Journal
JOURNAL OF BIOMECHANICS
Volume 37, Issue 8, Pages 1263-1269Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jbiomech.2003.11.027
Keywords
hydrocephalus; brain; mechanical properties; finite element method
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This paper presents results from a finite element study of the biomechanics of hydrocephalus, with special emphasis oil a reassessment of the parenchyma elastic modulus. A two-dimensional finite element model of the human brain/ventricular system is developed and analysed under hydrocephalic loading conditions. It is shown that the Young's modulus of the brain parenchyma used in previous studies (3000-10000 Pa) corresponds to strain rates much higher than those present in hydrocephalic brains. Consideration of the brain's viscoelasticity leads to the derivation of a considerably lower modulus value of approximately 584 Pa. (C) 2004 Elsevier Ltd. All rights reserved.
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