The structure of stress-strain relations in finite elasto-plasticity

DOI10.1016/0020-7683(83)90089-6zbMath0525.73046OpenAlexW2046299829MaRDI QIDQ593837

L. Palgen, Daniel C. Drucker

Publication date: 1983

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(83)90089-6

zbMATH Keywords

torsionloadany choice of symmetric conjugate stress and strain measurescombined tensionconstitutive structure of isothermal finite elasto-plasticitydifficulty of simultaneously modelling elastic and plastic modes of deformationdistinguish rotation in continuum and material senseinterior pressurelack of normalitymaterial stability at finite strainsnominal stress suited for purely elastic responsesimple extension or compression testsimplest reference state different for elastic and plastic responsesstability in Drucker's sensestatically determinate test specimensthin- walled tubetorsional testvarying cross-sectional area of test bar makes Cauchy stress appropriate for large plastic deformation

Mathematics Subject Classification ID

Nonlinear elasticity (74B20) Plastic materials, materials of stress-rate and internal-variable type (74C99) Theory of constitutive functions in solid mechanics (74A20)

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