Viscoleastic Layered System Subject to Moving Loads

by Russell A. Westmann,

Serial Information: Journal of the Engineering Mechanics Division, 1967, Vol. 93, Issue 3, Pg. 201-218

Document Type: Journal Paper

Abstract: A layered system composed of a linear viscoelastic layer and linear elastic supporting foundation is considered—the layer being described by a classical thin plate and the foundation as a homogeneous half space. Disregarding inertial effects, a formal solution is obtained for arbitrary time-dependent surface tractions. As an example, the special case of a concentrated load moving with constant velocity is examined. The solution is expressed in terms of known elastic results plus time-dependent correction terms. Bounds obtained for these correction terms indicate they are negligible for large values of the dimensionless velocity, as defined by the writer.

Subject Headings: Elastic foundations | Layered systems | Linear functions | Elastic analysis | Time dependence | Moving loads | Viscoelasticity | Plates |

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