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id:"swepub:oai:DiVA.org:kth-91175"
 

Sökning: id:"swepub:oai:DiVA.org:kth-91175" > Multi-scale mechani...

LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00003485naa a2200469 4500
001oai:DiVA.org:kth-91175
003SwePub
008120308s2013 | |||||||||||000 ||eng|
024a https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-911752 URI
024a https://doi.org/10.1007/s10237-012-0387-62 DOI
040 a (SwePub)kth
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
100a Cloots, Rudy J.H.u Eindhoven University of Technology, Department of Mechanical Engineering4 aut
2451 0a Multi-scale mechanics of traumatic brain injury :b predicting axonal strains from head loads
264 c 2012-03-21
264 1b Springer Science and Business Media LLC,c 2013
338 a print2 rdacarrier
500 a QC 20130207
520 a The length scales involved in the development of diffuse axonal injury typically range from the head level (i.e., mechanical loading) to the cellular level. The parts of the brain that are vulnerable to this type of injury are mainly the brainstem and the corpus callosum, which are regions with highly anisotropically oriented axons. Within these parts, discrete axonal injuries occur mainly where the axons have to deviate from their main course due to the presence of an inclusion. The aim of this study is to predict axonal strains as a result of a mechanical load at the macroscopic head level. For this, a multi-scale finite element approach is adopted, in which a macro-level head model and a micro-level critical volume element are coupled. The results show that the axonal strains cannot be trivially correlated to the tissue strain without taking into account the axonal orientations, which indicates that the heterogeneities at the cellular level play an important role in brain injury and reliable predictions thereof. In addition to the multi-scale approach, it is shown that a novel anisotropic equivalent strain measure can be used to assess these micro-scale effects from head-level simulations only.
650 7a TEKNIK OCH TEKNOLOGIERx Medicinteknikx Annan medicinteknik0 (SwePub)206992 hsv//swe
650 7a ENGINEERING AND TECHNOLOGYx Medical Engineeringx Other Medical Engineering0 (SwePub)206992 hsv//eng
650 7a TEKNIK OCH TEKNOLOGIERx Maskinteknikx Teknisk mekanik0 (SwePub)203012 hsv//swe
650 7a ENGINEERING AND TECHNOLOGYx Mechanical Engineeringx Applied Mechanics0 (SwePub)203012 hsv//eng
653 a Traumatic brain injury
653 a TBI
653 a Diffuse axonal injury
653 a DAI
653 a Injury criteria
653 a Head model
653 a Finite element method
653 a Multi-scale
700a van Dommelen, J.A.W.u Eindhoven University of Technology, Department of Mechanical Engineering4 aut
700a Kleiven, Svein,d 1966-u KTH,Neuronik4 aut0 (Swepub:kth)u1aqbjml
700a Geers, Marcu Eindhoven University of Technology, Department of Mechanical Engineering4 aut
710a Eindhoven University of Technology, Department of Mechanical Engineeringb Neuronik4 org
773t Biomechanics and Modeling in Mechanobiologyd : Springer Science and Business Media LLCg 12:1, s. 137-150q 12:1<137-150x 1617-7959x 1617-7940
856u https://link.springer.com/content/pdf/10.1007%2Fs10237-012-0387-6.pdf
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-91175
8564 8u https://doi.org/10.1007/s10237-012-0387-6

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