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Frequency spectrum of the human head-neck system. (English) Zbl 0903.73060
Summary: A three-dimensional model of human skull-brain system has been extended to include neck support. The model is based on the assumption of having a hollow sphere (skull), the behaviour of which is described by the elasticity solution, filled with an inviscid, irrotational fluid (cerebrospinal fluid), whose motion is described by the wave equation. The neck is approximated by an elastic support which reacts in three dimensions. The problem is solved numerically for the eigenfrequency spectra, and the results are compared with the existing experimental ones showing good agreement. The role of the various system parameters is also investigated.

MSC:
74L15 Biomechanical solid mechanics
92C10 Biomechanics
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