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- W3149459923 abstract "This project is aimed to generate a 2D model of head to study biomechanics of head injuriesdue to external forces acting in different direction. The purpose of this work is thedevelopment of a 2D finite element model (FEM), using equations of elasticity andviscoelasticity to model the stress-strain distribution in the head due to external impacts. Avariational constitutive model for soft biological tissues such as brain is utilized toreproduce axonal damage and cavitation injury through inelastic deformation and with theconstitutive model for hard tissues such as brain possessing elastic properties. A constitutivemodel for these biological tissues is formulated with a finite strain regime. Most of thephysiological damage to living tissues are caused by relative motions within the tissues (e.g.in head injury, due to relative motion between brain and skull), due to tensile and shearingstructural failures. The Model includes skull, brain and CSF as major components somaterial response is split into elastic and viscoelastic components, including rate effects,shear and porous plasticity and finite viscoelasticity. To describe biological soft tissues suchas brain tissue a viscoelastic material model is employed and to describe skull andcerebrospinal fluid we are an elastic model is employed. Skull is considered to be transverseisotropic. The present FEM simulation focuses on brain injuries from static and dynamicloading resulting from frontal, top, back and oblique head impacts and prediction oflocalization, extension, and intensity of tissue damage. In the present work, brain 2Dgeometry is generated from MRI of adult head. We intend to obtain insight into the severityof brain injury by modeling by analyzing the stress-strain pattern under static and dynamicloading." @default.
- W3149459923 created "2021-04-13" @default.
- W3149459923 creator A5046277569 @default.
- W3149459923 date "2014-01-01" @default.
- W3149459923 modified "2023-09-27" @default.
- W3149459923 title "Biomechanics of Traumatic Brain Injury" @default.
- W3149459923 hasPublicationYear "2014" @default.
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