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Communication Dans Un Congrès Année : 2021

Model-order reduction for nonlinear dynamics including nonlinearities induced by damage

Résumé

Assessing the probability of failure of a structure under seismic loading requires the simulation of a great number of similar nonlinear computations. A model-order reduction strategy is proposed for decreasing the computational cost associated to each nonlinear simulation. In this contribution, the method is illustrated to evaluate the damage evolution in a primary circuit piping component of a pressurized water reactor, subjected to accidental seismic input. Piping components are described with a damageable elasto-plastic material exhibiting a preliminary damage pattern.
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Dates et versions

hal-03654222 , version 1 (28-04-2022)

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Alexandre Daby-Seesaram, Amélie Fau, Pierre-Étienne Charbonnel, David Néron. Model-order reduction for nonlinear dynamics including nonlinearities induced by damage. 6th ECCOMAS Young Investigators Conference, Jul 2021, Valence, Spain. ⟨10.4995/YIC2021.2021.13255⟩. ⟨hal-03654222⟩
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