Abstract

Three-dimensional orthogonal woven composites (3DOWC) can be widely used in various industries, including aerospace, automotive and military. This research examines the linear free vibration behavior of 3DOWC, focusing on the effects of important parameters, such as thickness, dimensional ratio, and binder fiber volume fraction under different boundary conditions. To achieve this, Ritz theory is utilized to calculate the natural frequency of the system. First, the governing equations for the linear free vibrations of 3DOWC are derived. After forming the energy function of the system and minimizing it, the frequency equations of the system are obtained.

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