Abstract
A stress-update algorithm for the subloading surface Cam-clay model is developed. The model is re-formulated to be compatible with the multiplicative hyperelasto-plasticity for finite strains. The algorithm aims at synthesizing the phenomenological capability of the subloading surface model and the numerical advantage of the return mapping. A closed-form representation of the algorithmic tangent is also derived. The proposed algorithm is implemented into a finite-element code and is shown to be capable of producing accurate results even for large incremental steps. Numerical examples of boundary-value problems demonstrate the robustness of the algorithm.
Original language | English |
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Pages (from-to) | 634-658 |
Number of pages | 25 |
Journal | International Journal of Plasticity |
Volume | 26 |
Issue number | 5 |
DOIs | |
Publication status | Published - 2010 May |
Keywords
- Cam-clay
- Finite strain
- Return mapping
- Subloading surface
ASJC Scopus subject areas
- Materials Science(all)
- Mechanics of Materials
- Mechanical Engineering