Mesh considerations for adaptive finite element analyses of cement failure in total hip replacement
Mesh considerations for adaptive finite element analyses of cement failure in total hip replacement
Failure of the cement mantle has been identified as a possible
mode of failure of the implanted femur in total hip replacement (THR)
[1]. Finite element (FE) analyses have been used to investigate the
stresses experienced in the cement mantle [2] and to predict the life of
the cement mantle when taking different factors into account [3]. The
number of elements used, or mesh density, is an important
consideration when creating a FE model. A model with an insufficient
mesh density will not be able to fully capture the stress state in the
area of interest, but increasing the mesh density dramatically increases
the computational cost of the analysis.
The aim of this study is to determine the mesh density necessary
to model creep and damage accumulation in the cement mantle of a
cemented implanted femur. We compare the initial stress state and
damage accumulation rate for different mesh densities and different
element types.
729-730
The American Society of Mechanical Engineers
Jeffers, Jonathan R.T.
806cf62c-09d6-460e-a864-7c24ee5f1bf2
Taylor, Mark
e368bda3-6ca5-4178-80e9-41a689badeeb
2003
Jeffers, Jonathan R.T.
806cf62c-09d6-460e-a864-7c24ee5f1bf2
Taylor, Mark
e368bda3-6ca5-4178-80e9-41a689badeeb
Jeffers, Jonathan R.T. and Taylor, Mark
(2003)
Mesh considerations for adaptive finite element analyses of cement failure in total hip replacement.
In Proceedings of the 2003 Summer Bioengineering Conference.
The American Society of Mechanical Engineers.
.
Record type:
Conference or Workshop Item
(Paper)
Abstract
Failure of the cement mantle has been identified as a possible
mode of failure of the implanted femur in total hip replacement (THR)
[1]. Finite element (FE) analyses have been used to investigate the
stresses experienced in the cement mantle [2] and to predict the life of
the cement mantle when taking different factors into account [3]. The
number of elements used, or mesh density, is an important
consideration when creating a FE model. A model with an insufficient
mesh density will not be able to fully capture the stress state in the
area of interest, but increasing the mesh density dramatically increases
the computational cost of the analysis.
The aim of this study is to determine the mesh density necessary
to model creep and damage accumulation in the cement mantle of a
cemented implanted femur. We compare the initial stress state and
damage accumulation rate for different mesh densities and different
element types.
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Published date: 2003
Venue - Dates:
2003 Summer Bioengineering Conference, Key Biscayne, USA, 2003-06-25 - 2003-06-29
Identifiers
Local EPrints ID: 22651
URI: http://eprints.soton.ac.uk/id/eprint/22651
PURE UUID: c356228f-8ada-4e37-aea4-6d1ab6b1f563
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Date deposited: 09 Mar 2007
Last modified: 15 Mar 2024 06:39
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Author:
Jonathan R.T. Jeffers
Author:
Mark Taylor
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