In this study, a procedure to account for transverse shear deformation in the absolute nodal coordinate formulation is presented. In the absolute nodal coordinate formulation, shear deformation is usually defined by employing the slope vectors in the element transverse direction. This leads to the description of deformation modes that are, in practical problems, associated with high frequencies. These high frequencies, in turn, complicate the time integration procedure burdening numerical performance. In this study, the description of transverse shear deformation is accounted for in a two-dimensional beam element based on the absolute nodal coordinate formulation without the use of transverse slope vectors. In the introduced shear deformable beam element, slope vectors are replaced by vectors that describe the orientation of the beam cross-section. This procedure represents a simple enhancement that does not decrease the accuracy or numerical performance of elements based on the absolute nodal coordinate formulation. Numerical results are presented in order to demonstrate the accuracy of the introduced element in static and dynamic cases. The numerical results obtained using the introduced element agree with the results obtained using previously proposed shear deformable beam elements.
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January 2009
Research Papers
Inclusion of Transverse Shear Deformation in a Beam Element Based on the Absolute Nodal Coordinate Formulation
Aki Mikkola,
Aki Mikkola
Department of Mechanical Engineering,
Lappeenranta University of Technology
, Skinnarilankatu 34, 53851 Lappeenranta, Finland
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Oleg Dmitrochenko,
Oleg Dmitrochenko
Department of Mechanical Engineering,
Lappeenranta University of Technology
, Skinnarilankatu 34, 53851 Lappeenranta, Finland
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Marko Matikainen
Marko Matikainen
Department of Mechanical Engineering,
Lappeenranta University of Technology
, Skinnarilankatu 34, 53851 Lappeenranta, Finland
Search for other works by this author on:
Aki Mikkola
Department of Mechanical Engineering,
Lappeenranta University of Technology
, Skinnarilankatu 34, 53851 Lappeenranta, Finland
Oleg Dmitrochenko
Department of Mechanical Engineering,
Lappeenranta University of Technology
, Skinnarilankatu 34, 53851 Lappeenranta, Finland
Marko Matikainen
Department of Mechanical Engineering,
Lappeenranta University of Technology
, Skinnarilankatu 34, 53851 Lappeenranta, FinlandJ. Comput. Nonlinear Dynam. Jan 2009, 4(1): 011004 (9 pages)
Published Online: November 11, 2008
Article history
Received:
August 2, 2007
Revised:
March 27, 2008
Published:
November 11, 2008
Citation
Mikkola, A., Dmitrochenko, O., and Matikainen, M. (November 11, 2008). "Inclusion of Transverse Shear Deformation in a Beam Element Based on the Absolute Nodal Coordinate Formulation." ASME. J. Comput. Nonlinear Dynam. January 2009; 4(1): 011004. https://doi.org/10.1115/1.3007907
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