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Krimbalis, P: A Calibrated Finite Element Study of Blunt Ora

A Numerical and Experimental Investigation of the Human Maxilla in Response to Low-Mass, High-Velocity Impact

von Krimbalis, Peter   (Autor)

A blunt force trauma injury to an instrumented human cadaver maxillae was simulated with a regulation (142 g) baseball traveling at 14 m/s. Measurements of strain were obtained with three-axis strain gauge rosettes located at the medial palate and both canine fossae. A three dimensional finite element (FE) model of a dentate human maxilla was constructed from computed tomography scans of the skull of an adolescent. This three dimensional mathematical model of the maxilla was deemed geometrically accurate through dedicated convergence testing and exhibited a monotonic change and subsequent convergence of induced displacement when the total degrees of freedom approximated 74 000. The simulated load case included a transient dynamic impact to the medial maxilla with boundary conditions imposed at skeletal buttresses of the model. The model itself was calibrated through direct comparison with the displacements and principal strains gathered from experimental and epidemiological data. The comparison of experimental and calculated principal strains as a result of the simulated impacts revealed a 1.7 - 11.4% difference,

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Produktbeschreibung

A blunt force trauma injury to an instrumented human cadaver maxillae was simulated with a regulation (142 g) baseball traveling at 14 m/s. Measurements of strain were obtained with three-axis strain gauge rosettes located at the medial palate and both canine fossae. A three dimensional finite element (FE) model of a dentate human maxilla was constructed from computed tomography scans of the skull of an adolescent. This three dimensional mathematical model of the maxilla was deemed geometrically accurate through dedicated convergence testing and exhibited a monotonic change and subsequent convergence of induced displacement when the total degrees of freedom approximated 74 000. The simulated load case included a transient dynamic impact to the medial maxilla with boundary conditions imposed at skeletal buttresses of the model. The model itself was calibrated through direct comparison with the displacements and principal strains gathered from experimental and epidemiological data. The comparison of experimental and calculated principal strains as a result of the simulated impacts revealed a 1.7 - 11.4% difference, 

Autoreninfo

Peter Krimbalis is currently a Ph.D. candidate conductingresearch at Ryerson University in Toronto, Canada. Peter hasreceived numerous academic awards including a 2007-2009 CanadaGraduate Scholarship and a 2004 Governor General\'s Gold Medal. Hehas published numerous times in both peer reviewed journals andinternational conference proceedings. Krimbalis, Peter
Peter Krimbalis is currently a Ph.D. candidate conducting research at Ryerson University in Toronto, Canada. Peter has received numerous academic awards including a 2007-2009 Canada Graduate Scholarship and a 2004 Governor General''s Gold Medal. He has published numerous times in both peer reviewed journals and international conference proceedings. 

Mehr vom Verlag:

VDM Verlag Dr. Müller e.K.

Mehr vom Autor:

Krimbalis, Peter

Produktdetails

Medium: Buch
Format: Kartoniert
Seiten: 176
Sprache: Englisch
Erschienen: Oktober 2013
Maße: 220 x 150 mm
Gewicht: 278 g
ISBN-10: 3639057805
ISBN-13: 9783639057805

Bestell-Nr.: 4362375 
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KNOABBVERMERK: 2008. 176 S. 220 mm
Einband: Kartoniert
Sprache: Englisch
Beilage(n): Paperback

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