The present work is aimed at evaluating different ways in which a given joint can be analyzed using the Finite Element Method. The bolt is modeled using line elements (link) or area elements (continuum) and a comparative evaluation is carried out. Each of these types is further subdivided into three categories viz., plane stress, axisymmetric, and three-dimensional models. Thus a total of six models are proposed to be analyzed and compared. As the bolt shares only a small fraction of external load in a well-tightened joint, the relative flexibility of a bracket is also studied as an example in the present work. Comparing the results of these analyses it was found that the type of model used for the bolt is more important than the type of analysis. This aspect is probed further to find the essential difference between bolt as link and bolt as continuum. The analysis is carried out using ANSYS, which enables writing many parametric programs.
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November 2005
Technical Briefs
Comparative Evaluation of Finite Element Models and Types of Analyses for a Bolted Joint
R. Padmaja,
R. Padmaja
PG Student
National Institute of Technology
, Warangal (A.P.), India-506004
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B. Kotiveerachari,
B. Kotiveerachari
Professor and Head of Mechanical Engineering
National Institute of Technology
, Warangal (A.P.), India-506004
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P. B. Godbole
P. B. Godbole
Sr. DGM (Design)
Corporate R&D,
B.H.E.L.
, Vikasnagar, Hyderabad (A.P.), India-500 093
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R. Padmaja
PG Student
National Institute of Technology
, Warangal (A.P.), India-506004
R. Ravinder Rao
Research Scholar
B. Kotiveerachari
Professor and Head of Mechanical Engineering
National Institute of Technology
, Warangal (A.P.), India-506004
P. B. Godbole
Sr. DGM (Design)
Corporate R&D,
B.H.E.L.
, Vikasnagar, Hyderabad (A.P.), India-500 093J. Mech. Des. Nov 2005, 127(6): 1207-1210 (4 pages)
Published Online: February 9, 2005
Article history
Received:
April 1, 2004
Revised:
February 9, 2005
Citation
Padmaja, R., Rao, R. R., Kotiveerachari, B., and Godbole, P. B. (February 9, 2005). "Comparative Evaluation of Finite Element Models and Types of Analyses for a Bolted Joint." ASME. J. Mech. Des. November 2005; 127(6): 1207–1210. https://doi.org/10.1115/1.2118647
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