Detail publikace

On the Proportionality of Damage Rule in Finite Element Simulations of the Ductile Failure

Originální název

On the Proportionality of Damage Rule in Finite Element Simulations of the Ductile Failure

Anglický název

On the Proportionality of Damage Rule in Finite Element Simulations of the Ductile Failure

Jazyk

en

Originální abstrakt

Extended Mohr-Coulomb criterion which is uncoupled, therefore the plasticity is not influenced by the damage, was selected and calibrated. Experiments on the aluminum alloy 2024-T351 were carried out. Further, the impact of the damage rule proportionality was investigated. The damage exponent was sequentially held 1, 2 and 3, respectively. Therefore, the influence of the damage rate on the damage failure in finite element simulations was examined. Numerical simulations of the tensile test of smooth and notched cylindrical specimens and flat grooved specimen were performed. It is also shown that there is inability to predict slant fracture by uncoupled models for flat grooved specimen and in the final phase of tensile tests of cylindrical specimens.

Anglický abstrakt

Extended Mohr-Coulomb criterion which is uncoupled, therefore the plasticity is not influenced by the damage, was selected and calibrated. Experiments on the aluminum alloy 2024-T351 were carried out. Further, the impact of the damage rule proportionality was investigated. The damage exponent was sequentially held 1, 2 and 3, respectively. Therefore, the influence of the damage rate on the damage failure in finite element simulations was examined. Numerical simulations of the tensile test of smooth and notched cylindrical specimens and flat grooved specimen were performed. It is also shown that there is inability to predict slant fracture by uncoupled models for flat grooved specimen and in the final phase of tensile tests of cylindrical specimens.

Dokumenty

BibTex


@inproceedings{BUT108064,
  author="František {Šebek} and Jiří {Hůlka} and Petr {Kubík} and Jindřich {Petruška}",
  title="On the Proportionality of Damage Rule in Finite Element Simulations of the Ductile Failure",
  annote="Extended Mohr-Coulomb criterion which is uncoupled, therefore the plasticity is not influenced by the damage, was selected and calibrated. Experiments on the aluminum alloy 2024-T351 were carried out. Further, the impact of the damage rule proportionality was investigated. The damage exponent was sequentially held 1, 2 and 3, respectively. Therefore, the influence of the damage rate on the damage failure in finite element simulations was examined. Numerical simulations of the tensile test of smooth and notched cylindrical specimens and flat grooved specimen were performed. It is also shown that there is inability to predict slant fracture by uncoupled models for flat grooved specimen and in the final phase of tensile tests of cylindrical specimens.",
  booktitle="Modern Technologies for Engineering, Applied Mechanics and Material Science",
  chapter="108064",
  howpublished="print",
  year="2014",
  month="june",
  pages="189--193",
  type="conference paper"
}