Computationally expensive finite element (FE) methods are generally used for indirect evaluation of tissue mechanical properties of trabecular specimens, which is vital for fracture risk prediction in the elderly. This work presents the application of reduced-basis (RB) methods for rapid evaluation of simulation results. Three cylindrical transiliac crest specimens (diameter: 7.5 mm, length: 10–12 mm) were obtained from healthy subjects (20 year-old, 22 year-old, and 24 year-old females) and scanned using microcomputed tomography imaging. Cubic samples of dimensions were extracted from the core of the cylindrical specimens for FE analysis. Subsequently, a FE solution library (test space) was constructed for each of the specimens by varying the material property parameters: tissue elastic modulus and Poisson’s ratio, to develop RB algorithms. The computational speed gain obtained by the RB methods and their accuracy relative to the FE analysis were evaluated. Speed gains greater than 4000 times, were obtained for all three specimens for a loss in accuracy of less than 1% in the maxima of von-Mises stress with respect to the FE-based value. The computational time decreased from more than 6 h to less than 18 s. RB algorithms can be successfully utilized for real-time reliable evaluation of trabecular bone elastic properties.
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e-mail: bielt@nus.edu.sg
e-mail: biegrr@nus.edu.sg
e-mail: ktlam85@hotmail.com
e-mail: pvlee@unimelb.edu.au
e-mail: yschung@ajou.ac.kr
e-mail: jbchoi@hansung.ac.kr
e-mail: mpetanbc@nus.edu.sg
e-mail: dosdasde@nus.edu.sg
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December 2010
Research Papers
Fast Tool for Evaluation of Iliac Crest Tissue Elastic Properties Using the Reduced-Basis Methods
Taeyong Lee,
Taeyong Lee
Division of Bioengineering,
e-mail: bielt@nus.edu.sg
National University of Singapore
, Block E1, No. 08-03, 9 Engineering Drive 1, 117576, Singapore
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Revanth Reddy Garlapati,
Revanth Reddy Garlapati
Division of Bioengineering,
e-mail: biegrr@nus.edu.sg
National University of Singapore
, Block E3A, No. 07-15, 7 Engineering Drive 1, 117574, Singapore
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Kathy Lam,
Kathy Lam
Division of Bioengineering,
e-mail: ktlam85@hotmail.com
National University of Singapore
, Block E3A, No. 07-15, 7 Engineering Drive 1, 117574, Singapore
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Peter Vee Sin Lee,
Peter Vee Sin Lee
Department of Mechanical Engineering, Melbourne School of Engineering,
e-mail: pvlee@unimelb.edu.au
University of Melbourne
, 3010, Australia
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Yoon-Sok Chung,
Yoon-Sok Chung
Department of Endocrinology and Metabolism, School of Medicine,
e-mail: yschung@ajou.ac.kr
Ajou University
, Suwon 443-749, Korea
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Jae Bong Choi,
Jae Bong Choi
Department of Mechanical Systems Engineering,
e-mail: jbchoi@hansung.ac.kr
Hansung University
, 389 samsoon-dong 2-ga, Seongbuk-gu, Seoul, Korea
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Tan Beng Chye Vincent,
Tan Beng Chye Vincent
Department of Mechanical Engineering, Faculty of Engineering,
e-mail: mpetanbc@nus.edu.sg
National University of Singapore
, 117576, Singapore
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Shamal Das De
Shamal Das De
Department of Orthopaedic Surgery, Yong Loo Lin School of Medicine,
e-mail: dosdasde@nus.edu.sg
National University Hospital
, 119074, Singapore
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Taeyong Lee
Division of Bioengineering,
National University of Singapore
, Block E1, No. 08-03, 9 Engineering Drive 1, 117576, Singaporee-mail: bielt@nus.edu.sg
Revanth Reddy Garlapati
Division of Bioengineering,
National University of Singapore
, Block E3A, No. 07-15, 7 Engineering Drive 1, 117574, Singaporee-mail: biegrr@nus.edu.sg
Kathy Lam
Division of Bioengineering,
National University of Singapore
, Block E3A, No. 07-15, 7 Engineering Drive 1, 117574, Singaporee-mail: ktlam85@hotmail.com
Peter Vee Sin Lee
Department of Mechanical Engineering, Melbourne School of Engineering,
University of Melbourne
, 3010, Australiae-mail: pvlee@unimelb.edu.au
Yoon-Sok Chung
Department of Endocrinology and Metabolism, School of Medicine,
Ajou University
, Suwon 443-749, Koreae-mail: yschung@ajou.ac.kr
Jae Bong Choi
Department of Mechanical Systems Engineering,
Hansung University
, 389 samsoon-dong 2-ga, Seongbuk-gu, Seoul, Koreae-mail: jbchoi@hansung.ac.kr
Tan Beng Chye Vincent
Department of Mechanical Engineering, Faculty of Engineering,
National University of Singapore
, 117576, Singaporee-mail: mpetanbc@nus.edu.sg
Shamal Das De
Department of Orthopaedic Surgery, Yong Loo Lin School of Medicine,
National University Hospital
, 119074, Singaporee-mail: dosdasde@nus.edu.sg
J Biomech Eng. Dec 2010, 132(12): 121009 (8 pages)
Published Online: November 9, 2010
Article history
Received:
November 26, 2009
Revised:
February 3, 2010
Posted:
February 11, 2010
Published:
November 9, 2010
Online:
November 9, 2010
Citation
Lee, T., Garlapati, R. R., Lam, K., Lee, P. V. S., Chung, Y., Choi, J. B., Vincent, T. B. C., and Das De, S. (November 9, 2010). "Fast Tool for Evaluation of Iliac Crest Tissue Elastic Properties Using the Reduced-Basis Methods." ASME. J Biomech Eng. December 2010; 132(12): 121009. https://doi.org/10.1115/1.4001254
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