Strength-induced peridynamic modeling and simulation of fractures in brittle materials
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Accepted manuscript
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2022-12-04
Type
ArticleAuthors
Wang, Yongwei
Han, Fei

Lubineau, Gilles

Date
2020-12-04Embargo End Date
2022-12-04Submitted Date
2020-04-28Permanent link to this record
http://hdl.handle.net/10754/666337
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This paper presents a hybrid peridynamics and classical continuum mechanics modeling approach for brittle fracture, in which peridynamics is activated according to a strength criterion. The proposed approach represents a new way of simulating the fracture process, including elastic deformation and crack nucleation and propagation. Classical continuum mechanics and peridynamics are coupled into a closed equation system, and an adaptive algorithm is developed to solve it. The algorithm initially employs classical continuum mechanics throughout the entire structure to describe its mechanical response. Once the stress state of a point reaches the strength of the material, peridynamics is adaptively activated in the vicinity of that point to further describe the crack nucleation and propagation processes. Two-dimensional numerical examples illustrate that successful fracture simulations of complex structure can be achieved by this approach.Citation
Wang, Y., Han, F., & Lubineau, G. (2021). Strength-induced peridynamic modeling and simulation of fractures in brittle materials. Computer Methods in Applied Mechanics and Engineering, 374, 113558. doi:10.1016/j.cma.2020.113558Sponsors
The authors gratefully acknowledge the financial support received from the National Natural Science Foundation of China, PR China (11872016), the Fundamental Research Funds of Dalian University of Technology, PR China (Grant No. DUT20RC(5)005), and KAUST, Saudi Arabi baseline for the completion of this work.Publisher
Elsevier BVAdditional Links
https://linkinghub.elsevier.com/retrieve/pii/S004578252030743Xae974a485f413a2113503eed53cd6c53
10.1016/j.cma.2020.113558