A phase-field crack model based on directional stress decomposition

Volume: 63, Issue: 5, Pages: 1019 - 1046
Published: May 1, 2019
Abstract
Phase-field crack approximation relies on the proper definition of the crack driving strain energy density to govern the crack evolution and a realistic model for the modified stresses on the crack surface. A novel approach, the directional split, is introduced, analyzed and compared to the two commonly used formulations, which are the spectral split and the volumetric---deviatoric split. The directional split is based on the decomposition of...
Paper Details
Title
A phase-field crack model based on directional stress decomposition
Published Date
May 1, 2019
Volume
63
Issue
5
Pages
1019 - 1046
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