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Comparison of three-dimensional flexible beam elements for dynamic analysis: Finite element method and absolute nodal coordinate formulation

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Abstract

Three formulations for a flexible spatial beam element for dynamic analysis are compared: a finite element method (FEM) formulation, an absolute nodal coordinate (ANC) formulation with a continuum mechanics approach and an ANC formulation with an elastic line concept where the shear locking of the asymmetric bending mode is suppressed by the application of the Hellinger-Reissner principle. The comparison is made by means of an eigenfrequency analysis on two stylized problems. It is shown that the ANC continuum approach yields too large torsional and flexural rigidity and that shear locking suppresses the asymmetric bending mode. The presented ANC formulation with the elastic line concept resolves most of these problems.

Original languageEnglish
Title of host publicationASME 2005 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
Subtitle of host publicationSeptember 24–28, 2005 Long Beach, California, USA
PublisherAmerican Society of Mechanical Engineers
Pages1341-1349
Number of pages9
Volume6B
ISBN (Print)9780791847435
DOIs
Publication statusPublished - 2005
Externally publishedYes
Event5th International Conference on Multibody Systems, Nonlinear Dynamics, and Control 2005 - Long Beach, CA, United States
Duration: 24 Sept 200528 Sept 2005

Conference

Conference5th International Conference on Multibody Systems, Nonlinear Dynamics, and Control 2005
Country/TerritoryUnited States
CityLong Beach, CA
Period24/09/0528/09/05

Keywords

  • n/a OA procedure

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