Development and Validation of a Three-Dimensional Finite Element Model of the Pelvic Bone
- 1 August 1995
- journal article
- Published by ASME International in Journal of Biomechanical Engineering
- Vol. 117 (3), 272-278
- https://doi.org/10.1115/1.2794181
Abstract
Due to both its shape and its structural architecture, the mechanics of the pelvic bone are complex. In Finite Element (FE) models, these aspects have often been (over) simplified, sometimes leading to conclusions which did not bear out in reality. The purpose of this study was to develop a more realistic FE model of the pelvic bone. This not only implies that the model has to be three-dimensional, but also that the thickness of the cortical shell and the density distribution of the trabecular bone throughout the pelvic bone have to be incorporated in the model in a realistic way. For this purpose, quantitative measurements were performed on computer tomography scans of several pelvic bones, after which the measured quantities were allocated to each element of the mesh individually. To validate this FE model, two fresh pelvic bones were fitted with strain gages and loaded in a testing machine. Stresses calculated from the strain data of this experiment were compared to the results of a simulation with the developed pelvic FE model.Keywords
This publication has 16 references indexed in Scilit:
- Mechanical and textural properties of pelvic trabecular boneJournal of Biomechanics, 1993
- Strain Gauge and Photoelastic Evaluation of the Load Transfer in the Pelvis in Total Hip Replacement: The Effect of the Position of the Axis of RotationProceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine, 1989
- A new calibration phantom for quantitative computed tomographyMedical Physics, 1987
- Finite element analysis of acetabular reconstruction: Noncemented threaded cupsActa Orthopaedica, 1987
- Pelvic stresses in vitro—I. Malsizing of endoprosthesesJournal of Biomechanics, 1986
- Effects of prosthetic acetabular replacement on strains in the pelvisJournal of Orthopaedic Research, 1985
- Mechanical analysis of the human pelvis and its application to the artificial hip joint—By means of the three dimensional finite element methodJournal of Biomechanics, 1983
- Stress distributions in the acetabular region—II. Effects of cement thickness and metal backing of the total hip acetabular componentJournal of Biomechanics, 1982
- Stresses in the normal pelvisComputers in Biology and Medicine, 1978
- Mechanical function of subchondral bone as experimentally determined on the acetabulum of the human pelvisJournal of Biomechanics, 1976