The Elastic-Plastic Finite-Element Method
The rigid-plastic and viscoplastic finite-element techniques described in the previous chapters are useful approaches to the modelling of metal deformation when the elastic component of strain may reasonably be ignored. This is often the case, for example, for hot working conditions. In other situations, it is important to take into account the elastic as well as the plastic deformation of the material, and it is vital to do so if the unloading behaviour is to be predicted.
KeywordsDeviatoric Stress Strain Increment Hydrostatic Stress Yield Locus Plastic Strain Increment
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