Experimental and numerical research on the failure pattern and mechanisms of granite disc with a pre-crack after heating and liquid nitrogen cooling

Zhang, Yuliang; Ma, Guowei; Sun, Qiang; Ge, Zhenlong; Wei, Xindong; Li, Zhe; Rui, Fuxin

doi:10.1016/j.ijrmms.2024.105659

International Journal of Rock Mechanics and Mining Sciences

2024

DOI: 10.1016/j.ijrmms.2024.105659

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Experimental and numerical research on the failure pattern and mechanisms of granite disc with a pre-crack after heating and liquid nitrogen cooling

Yuliang Zhang,

Guowei Ma,

Qiang Sun

et al.

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Cited by 8 publications

References 47 publications

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Implementation of the Zienkiewicz–Pande Model into a Four‐Dimensional Lattice Spring Model for Plasticity and Fracture

Wei,

Li,

Zhao

2024

Num Anal Meth Geomechanics

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Plasticity and fracture problems have always been hot topics in numerical methods. In this work, a universal implementation procedure for the elasto‐plastic constitutive model is developed in the four‐dimensional lattice spring model (4D‐LSM), in which the Jaumann stress rate is incorporated to exclude the influence of the rigid rotation in the particle stress, expanding the ability of 4D‐LSM to deal with large elastic deformation problems by its own to large plastic deformation problems. As an example, the Zienkiewicz–Pande (ZP) constitutive model is implemented. Several numerical examples are carried out to check the performance of the implemented model. Through a comparison with analytical solutions, available experimental data, and other numerical results, the stability of the developed plastic framework and the correctness of the stress calculation scheme are verified. Meanwhile, numerical results show that the developed code is capable of solving elasto‐plastic large deformation problems. With the advantage of 4D‐LSM in handling fracture problems, the ability of the embedded model to solve plastic fracture problems is verified with a simple maximum deformation failure criterion.

show abstract

Implementation of the Zienkiewicz–Pande Model into a Four‐Dimensional Lattice Spring Model for Plasticity and Fracture

Wei,

Li,

Zhao

2024

Num Anal Meth Geomechanics

View full text Add to dashboard Cite

show abstract

Damage evolution and acoustic emission characteristics of hard rock under high temperature thermal cycles

Zhong,

Gu,

Huang

et al. 2024

J Therm Anal Calorim

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Acoustic emission real-time monitoring and analysis of microwave thermal damage of granite

Gu,

Sun,

Geng

et al. 2024

Environ Earth Sci

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Experimental and numerical research on the failure pattern and mechanisms of granite disc with a pre-crack after heating and liquid nitrogen cooling

Cited by 8 publications

References 47 publications

Implementation of the Zienkiewicz–Pande Model into a Four‐Dimensional Lattice Spring Model for Plasticity and Fracture

Implementation of the Zienkiewicz–Pande Model into a Four‐Dimensional Lattice Spring Model for Plasticity and Fracture

Damage evolution and acoustic emission characteristics of hard rock under high temperature thermal cycles

Acoustic emission real-time monitoring and analysis of microwave thermal damage of granite

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