A Numerical Approach of the Influence of Elliptic Inclusions on the Dynamic Behavior of One End Supported Beams

Composite structures offer lighter weight and higher strength and stiffness than most metal materials. The composite structures are increasingly applied in areas such as automotive and aerospace engineering among others. From the different types of composite materials, elliptical inclusions particulates provide an opportunity to control the stiffness and damping as a function of the ratio of the larger to shorter axis, orientation and size. In this paper we present a first evaluation of the effect of elliptical inclusions in the vibration modes of a beam single supported. Here, we can see that for inclusions with the major axis oriented parallel to the axis of the beam, the maximum stresses tend to be higher, while the frequencies and offsets remain similar.