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- W2373431108 abstract "Objective To study material damping parameters and boundary condition in finite element model of the human head. Methods In the three-dimensional human finite element model,brain, skull and dura were assumed to be homogeneous and isotropic material with linear elastic behavior. A series of structural damping parameters of skull and brain were adopted to simulate a frontal head impact. The calculated results of von Mises stress of skull and brain were observed. Using 2D spring elements,the atlantooccipital joint was simulated in three-dimensional space. Results There were no second peak in the von Mises stress curve of skull,when skull damping parameter was defined. The higher damping parameter was adopted,the lower peak value of skull von Mises stress curve was observed. It is proper to define skull structural damping factor between 0.001 and 0.004. After the atlantooccipital joint was simulated,with different elastic coefficients (K) of spring element in different directions,10 N/mm in X-Y direction and 20 N/mm in Z direction,the von Mises stress curve of skull became more smoothly. Conclusions The skull damping parameter influence the von Mises stress of skull greatly. The change of brain stress curves associate with skull stress curves closely." @default.
- W2373431108 created "2016-06-24" @default.
- W2373431108 creator A5064121992 @default.
- W2373431108 date "2005-01-01" @default.
- W2373431108 modified "2023-09-23" @default.
- W2373431108 title "Study on parametric and boundary condition of the finite element three-dimensional cranial model" @default.
- W2373431108 hasPublicationYear "2005" @default.
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