Abstract
The linear Biot theory for wave propagation in porous media is applied to waves in open-cell permeable foam. The reflection of a weak shock wave from a semi-infinite elastic foam is considered. It is shown that the deformation of the foam and the related effective stress are caused by friction. The non-linear permeability and stress-strain relation of a flexible polyurethane foam is investigated. An example is shown of the reflection of a weak shock wave with Mach number 1.04 from a slab of foam adjacent to a solid wall. Both end-wall pressure and effective stress are measured. A partial mechanical collapse of the foam is observed.
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© 1995 Springer-Verlag Berlin Heidelberg
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van Dongen, M.E.H., Smeulders, D.M.J., Kitamura, T., Takayama, K. (1995). On the Modelling of Wave Phenomena in Permeable Foam. In: Brun, R., Dumitrescu, L.Z. (eds) Shock Waves @ Marseille III. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-78835-2_27
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DOI: https://doi.org/10.1007/978-3-642-78835-2_27
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-78837-6
Online ISBN: 978-3-642-78835-2
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