2021
DOI: 10.1002/pamm.202000069
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Rot‐free finite elements for gradient‐enhanced formulations at finite strains

Abstract: This contribution presents a mixed C 0 continuous finite element approach for gradient enriched formulations. The approach is based on a split of the Lagrange multiplier into a gradient and a rotational part, through which a decoupled set of variational equations is obtained. Application to numerical examples in the finite strain gradient elasticity framework unveils the reduced computational effort due to the decoupled character of the global system of equations such as the ability to avoid stress localizatio… Show more

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