Field-Enriched Finite-Element Method for Simulating Crack Propagation and Coalescence in Geomaterials
Publication: Journal of Engineering Mechanics
Volume 147, Issue 10
Abstract
A field-enriched finite-element method for simulating crack propagation and coalescence in geomaterials is proposed in this work. In the novel numerical method, the physical position of the crack is characterized by the field variables, and the propagation evolution of the crack is controlled by the fracture criterion. The field-enriched finite-element method is first verified by a benchmark example. Then, it is used to simulate crack initiation, propagation, and coalescence in the different configuration specimens under various loads. The numerical results show that the field-enriched finite-element method has the capability to efficiently simulate crack propagation and coalescence in geomaterials.
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Data Availability Statement
All codes used in this study are available from the corresponding author upon reasonable request.
Acknowledgments
The work is supported by the National Natural Science Foundation of China (Nos. 52027814 and 51839009) and by Graduate Research and Innovation Foundation of Chongqing, China (Grant No. CYB20030), which are gratefully acknowledged.
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Received: Aug 11, 2020
Accepted: Apr 9, 2021
Published online: Jul 23, 2021
Published in print: Oct 1, 2021
Discussion open until: Dec 23, 2021
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