Prediction of subsidence in impaction grafting: a sensitivity analysis using the taguchi method

Michael P Ayers; Sally E Clift; Sabina Gheduzzi

doi:10.1007/978-3-642-14515-5_156

Prediction of subsidence in impaction grafting: a sensitivity analysis using the taguchi method

Michael P Ayers, Sally E Clift, Sabina Gheduzzi

Department of Mechanical Engineering

Research output: Chapter or section in a book/report/conference proceeding › Chapter or section

2 Citations (SciVal)

Abstract

Impaction grafting with morsellised cancellous bone is an established technique. Previous studies have developed a finite element model with which to investigate the behavior of morsellised cancellous bone. However, within these studies, there was not a focus on the parameters used to define the behavior of the material. An established finite element model of morsellised cancellous bone was utilized to investigate the significance of various parameters on the uniaxial plastic strain exhibited. The uniaxial plastic strain has been reported to be a cause of implant subsidence. It was found that the initial cap yield surface position was the parameter to which the uniaxial plastic strain was most sensitive, with a percentage contribution to the sum of squares of 98%. All other parameters investigated had relatively little influence. Based upon these findings, future work should focus on establishing an accurate measure of the initial cap yield surface position.

Original language	English
Title of host publication	IFMBE Proceedings
Subtitle of host publication	6th World Congress of Biomechanics (WCB 2010)
Place of Publication	Berlin, Heidelberg
Publisher	Springer
Pages	612-615
Number of pages	4
Volume	31
ISBN (Electronic)	978-3-642-14515-5
ISBN (Print)	978-3-642-14514-8
DOIs	https://doi.org/10.1007/978-3-642-14515-5_156
Publication status	Published - 2010
Event	6th World Congress of Biomechanics, WCB 2010 - In Conjunction with 14th International Conference on Biomedical Engineering, ICBME and 5th Asia Pacific Conference on Biomechanics, APBiomech, August 1, 2010 - August 6, 2010 - Singapore, Singapore Duration: 1 Jan 2010 → …

Conference

Conference	6th World Congress of Biomechanics, WCB 2010 - In Conjunction with 14th International Conference on Biomedical Engineering, ICBME and 5th Asia Pacific Conference on Biomechanics, APBiomech, August 1, 2010 - August 6, 2010
Country/Territory	Singapore
City	Singapore
Period	1/01/10 → …

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Ayers, MP, Clift, SE & Gheduzzi, S 2010, Prediction of subsidence in impaction grafting: a sensitivity analysis using the taguchi method. in IFMBE Proceedings: 6th World Congress of Biomechanics (WCB 2010). vol. 31, Springer, Berlin, Heidelberg, pp. 612-615, 6th World Congress of Biomechanics, WCB 2010 - In Conjunction with 14th International Conference on Biomedical Engineering, ICBME and 5th Asia Pacific Conference on Biomechanics, APBiomech, August 1, 2010 - August 6, 2010, Singapore, Singapore, 1/01/10. https://doi.org/10.1007/978-3-642-14515-5_156

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title = "Prediction of subsidence in impaction grafting: a sensitivity analysis using the taguchi method",

abstract = "Impaction grafting with morsellised cancellous bone is an established technique. Previous studies have developed a finite element model with which to investigate the behavior of morsellised cancellous bone. However, within these studies, there was not a focus on the parameters used to define the behavior of the material. An established finite element model of morsellised cancellous bone was utilized to investigate the significance of various parameters on the uniaxial plastic strain exhibited. The uniaxial plastic strain has been reported to be a cause of implant subsidence. It was found that the initial cap yield surface position was the parameter to which the uniaxial plastic strain was most sensitive, with a percentage contribution to the sum of squares of 98%. All other parameters investigated had relatively little influence. Based upon these findings, future work should focus on establishing an accurate measure of the initial cap yield surface position.",

author = "Ayers, {Michael P} and Clift, {Sally E} and Sabina Gheduzzi",

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note = "6th World Congress of Biomechanics, WCB 2010 - In Conjunction with 14th International Conference on Biomedical Engineering, ICBME and 5th Asia Pacific Conference on Biomechanics, APBiomech, August 1, 2010 - August 6, 2010 ; Conference date: 01-01-2010",

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T1 - Prediction of subsidence in impaction grafting: a sensitivity analysis using the taguchi method

AU - Ayers, Michael P

AU - Clift, Sally E

AU - Gheduzzi, Sabina

PY - 2010

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N2 - Impaction grafting with morsellised cancellous bone is an established technique. Previous studies have developed a finite element model with which to investigate the behavior of morsellised cancellous bone. However, within these studies, there was not a focus on the parameters used to define the behavior of the material. An established finite element model of morsellised cancellous bone was utilized to investigate the significance of various parameters on the uniaxial plastic strain exhibited. The uniaxial plastic strain has been reported to be a cause of implant subsidence. It was found that the initial cap yield surface position was the parameter to which the uniaxial plastic strain was most sensitive, with a percentage contribution to the sum of squares of 98%. All other parameters investigated had relatively little influence. Based upon these findings, future work should focus on establishing an accurate measure of the initial cap yield surface position.

AB - Impaction grafting with morsellised cancellous bone is an established technique. Previous studies have developed a finite element model with which to investigate the behavior of morsellised cancellous bone. However, within these studies, there was not a focus on the parameters used to define the behavior of the material. An established finite element model of morsellised cancellous bone was utilized to investigate the significance of various parameters on the uniaxial plastic strain exhibited. The uniaxial plastic strain has been reported to be a cause of implant subsidence. It was found that the initial cap yield surface position was the parameter to which the uniaxial plastic strain was most sensitive, with a percentage contribution to the sum of squares of 98%. All other parameters investigated had relatively little influence. Based upon these findings, future work should focus on establishing an accurate measure of the initial cap yield surface position.

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Y2 - 1 January 2010

ER -

Prediction of subsidence in impaction grafting: a sensitivity analysis using the taguchi method

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