Abbreviations
- E :
-
Elastic modulus
- ν :
-
Poisson’s ratio
- ɛ v :
-
Volumetric strain
- p :
-
Mean stress
- q :
-
Deviatoric stress
- A :
-
Parameter of plastic yield surface
- C 0 :
-
Parameter of plastic yield surface
- s ij :
-
Deviatoric stress tensor
- δ ij :
-
Second-order unit tensor
- p 0 :
-
Normalizing coefficient for plastic yield surface
- θ :
-
Lode’s angle
- Y p d :
-
Thermodynamic state equation of damage evolution
- d :
-
Damage variable
- d c :
-
Maximum threshold of the damage variable
- B d :
-
Parameter of damage criterion controlling the damage evolution rate
- α p :
-
Plastic hardening function
- α 0p :
-
Initial value of α p
- γ p :
-
Equivalent plastic shear strain
- B :
-
Plastic hardening parameter
- η :
-
Parameter of plastic potential function
- I 0 :
-
Variable of plastic potential function
- λ s :
-
Plastic multiplier
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Acknowledgments
This work was supported by the National Natural Science Foundation of China (Grant Nos. 11172090, 51479049 and 51209075).
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Liu, L., Xu, W.Y., Zhao, L.Y. et al. An Experimental and Numerical Investigation of the Mechanical Behavior of Granite Gneiss Under Compression. Rock Mech Rock Eng 50, 499–506 (2017). https://doi.org/10.1007/s00603-016-1067-0
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DOI: https://doi.org/10.1007/s00603-016-1067-0