The use of visco-elastoplastic damage constitutive model to simulate nonlinear behavior of concrete

2011 ◽  
Vol 24 (5) ◽  
pp. 411-428 ◽  
Author(s):  
Jun Liu ◽  
Gao Lin ◽  
Bing Fu ◽  
Hong Zhong
Keyword(s):  
Constitutive Model ◽  
Nonlinear Behavior ◽  
Damage Constitutive Model ◽  
Elastoplastic Damage

scholarly journals A Multiparameter Damage Constitutive Model for Rock Based on Separation of Tension and Shear

2015 ◽  
Vol 2015 ◽  
pp. 1-10 ◽  
Author(s):  
YanHui Yuan ◽  
Ming Xiao
Keyword(s):  
Constitutive Model ◽  
Damage Model ◽  
Damage Mechanism ◽  
Internal Variable ◽  
Damage Variable ◽  
Tensor Form ◽  
Shear Damage ◽  
Damage Constitutive Model ◽  
Microscopic Damage ◽  
Elastoplastic Damage

By analysis of the microscopic damage mechanism of rock, a multiparameter elastoplastic damage constitutive model which considers damage mechanism of tension and shear is established. A revised general form of elastoplastic damage model containing damage internal variable of tensor form is derived by considering the hypothesis that damage strain is induced by the degeneration of elastic modulus. With decomposition of plastic strain introduced, the forms of tension damage variable and shear damage variable are derived, based on which effects of tension and shear damage on material’s stiffness and strength are considered simultaneously. Through the utilizing of Zienkiewicz-Pande criterion with tension limit, the specific form of the multiparameter damage model is derived. Numerical experiments show that the established model can simulate damage behavior of rock effectively.

An elastoplastic damage constitutive model for concrete

2013 ◽  
Vol 27 (2) ◽  
pp. 169-182 ◽  
Author(s):  
Jun Liu ◽  
Gao Lin ◽  
Hong Zhong
Keyword(s):  
Constitutive Model ◽  
Damage Constitutive Model ◽  
Elastoplastic Damage
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