An investigation of vibration phenomena in torsional systems having non-linear spring characteristics.
Peterson, Carl Arthur
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This thesis document was issued under the authority of another institution, not NPS. At the time it was written, a copy was added to the NPS Library collection for reasons not now known. It has been included in the digital archive for its historical value to NPS. Not believed to be a CIVINS (Civilian Institutions) title.In order to determine the effect of a non-linear spring characteristic on the vibrations of a torsional system, Investigations were made to determine the response curves of a given system when the drive was made through a non-linear coupling and when made through a comparable shaft. The results showed the maximum amplitude for the former case to be about one-fourth of that for the latter. However when the difference In damping was accounted for, the non-linear coupling showed a reduction in amplitude of vibration to about one-half that of the comparable linear system. An analytical solution including damping is given, and suggestions are made for further study.
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