Abstract
This paper deals with the description of the absolute nodal coordinate formulation (ANCF) which is suitable for the flexible bodies modelling considering large deformation. As it is shown for beam ANCF elements, this formulation leads to the nonlinear expression of elastic forces, which could be the main disadvantage of the ANCF. The evaluation of these forces can be done by numerical integration in each computational step or by analytical derivation with the help of a software for symbolic operations. The computational performance of various elastic forces evaluation strategies is investigated using a benchmark problem of falling flexible pendulum.
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References
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Acknowledgments
The first author was supported by the project LO1506 of the Czech Ministry of Education, Youth and Sports and the second author was supported by the project 15-20134S of the Czech Science Foundation.
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Bulín, R., Hajžman, M. (2017). Various Strategies of Elastic Forces Evaluation in the Absolute Nodal Coordinate Formulation. In: Beran, J., Bílek, M., Žabka, P. (eds) Advances in Mechanism Design II. Mechanisms and Machine Science, vol 44. Springer, Cham. https://doi.org/10.1007/978-3-319-44087-3_23
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DOI: https://doi.org/10.1007/978-3-319-44087-3_23
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