A class of plastic constitutive equations with vertex effect. IV. Applications to prediction of forming limit strains of metal sheets under nonproportional loadings

DOI10.1016/0020-7683(85)90001-0zbMath0621.73038OpenAlexW2049770525MaRDI QIDQ1090496

Manabu Gotoh

Publication date: 1985

Published in: International Journal of Solids and Structures (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/0020-7683(85)90001-0

zbMATH Keywords

proportional loadingnonproportional loadingstrain-path changearbitrarily curved strain-pathsbreakage conditionforming limit strainslocalized bifurcation conditionmetal sheetsplastic constitutive equationsstraight strain pathwith unloadingwithout unloading

Mathematics Subject Classification ID

Large-strain, rate-dependent theories of plasticity (74C20) Large-strain, rate-independent theories of plasticity (including nonlinear plasticity) (74C15) Plastic materials, materials of stress-rate and internal-variable type (74C99)

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