Abstract
In the past two decades, modal analysis has become a major technology in the quest for determining, improving and optimizing dynamic characteristics of engineering structures. The essential idea of modal analysis is to describe complex phenomena in structural dynamics with simple constituents, i.e. natural vibration modes. The article deals with numerical and experimental modal analysis of a flange. Within the research, the experimental and computational models were created due to the verification of obtained modal parameters–natural frequencies and natural shapes. Numerical analysis was carried out by means of FEM method using PTC Creo software. The results obtained by experimental modal analysis were evaluated by measuring system PULSE. Experimental measurements have shown that the values of natural frequencies along with the natural shapes are adequate and that no natural frequency is not the same or close to the excitation frequency, so the component can be used in the real practice.
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