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Journal of JSCE
Vol. 4 (2016) No. 1 p. 38-45




 This paper proposes continuumnization for a set of regularly arranged spherical rigid bodies of identical radius. Motion of each rigid body, which is assumed to be infinitesimally small, is converted to a smooth function, and tensor quantities that correspond to material mechanical properties are derived from spring constants; one of them is a fourth-order elasticity tensor. For simplified two-dimensional setting, the characteristic equation of the continuumnized motion is studied. It is observed that there are high-frequency modes of local spin. Such high-frequency modes of local spin induce damping effects on translation.

Copyright © 2016 Japan Society of Civil Engineers

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