Strain measurements in time-lapse microtomography of trabecular bone using digital volume correlation method

0342498 - ÚTAM 2011 RIV CA eng C - Conference Paper (international conference)
Jiroušek, Ondřej
Strain measurements in time-lapse microtomography of trabecular bone using digital volume correlation method.
Proc. of the 7th IASTED intern. conf on Biomedical engineering. Calgary: ACTA Press, 2010 - (Hierlemann, J.), s. 72-75. ISBN 978-0-88986-828-1.
[IASTED Intern. conf. on Biomedical engineering /7./. Innsbruck (AT), 17.02.2010-19.02.2010]
R&D Projects: GA ČR(CZ) GAP105/10/2305
Institutional research plan: CEZ:AV0Z20710524
Keywords : computed tomography * FEM * image recontruction * nanoindentation * trabecular bone
Subject RIV: FI - Traumatology, Orthopedics

The paper deals with measurement of the deformation field in the internal structure of trabecular bone. The strain field is determined from time–lapse tomographic measurements, where a sample of trabecular bone is compressed and its internal microstructure is simultaneously scanned using X-ray microtomography. For the imaging a novel micro-CT system suitable for imaging of a sample under applied load has been used. A digital image correlation method is applied to the acquired image data to calculate the displacement and strain fields in the microstructure. The acquired data provides reliable basis for verification of our microstructural Finite Element models.
Permanent Link: http://hdl.handle.net/11104/0185218