Comparison of the dynamic behaviour of brain tissue and two model materials

D.W.A. Brands; P.H.M. Bovendeerd; G.W.M. Peters; J.S.H.M. Wismans; M.H.J.W. Paas; J.L.M.J. Bree, van

Comparison of the dynamic behaviour of brain tissue and two model materials

D.W.A. Brands, P.H.M. Bovendeerd, G.W.M. Peters, J.S.H.M. Wismans, M.H.J.W. Paas, J.L.M.J. Bree, van

Research output: Chapter in Book/Report/Conference proceeding › Chapter › Academic › peer-review

Abstract

Linear viscoelastic material parameters of porcine brain tissue and two brain substitute/ materials for use in mechanical head models (edible bone gelatin and dielectric silicone gel) were determined in small deformation, oscillatory shear experiments. Frequencies to 1000 Hertz could be obtained using the TimelTemperature Superposition principle. Brain tissue material parameters (Le. dynamic modulus (phase angle) of 500 (10°) and 1250 Pa (27°) at 0.1 and 260 Hz respectively) are within the range of data reported in literature. The gelatin behaves much stiffer (modulUS on the order of 100 kPa) and does not show viscous behaviour. Silicone gel resembles brain tissue at low frequencies but becomes more stiffer and more viscous at higher frequencies (dynamic modulus (phase angle) 245 Pa (r) and 5100 Pa (56°) at 0.1 and 260 Hz respectively). Furthermore, the silicone gel behaves linearly for strains up to at least 10%, whereas brain tissue exhibits non-linear behaviour for strains larger than 1%.

Original language	English
Title of host publication	Stapp car crash : conference : proceedings, 43rd, San Diego, Cal., October 25-27, 1999
Editors	D.W.A. Brands
Place of Publication	Warrendale
Publisher	Society of Automotive Engineers (SAE)
Pages	25-27
ISBN (Print)	0-7680-0464-0
Publication status	Published - 1999

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Brands, D. W. A., Bovendeerd, P. H. M., Peters, G. W. M., Wismans, J. S. H. M., Paas, M. H. J. W., & Bree, van, J. L. M. J. (1999). Comparison of the dynamic behaviour of brain tissue and two model materials. In D. W. A. Brands (Ed.), Stapp car crash : conference : proceedings, 43rd, San Diego, Cal., October 25-27, 1999 (pp. 25-27). Society of Automotive Engineers (SAE).

Brands, D.W.A. ; Bovendeerd, P.H.M. ; Peters, G.W.M. ; Wismans, J.S.H.M. ; Paas, M.H.J.W. ; Bree, van, J.L.M.J. / Comparison of the dynamic behaviour of brain tissue and two model materials. Stapp car crash : conference : proceedings, 43rd, San Diego, Cal., October 25-27, 1999. editor / D.W.A. Brands. Warrendale : Society of Automotive Engineers (SAE), 1999. pp. 25-27

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abstract = "Linear viscoelastic material parameters of porcine brain tissue and two brain substitute/ materials for use in mechanical head models (edible bone gelatin and dielectric silicone gel) were determined in small deformation, oscillatory shear experiments. Frequencies to 1000 Hertz could be obtained using the TimelTemperature Superposition principle. Brain tissue material parameters (Le. dynamic modulus (phase angle) of 500 (10°) and 1250 Pa (27°) at 0.1 and 260 Hz respectively) are within the range of data reported in literature. The gelatin behaves much stiffer (modulUS on the order of 100 kPa) and does not show viscous behaviour. Silicone gel resembles brain tissue at low frequencies but becomes more stiffer and more viscous at higher frequencies (dynamic modulus (phase angle) 245 Pa (r) and 5100 Pa (56°) at 0.1 and 260 Hz respectively). Furthermore, the silicone gel behaves linearly for strains up to at least 10%, whereas brain tissue exhibits non-linear behaviour for strains larger than 1%.",

author = "D.W.A. Brands and P.H.M. Bovendeerd and G.W.M. Peters and J.S.H.M. Wismans and M.H.J.W. Paas and {Bree, van}, J.L.M.J.",

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Comparison of the dynamic behaviour of brain tissue and two model materials. / Brands, D.W.A.; Bovendeerd, P.H.M.; Peters, G.W.M.; Wismans, J.S.H.M.; Paas, M.H.J.W.; Bree, van, J.L.M.J.

Stapp car crash : conference : proceedings, 43rd, San Diego, Cal., October 25-27, 1999. ed. / D.W.A. Brands. Warrendale : Society of Automotive Engineers (SAE), 1999. p. 25-27.

Research output: Chapter in Book/Report/Conference proceeding › Chapter › Academic › peer-review

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AB - Linear viscoelastic material parameters of porcine brain tissue and two brain substitute/ materials for use in mechanical head models (edible bone gelatin and dielectric silicone gel) were determined in small deformation, oscillatory shear experiments. Frequencies to 1000 Hertz could be obtained using the TimelTemperature Superposition principle. Brain tissue material parameters (Le. dynamic modulus (phase angle) of 500 (10°) and 1250 Pa (27°) at 0.1 and 260 Hz respectively) are within the range of data reported in literature. The gelatin behaves much stiffer (modulUS on the order of 100 kPa) and does not show viscous behaviour. Silicone gel resembles brain tissue at low frequencies but becomes more stiffer and more viscous at higher frequencies (dynamic modulus (phase angle) 245 Pa (r) and 5100 Pa (56°) at 0.1 and 260 Hz respectively). Furthermore, the silicone gel behaves linearly for strains up to at least 10%, whereas brain tissue exhibits non-linear behaviour for strains larger than 1%.

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