Torsional Free Vibration Characteristics of Hybrid Clinched Joints

The aim of this study is to predict the torsional free vibration characteristics of single lap-jointed cantilevered hybrid clinched joints. The focus of the analysis is to reveal the influence on the natural frequencies, natural frequency ratios and mode shapes of single lap-jointed cantilevered hybrid clinched joints caused by variations in the material properties of the structural adhesives. It is shown that the torsional natural frequencies of single lap jointed cantilevered hybrid clinched joints increase significantly as the Young's modulus of the adhesive increase, but only slight changes are encountered for variations of Poisson's ratio. The mode shapes show that there are different deformations in the jointed section of the odd and even modes.