Methodes asymptotiques numeriques pour Ia plasticite
Keywords:
non-linear computation, perturbation, finite element, asymptotic-numerical metlwd, strong non-linearity, plasticityAbstract
In this paper, we extend to strongly non-linear problems the symptotic-numerical methods, that have been previously developed in an elastic framework. Within plasticity, the tangent modulus may vary discontinuously, so the solution paths can not be represented in the form of series. In this paper, we present some application of perturbation techniques to problems regularised and discretized by finite element method. Regularisations using power law or hyperbolic type law are considered.
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References
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