Smooth surface micro finite element modelling of a cancellous bone analogue material
Smooth surface micro finite element modelling of a cancellous bone analogue material
Tetrahedral finite element meshes with smooth surfaces can be created from computed tomography scans of cancellous bone in order to evaluate its mechanical properties. Image processing before creation of the mesh can affect the accuracy of determined mechanical properties. For a cancellous bone analogue, threshold, mesh density and surface smoothing parameters used in mesh generation were varied and the mechanical properties predicted by the resulting meshes compared to experimental results. This study has shown that threshold selection is vital for accurate determination of volume fraction and resulting mechanical properties. Smoothing of the surface also affects the local accuracy of the models.
finite element modelling, cancellous bone, image processing
Leung, S-Y
4330fe40-396b-4d4f-8bdb-eeaa3298cfee
Browne, M.
6578cc37-7bd6-43b9-ae5c-77ccb7726397
New, A.M.R.
d2fbaf80-3abd-4bc5-ae36-9c77dfdde0d6
Leung, S-Y
4330fe40-396b-4d4f-8bdb-eeaa3298cfee
Browne, M.
6578cc37-7bd6-43b9-ae5c-77ccb7726397
New, A.M.R.
d2fbaf80-3abd-4bc5-ae36-9c77dfdde0d6
Leung, S-Y, Browne, M. and New, A.M.R.
(2007)
Smooth surface micro finite element modelling of a cancellous bone analogue material.
Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine.
(In Press)
Abstract
Tetrahedral finite element meshes with smooth surfaces can be created from computed tomography scans of cancellous bone in order to evaluate its mechanical properties. Image processing before creation of the mesh can affect the accuracy of determined mechanical properties. For a cancellous bone analogue, threshold, mesh density and surface smoothing parameters used in mesh generation were varied and the mechanical properties predicted by the resulting meshes compared to experimental results. This study has shown that threshold selection is vital for accurate determination of volume fraction and resulting mechanical properties. Smoothing of the surface also affects the local accuracy of the models.
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More information
Accepted/In Press date: 27 September 2007
Keywords:
finite element modelling, cancellous bone, image processing
Identifiers
Local EPrints ID: 48528
URI: http://eprints.soton.ac.uk/id/eprint/48528
ISSN: 0954-4119
PURE UUID: 8138d560-9e8d-471c-9357-72bf20f3bd8b
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Date deposited: 27 Sep 2007
Last modified: 12 Dec 2021 02:54
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Contributors
Author:
S-Y Leung
Author:
A.M.R. New
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