Abstract
Abstract The objective of this paper is to investigate the free vibration characteristics of a two-layer elastic beam resting on a variable Pasternak foundation. The analysis is done for three different boundary conditions i.e. Pinned-Pinned, Guided-pinned and Clamped-pinned using computational method. The equation of motion and boundary conditions are derived using Hamilton’s principle. A set of Hill’s equation is obtained from generalized Galerkin’s method. The effect of elastic foundation parameter, Modulus ratio and other geometrical parameters on the natural frequency of the system has been studied. The effects are presented as a series of graph using required MATLAB program.
Published Version
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