2015
DOI: 10.1016/j.compstruct.2015.06.071
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A class of higher-order C0 composite and sandwich beam elements based on the Refined Zigzag Theory

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Cited by 57 publications
(27 citation statements)
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“…By taking into account the additional strength of RZT, mainly, the possibility to develop beam [97,98,99,100,101,102,103], plate and shell finite elements, [104,105,106,107,108], like ESL FSDT, in my opinion RZT represents, among the first-order zigzag theories, the best compromise between computational efficiency and numerical accuracy. …”
Section: Discussionmentioning
confidence: 99%
“…By taking into account the additional strength of RZT, mainly, the possibility to develop beam [97,98,99,100,101,102,103], plate and shell finite elements, [104,105,106,107,108], like ESL FSDT, in my opinion RZT represents, among the first-order zigzag theories, the best compromise between computational efficiency and numerical accuracy. …”
Section: Discussionmentioning
confidence: 99%
“…Using full integration Gaussian quadrature scheme the stiffness and mass matrices and nodal loads vector are computed. This work is an extension to the plate of the approach successfully applied to the beam in Gherlone et al [26] and Di Sciuva et al [34].…”
Section: Introductionmentioning
confidence: 96%
“…The reader interested in a comparison of the performances and range of applicability of various zigzag functions is invited to read the paper of Gherlone [25]. From a computational point of view, the formulation of finite elements based on the RZT requires only C 0 continuity of shape functions [26][27][28][29][30][31][32][33][34][35][36][37][38]. Although C 0 -continous elements are the most-widely used in commercial finite element software due to their computational efficiency, it is well known that overstiff unrealistic numerical results are obtained when using the conventional low-order isoparametric C 0 finite elements (bi-linear shape functions for both deflection and bending rotation) in the analysis of thin and very thin plates; this phenomenon is known in the literature as the transverse shear-locking effect, according to Oñate [38][39][40].…”
Section: Introductionmentioning
confidence: 99%
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“…The governing equations of the new theory, denoted by RZT (m) , are then derived as the EulerLagrange equations of the strain energy functional, and are found to provide accurate transverse shear stress results from the underlying model assumption. In follow-up works the formulation was extended to plates [42,43].…”
Section: Mixed-variational Theoriesmentioning
confidence: 99%