The objective of this study is to develop a theoretical model to simulate temperature fields in a joint simulator for various bearing conditions using finite element analyses. The frictional heat generation rate at the interface between a moving pin and a stationary base is modeled as a boundary heat source. Both the heat source and the pin are rotating on the base. We are able to conduct a theoretical study to show the feasibility of using the COMSOL software package to simulate heat transfer in a domain with moving components and a moving boundary source term. The finite element model for temperature changes agrees in general trends with experimental data. Heat conduction occurs primarily in the highly conductive base component, and high temperature elevation is confined to the vicinity of the interface in the pin. Thirty rotations of a polyethylene pin on a cobalt-chrome base for 60 s generate more than 2.26 °C in the temperature elevation from its initial temperature of 25 °C at the interface in a baseline model with a rotation frequency of 0.5 Hz. A higher heat generation rate is the direct result of a faster rotation frequency associated with intensity of exercise, and it results in doubling the temperature elevations when the frequency is increased by100%. Temperature elevations of more than 7.5 °C occur at the interface when the friction force is tripled from that in the baseline model. The theoretical modeling approach developed in this study can be used in the future to test different materials, different material compositions, and different heat generation rates at the interface under various body and environmental conditions.
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February 2014
Research-Article
Theoretical Simulation of Temperature Elevations in a Joint Wear Simulator During Rotations
Alireza Chamani,
Alireza Chamani
Department of Mechanical Engineering,
University of Maryland Baltimore County
,Baltimore, MD 21250
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Hitesh P. Mehta,
Hitesh P. Mehta
Food and Drug Administration,
Center for Devices and Radiological Health,
Office of Science and Engineering Laboratories,
Center for Devices and Radiological Health,
Office of Science and Engineering Laboratories,
Division of Chemistry and Materials Science
,Silver Spring, MD 20993
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Martin K. McDermott,
Martin K. McDermott
Food and Drug Administration,
Center for Devices and Radiological Health,
Office of Science and Engineering Laboratories,
Center for Devices and Radiological Health,
Office of Science and Engineering Laboratories,
Division of Chemistry and Materials Science
,Silver Spring, MD 20993
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Manel Djeffal,
Manel Djeffal
Food and Drug Administration,
Center for Devices and Radiological Health,
Office of Science and Engineering Laboratories,
Center for Devices and Radiological Health,
Office of Science and Engineering Laboratories,
Division of Chemistry and Materials Science
,Silver Spring, MD 20993
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Gaurav Nayyar,
Gaurav Nayyar
Food and Drug Administration,
Center for Devices and Radiological Health,
Office of Science and Engineering Laboratories,
Center for Devices and Radiological Health,
Office of Science and Engineering Laboratories,
Division of Chemistry and Materials Science
,Silver Spring, MD 20993
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Dinesh V. Patwardhan,
Dinesh V. Patwardhan
Food and Drug Administration,
Center for Devices and Radiological Health,
Office of Science and Engineering Laboratories,
Center for Devices and Radiological Health,
Office of Science and Engineering Laboratories,
Division of Chemistry and Materials Science
,Silver Spring, MD 20993
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Anilchandra Attaluri,
Anilchandra Attaluri
Radiation Oncology
& Molecular Radiation Sciences,
& Molecular Radiation Sciences,
Johns Hopkins University
,Baltimore, MD 21205
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L. D. Timmie Topoleski,
L. D. Timmie Topoleski
Department of Mechanical Engineering,
University of Maryland Baltimore County
,Baltimore, MD 21250
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Liang Zhu
Liang Zhu
1
Associate Professor
Department of Mechanical Engineering,
e-mail: zliang@umbc.edu
Department of Mechanical Engineering,
University of Maryland Baltimore County
,Baltimore, MD 21250
e-mail: zliang@umbc.edu
1Corresponding author.
Search for other works by this author on:
Alireza Chamani
Department of Mechanical Engineering,
University of Maryland Baltimore County
,Baltimore, MD 21250
Hitesh P. Mehta
Food and Drug Administration,
Center for Devices and Radiological Health,
Office of Science and Engineering Laboratories,
Center for Devices and Radiological Health,
Office of Science and Engineering Laboratories,
Division of Chemistry and Materials Science
,Silver Spring, MD 20993
Martin K. McDermott
Food and Drug Administration,
Center for Devices and Radiological Health,
Office of Science and Engineering Laboratories,
Center for Devices and Radiological Health,
Office of Science and Engineering Laboratories,
Division of Chemistry and Materials Science
,Silver Spring, MD 20993
Manel Djeffal
Food and Drug Administration,
Center for Devices and Radiological Health,
Office of Science and Engineering Laboratories,
Center for Devices and Radiological Health,
Office of Science and Engineering Laboratories,
Division of Chemistry and Materials Science
,Silver Spring, MD 20993
Gaurav Nayyar
Food and Drug Administration,
Center for Devices and Radiological Health,
Office of Science and Engineering Laboratories,
Center for Devices and Radiological Health,
Office of Science and Engineering Laboratories,
Division of Chemistry and Materials Science
,Silver Spring, MD 20993
Dinesh V. Patwardhan
Food and Drug Administration,
Center for Devices and Radiological Health,
Office of Science and Engineering Laboratories,
Center for Devices and Radiological Health,
Office of Science and Engineering Laboratories,
Division of Chemistry and Materials Science
,Silver Spring, MD 20993
Anilchandra Attaluri
Radiation Oncology
& Molecular Radiation Sciences,
& Molecular Radiation Sciences,
Johns Hopkins University
,Baltimore, MD 21205
L. D. Timmie Topoleski
Department of Mechanical Engineering,
University of Maryland Baltimore County
,Baltimore, MD 21250
Liang Zhu
Associate Professor
Department of Mechanical Engineering,
e-mail: zliang@umbc.edu
Department of Mechanical Engineering,
University of Maryland Baltimore County
,Baltimore, MD 21250
e-mail: zliang@umbc.edu
1Corresponding author.
Contributed by the Bioengineering Division of ASME for publication in the Journal of Biomechanical Engineering. Manuscript received August 30, 2013; final manuscript received November 25, 2013; accepted manuscript posted December 5, 2013; published online February 5, 2014. Editor: Victor H. Barocas.
J Biomech Eng. Feb 2014, 136(2): 021027 (6 pages)
Published Online: February 5, 2014
Article history
Received:
August 30, 2013
Revision Received:
November 25, 2013
Accepted:
December 5, 2013
Citation
Chamani, A., Mehta, H. P., McDermott, M. K., Djeffal, M., Nayyar, G., Patwardhan, D. V., Attaluri, A., Timmie Topoleski, L. D., and Zhu, L. (February 5, 2014). "Theoretical Simulation of Temperature Elevations in a Joint Wear Simulator During Rotations." ASME. J Biomech Eng. February 2014; 136(2): 021027. https://doi.org/10.1115/1.4026158
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