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Curved and Layered Structures

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Static-kinematic duality in beams, plates, shells and its central role in the finite element method

Alberto Carpinteri
  • Politecnico di Torino, Department of Structural, Geotechnical and Building Engineering, Corso Duca degli Abruzzi 24, 10129 Torino, Italy
  • Other articles by this author:
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Published Online: 2017-05-03 | DOI: https://doi.org/10.1515/cls-2017-0005


Static and kinematic matrix operator equations are revisited for one-, two-, and three-dimensional deformable bodies. In particular, the elastic problem is formulated in the details in the case of arches, cylinders, circular plates, thin domes, and, through an induction process, shells of revolution. It is emphasized how the static and kinematic matrix operators are one the adjoint of the other, and then demonstrated through the definition of stiffness matrix and the application of virtual work principle. From the matrix operator formulation it clearly emerges the identity of the usual Finite Element Method definition of elastic stiffness matrix and the classical definition of Ritz-Galerkin matrix.


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About the article

Received: 2016-11-16

Accepted: 2016-11-28

Published Online: 2017-05-03

Published in Print: 2017-01-26

Citation Information: Curved and Layered Structures, Volume 4, Issue 1, Pages 38–51, ISSN (Online) 2353-7396, DOI: https://doi.org/10.1515/cls-2017-0005.

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© 2017. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License. BY-NC-ND 4.0

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