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Study on the matrix and stress-strain relationship of laminated structure in the cranial cavity with the changing intracranial pressure

机译:颅内压变化时颅腔内层状结构的基质与应力-应变关系研究

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Except the blood vessel in-out the cranial cavity and basicranial hole open onto skull, the cranial cavity can be totally regarded as one closed container. Intracranial Pressure (ICP) is fluctuant in brain. The cranial cavity will deform with the changing ICP, which is complex questions and can't be solved the analytical solution. As a very effective numerical method, the finite element is used to analyze the deformation of cranial cavity. Cranial cavity is the hollow sphere formed by the skull and the duramater. There are obvious interfaces among the various parts of outer compact bone, middle cancellous bone, inner compact bone and duramater. In this paper, the matrix of laminated structure and stress-strain relationship of laminated structure have been set up in the cranial cavity, which will be the foundation to analyze the actual deformation of human skull-duramater system with the finite-element software.
机译:除了颅腔内外的血管和颅骨上的基本颅骨孔外,颅腔可完全视为一个封闭的容器。颅内压(ICP)在大脑中波动。颅内腔会随着ICP的变化而变形,这是一个复杂的问题,无法解决解析问题。作为一种非常有效的数值方法,有限元用于分析颅腔的变形。颅腔是由颅骨和硬脑膜形成的空心球。外紧密骨,中松质骨,内紧密骨和硬脑膜的各个部分之间有明显的界面。本文在颅腔内建立了层状结构的矩阵和层状结构的应力-应变关系,为利用有限元软件分析人头骨-硬质合金系统的实际变形奠定了基础。

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