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During the last years, the design and production of self-powered engineering structures gained extensive attention due to the shortage of non-renewable energy resources and the increase in fossil fuel prices. To this end, the current numerical study focused on assessing the forced vibration behavior and energy harvesting capability of a Silicon microbeam reinforced with Chopped Fiber Rods (CFRs). This topic is important because it offers a novel approach to generate sustainable energy from ambient vibrations, addressing the growing demand for renewable energy sources while advancing structural health monitoring and smart materials technology. The piezoelectric patch is located at the top surface of the microbeam and is under the distributed harmonic force. The related governed relations are derived using the new theory of the 5-parameter beam model, which also accounted for the Poisson effect, and …