Large deflection analysis of frames by elements containing higher-order terms

Authors

  • Nguyen Dinh Kien Institute of Mechanics, NCST of Vietnam
  • Do Quoc Quang Research Institute of Technology for Machinery, Ministry of Industry

DOI:

https://doi.org/10.15625/0866-7136/25/4/6595

Abstract

In this paper, the beam elements using higher-order terms for large deflection analysis of elastic frames are discussed. The elements based on the co-rotational method are derived using the strain energy and effective strains. The arc-length method is employed as numerical algorithm to compute the equilibrium paths. A number of numerical examples are studied to verify and compare the developed formulations. The obtained results show that while the inclusion of second-order local rotation contributes to some improvement in the accuracy, the higher-order axial strain hardly improves the numerical results. With the employment of the higher-order term elements, the accuracy in numerical analysis may be attained at coarser meshes.

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Published

31-12-2003

How to Cite

Kien, N. D., & Quang, D. Q. (2003). Large deflection analysis of frames by elements containing higher-order terms. Vietnam Journal of Mechanics, 25(4), 243–254. https://doi.org/10.15625/0866-7136/25/4/6595

Issue

Section

Research Paper

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