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EFFICIENCY OF DAMAGE-PLASTICITY MODELS IN …
ECCOMAS Congress 2016 VII European Congress on Computational Methods in Applied Sciences and EngineeringM. Papadrakakis, V. Papadopoulos, G. Stefanou, V. Plevris (eds.)Crete Island, Greece, 5 10 June 2016 EFFICIENCY OF DAMAGE-PLASTICITY MODELS IN CAPTURINGCOMPACTION-EXPANSION TRANSITION OF CONCRETE UNDERDIFFERENT COMPRESSION LOADING CONDITIONSReza Mousavi1, Masoud D. Champiri2, and Kaspar J. Willam31 University of Houston, Department of Civil EngineeringHouston , TXe-mail: of Houston, Department of Civil EngineeringHouston , TXe-mail: of Houston, Department of Civil EngineeringHouston , TXe-mail: damage , plasticity , dilation, multiaxial pre- and post-peak performance features of two widely used damage -plasticityconstitutive formulations are assessed for modeling the multiaxial response behavior of pres-sure sensitive quasi-brittle materials such as concrete.
R. Mousavi, M. D. Champiri and K. J. Willam The damage variable in CDP model is defined as scalar quantity which is different in compres-sion and tension [3]. the uniaxial version of this parameter is defined as follow:
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