Second-order cone programming formulation for consolidation analysis of saturated porous media
- Publisher:
- SPRINGER
- Publication Type:
- Journal Article
- Citation:
- Computational Mechanics, 2016, 58, (1), pp. 29-43
- Issue Date:
- 2016-07-01
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Filename | Description | Size | |||
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Zhang2016_Article_Second-orderConeProgrammingFor.pdf | Published version | 1.91 MB |
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In this paper, the incremental problem for consolidation analysis of elastoplastic saturated porous media is formulated and solved using second-order cone programming. This is achieved by the application of the Hellinger-Reissner variational theorem, which casts the governing equations of Biot’s consolidation theory as a min-max optimisation problem. Themin-max problem is then discretised using the finite element method and converted into a standard second-order cone programming problem that can be solved efficiently using modern optimisation algorithms (such as the primaldual interior-point method). The proposed computational formulation is verified against a number of benchmark examples and also applied to simulate the construction of a road embankment on soft clay.
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