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Dr. S. Graham Kelly

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Full-Text Articles in Mechanical Engineering

Shear Of Rubber Tube Springs, J. Suh, A. Gent, S. Kelly Apr 2015

Shear Of Rubber Tube Springs, J. Suh, A. Gent, S. Kelly

Dr. S. Graham Kelly

Rubber tube springs consist basically of cylindrical rubber tubes bonded on their inner and outer curved surfaces to rigid cylindrical tubes. They are widely used as flexible linkages, for example in vehicle suspensions. Rotation of one rigid tube with respect to the other about their common axis subjects the rubber tube to azimuthal shear. Displacement of one rigid tube with respect to the other along their common axis puts the rubber tube into axial shear. Using FEA, we have calculated the stresses set up in both cases, for a long rubber tube of a non-linearly elastic (neo-Hookean) material. The results ...