Abstract
Phase-field approaches to fracture allow for convenient and efficient simulation of complex fracture pattern. In this paper, two variational formulations of phase-field fracture, a common second-order model and a new fourth-order model, are combined with a finite deformation ansatz for general nonlinear materials. The material model is based on a multiplicative decomposition of the principal stretches in a tensile and a compressive part. The excellent performance of the new approach is illustrated in classical numerical examples.
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Communicated by Ralf Müller.
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Weinberg, K., Hesch, C. A high-order finite deformation phase-field approach to fracture. Continuum Mech. Thermodyn. 29, 935–945 (2017). https://doi.org/10.1007/s00161-015-0440-7
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DOI: https://doi.org/10.1007/s00161-015-0440-7