Dynamic Response of Composite Beam Structure to a Moving Mass Using FEA and Theoretical approach
Author(s):
Lakshmisha G C, Mamatha Y P
Keywords:
Euler-Bernoulli beam, Krylov’s function, Cantilever beam, Composite materials, FEA, Transient analysis.
Abstract
The dynamic response of a composite beam subjected to a moving mass is of very much importance in the designing process of roadway bridges and railway bridges. This moving load problem finds several applications in the field of bridges, Transportation, guide ways, road ways, overhead crane, cable ways, pipe lines and tunnels. These structural elements are designed to support moving masses. Composite materials are gradually becoming more popular for many reason, the main advantage over metal components is the resistance to weight ratio which is important for many applications. In the present work the equation of motion in matrix form for an Euler beam subjected to a concentrated moving mass at a constant speed is formulated by Krylov’s function approach. The solution of the declared problem for the case of cantilever beam is evaluated using Krylov’s function. The effect of moving mass and its speed on the dynamic response of a cantilever beam for different compositions have been investigated using FEA analysis to support theoretical results, in this the beam is divided into twenty divisions and the deflection of the beam at each point is recorded while a mass moves at a steady velocity over different points. The results are obtained is plotted in the form of graphs.
Article Details
Unique Paper ID: 143833

Publication Volume & Issue: Volume 3, Issue 2

Page(s): 160 - 164
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