Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Applying the Cracking Elements Method for Analyzing the Damaging Processes of Structures with Fissures

Version 1 : Received: 22 August 2020 / Approved: 24 August 2020 / Online: 24 August 2020 (05:59:51 CEST)

How to cite: Dong, Q.; Wu, J.; Sun, Z.; Yan, X.; Zhang, Y. Applying the Cracking Elements Method for Analyzing the Damaging Processes of Structures with Fissures. Preprints 2020, 2020080505 (doi: 10.20944/preprints202008.0505.v1). Dong, Q.; Wu, J.; Sun, Z.; Yan, X.; Zhang, Y. Applying the Cracking Elements Method for Analyzing the Damaging Processes of Structures with Fissures. Preprints 2020, 2020080505 (doi: 10.20944/preprints202008.0505.v1).

Abstract

In this work, the recently proposed cracking elements method (CEM) is used for simulating the damaging processes of structures with initial imperfections. CEM is built in the framework of conventional FEM which is formally like a special type of finite element. The disconnected piecewise cracks are used for representing crack paths. Taking the advantages of CEM that both the initiations and propagations of cracks can be naturally captured, we numerically study the uni-axial compression tests of specimens with multiple joints and fissures, where the cracks may propagate from the tips, or from some other unexpected positions. Though uni-axial compression tests are considered, mainly tensile damage criteria are used in the numerical model. On one hand, the results demonstrate the robustness and effectiveness of the CEM while on the other hand, some drawbacks of the present model are demonstrated, showing the future work.

Subject Areas

Quasi-brittle material; cracking elements method; Uni-axial compression tests

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