An adaptive multigrid solver for plate vibration and buckling problems

Salvatore Lopez, Stefania Fortino, Raffaele Casciaro

Research output: Contribution to journalArticleScientificpeer-review

5 Citations (Scopus)

Abstract

The paper describes a finite element multigrid strategy for the solution of plate vibration and buckling problems. The solution procedure combines the residual iteration scheme used in Casciaro R, Aristodemo M. International Conference on Finite Elements Nonlinear Solid and Structural Mechanics, Gelio, Norway, 1977, (main loop) with the adaptive multigrid scheme proposed in Lopez S, Casciaro R. International Journal of Numerical methods in Engineering 1997;40:919-96. A subspace iteration technique allows several principal eigensolutions to be obtained simultaneously. The sequence of meshes used by the multigrid process is generated through an adaptive local refinement based on the Zienkiewicz - Zhu estimate of the discretization error Zienkiewicz OC, Zhu JZ. International Journal of Numerical Methods in Engineering 1987;24:337-57. A pointer-based data structure and an HC Aristoderno M. Computers and Structures 1985;21(5):987-93, finite element discretization make the solution process highly efficient. Some numerical tests show the effectiveness of the algorithm.

Original languageEnglish
Pages (from-to)625-637
Number of pages13
JournalComputers and Structures
Volume69
Issue number5
DOIs
Publication statusPublished - 1 Jan 1998
MoE publication typeNot Eligible

Fingerprint

Buckling
Vibration
Numerical methods
Numerical Methods
Engineering
Structural Mechanics
Adaptive Refinement
Local Refinement
Solid Mechanics
Nonlinear Finite Element
Iteration Scheme
Discretization Error
Finite Element Discretization
Data structures
Data Structures
Mechanics
Subspace
Mesh
Finite Element
Iteration

Keywords

  • Eigenvalue analysis
  • Local refinement
  • Multigrid methods

Cite this

Lopez, Salvatore ; Fortino, Stefania ; Casciaro, Raffaele. / An adaptive multigrid solver for plate vibration and buckling problems. In: Computers and Structures. 1998 ; Vol. 69, No. 5. pp. 625-637.
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An adaptive multigrid solver for plate vibration and buckling problems. / Lopez, Salvatore; Fortino, Stefania; Casciaro, Raffaele.

In: Computers and Structures, Vol. 69, No. 5, 01.01.1998, p. 625-637.

Research output: Contribution to journalArticleScientificpeer-review

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