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Multiscale resolution continuum theory for elastic plastic material with damage, an implicit 3D implementation
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Mechanics of Solid Materials.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Mechanics of Solid Materials.
Northwestern University, Evanston.
College of Material Science and Engineering, Chongqing University.
2013 (English)In: Computational Plasticity XII: Fundamentals and Applications - Proceedings of the 12th International Conference on Computational Plasticity - Fundamentals and Applications, COMPLAS 2013, Barcelona, 2013, 1448-1457 p.Conference paper (Refereed)
Abstract [en]

The multiscale resolution continuum theory (MRCT) [1] is a higher order continuum theory in which additional kinematic variables are added to account for the size effect at several distinct length scales. This remedies the deficiency of the conventional continuum approach when predicting both strain softening and strain hardening materials and resolves the microstructure details without extremely fine mesh in the localization zone, however additional nodal degrees of freedom are needed and the requirement of element size at the length scale somewhat adds to the computational burden. This paper is an extension of the simplified 1D multiscale implementation presented in Complas XI 2011 [14]. A 3D elastic-plastic multiscale element, with one additional subscale in which the damage is applied, is implemented implicitly in the general purpose finite element analysis program FEAP.

Place, publisher, year, edition, pages
Barcelona, 2013. 1448-1457 p.
Research subject
Material Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-39275Local ID: df0eb0ee-732c-4f1d-afa3-8e33e12160cbISBN: 9788494153150OAI: oai:DiVA.org:ltu-39275DiVA: diva2:1012785
Conference
International Conference on Computational Plasticity. Fundamentals and Applications : 03/09/2013 - 05/09/2013
Note
Godkänd; 2013; 20140115 (andbra)Available from: 2016-10-03 Created: 2016-10-03Bibliographically approved

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