Abstract
A new 2D quadrilateral element is developed for the modelling of 2D incompressible rigid/viscoplastic problems: the QMITC-3F. The element formulation is based on the interpolation of three fields: velocities, strain rates and pressures. The incompressibility constraint is enforced using an Augmented Lagrangian technique. The new element is used in conjunction with the flow formulation and the pseudo-concentrations technique for modelling bulk metal forming processes.
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Communicated by S. N. Atluri, 18 August 1995
Dedicated to J. C. Simo
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Dvorkin, E.N., Cavaliere, M.A. & Goldschmit, M.B. A three field element via Augmented Lagrangian for modelling bulk metal forming processes. Computational Mechanics 17, 1–9 (1995). https://doi.org/10.1007/BF00356474
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DOI: https://doi.org/10.1007/BF00356474