2021
DOI: 10.1007/s00466-020-01969-0
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Accurate and locking-free analysis of beams, plates and shells using solid elements

Abstract: This paper investigates the capacity of solid finite elements with independent interpolations for displacements and strains to address shear, membrane and volumetric locking in the analysis of beam, plate and shell structures. The performance of the proposed strain/displacement formulation is compared to the standard one through a set of eleven benchmark problems. In addition to the relative performance of both finite element formulations, the paper studies the effect of discretization and material characteris… Show more

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Cited by 8 publications
(2 citation statements)
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“…Recently, a new mixed strain/displacement FE including the B approximation has been presented as the ε/ B element to tackle nearly incompressible conditions with enhanced stress/strain accuracy (Saloustros et al, 2021) for beams, plates and shells problems.…”
Section: The Use Of Stabilized Fes To Address the Incompressibility P...mentioning
confidence: 99%
See 1 more Smart Citation
“…Recently, a new mixed strain/displacement FE including the B approximation has been presented as the ε/ B element to tackle nearly incompressible conditions with enhanced stress/strain accuracy (Saloustros et al, 2021) for beams, plates and shells problems.…”
Section: The Use Of Stabilized Fes To Address the Incompressibility P...mentioning
confidence: 99%
“…Mixed finite elements have been extensively used to solve problems involving softening behavior in damage and plasticity, strain localization and size-effect [27][28][29]32,[37][38][39][40][41], but few studies, so far, have been conducted considering non-isothermal behavior [42][43][44][45]. Saloustros et al (2021) [10] detail the advantages of using mixed solid elements to address typical plate, beam and shell problems; among them: this approach does not require additional kinematical hypotheses (planar sections; shear stress and warping through the thickness); does not pose compatibility problems between different elements used by the structural model; can easily accommodate construction details (e.g., web-perforated steel beams, layered elements, element-stiffeners); does not require rotational degrees of freedom and awkward boundary condition alternatives (e.g., "soft" and "hard" supports). In the specific case of thermal loading, no additional assumptions need to be made about the through thickness temperature distribution.…”
Section: Introductionmentioning
confidence: 99%