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The vibration characteristics of bracket structure in automatic drill-riveting system have great effects on the final quality of aircraft panel. Modal analysis can be used to determine the vibration characteristics of mechanical system. After briefly expounding the basic theory of modal analysis, a reasonable finite element model is established and the modal analysis is carried out under the environment of ABAQUS. The result shows that this method for evaluating vibration characteristics of the bracket structure works, can meet the requirements of structure design.

Modal Analysis of Bracket Structure in Automatic Drill-riveting System Based on ABAQUS