MPM) as a feasible computational failure approach is performed. The spatial descretization in MPM is defined by a grid of cells that represent space and a set of points that represent the deformable solid. A grid orientation bias in the numerical results is demonstrated. Solution accuracy is lost when failure surface and grid line orientations are not aligned. Causes of the grid orientation dependence are identified, but the problem remains unresolved. Limited use of the smeared crack approach in MPM for solving problems of material failure is advised. en_US
dc.language.iso en_US en_US
dc.subject Computational Fracture en_US
dc.subject Material-point method en_US
dc.subject MPM en_US
dc.subject de-cohesion en_US
dc.subject smeared crack en_US
dc.title A Critical Evaluation of Computational Fracture Using a Smeared Crack Approach in MPM en_US
dc.type Dissertation en_US
dc.description.degree Mechanical Engineering en_US
dc.description.level Doctoral en_US
dc.description.department University of New Mexico. Dept. of Mechanical Engineering en_US
dc.description.advisor Khraishi, Tariq
dc.description.committee-member Schreyer, Howard
dc.description.committee-member Sulsky, Deborah
dc.description.committee-member Yu-Lin, Shen


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