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- Title
3D modelling of brittle fracture using a joint all-atom and phase-field approach.
- Authors
Padilla, C. A. Hernandez; Patil, S. P.; Heider, Y.; Markert, B.
- Abstract
The following research contribution addresses the topic of fracture in highly brittle materials considering a combined computational approach, which includes physically-motivated molecular dynamics (MD) simulations and multi-dimensional phase-field modelling (PFM). This novel approach provides an efficient and accurate insight into multi-scale fracture modelling. In particular, MD simulations are performed to predict crack propagation on the nano-scale, which helps to determine material and other model parameters required for the PFM continuum approach. In this connection, this contribution introduces and discusses a 3D PFM of mode-I fracture using the parameters that are based on the comparison between 2D PFM solutions and MD simulations, introduced in previous works of the authors [1].
- Subjects
CRACK propagation (Fracture mechanics); BRITTLE material fracture; PHASE transitions; MATHEMATICAL models; MOLECULAR dynamics
- Publication
GAMM Mitteilungen, 2017, Vol 40, Issue 2, p91
- ISSN
0936-7195
- Publication type
Article
- DOI
10.1002/gamm.201720002