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On constitutive equations for arbitrary stress-strain control in multi-surface plasticity
Luleå tekniska universitet.
1998 (English)In: International Journal of Solids and Structures, ISSN 0020-7683, E-ISSN 1879-2146, Vol. 35, no 20, p. 2655-2678Article in journal (Refereed) Published
Abstract [en]

The structure of incremental constitutive equations in multi-surface plasticity is discussed with respect to different choices of state and control variables. The state and control variables can combine stresses and strains as long as they are decomposed into energy-conjugate parts. A general uniqueness condition is established for non-associated flow rules and any choice of control variables. Furthermore, proper tangent constitutive matrices are given within each loading/unloading region. The theory is demonstrated in a simple example involving Tresca's yield condition

Place, publisher, year, edition, pages
1998. Vol. 35, no 20, p. 2655-2678
National Category
Infrastructure Engineering
Research subject
Structural Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-4035DOI: 10.1016/S0020-7683(97)00190-XLocal ID: 1e544f10-0b94-11dd-9b51-000ea68e967bOAI: oai:DiVA.org:ltu-4035DiVA: diva2:976897
Note
Godkänd; 1998; 20080416 (cira)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-21Bibliographically approved

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