Error behaviour in explicit integration algorithms with automatic substepping

What is it about?

The paper studies the behaviour of the error incurred when numerically integrating the elasto-plastic mechanical relationships of a constitutive model for soils using an explicit substepping formulation with automatic error control. Based on the fact that the variation of the local error with the size of the integrated strain depends on the order of local accuracy of the numerical method used, a simple and powerful strategy to verify the correctness of the implemented mathematical formulation is then proposed.

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