Modal analysis of segmented, laminated, anisotropic, inhomogeneous beams

Richard W. Shorthill, Rand A. Decker, Bob Rice

Research output: Contribution to conferencePaperpeer-review

1 Scopus citations

Abstract

Early skis were made from wood, they varied in length, width and thickness but all were similar in performance. They now have very different performance characteristics -from the giant slalom, racing, bump and recreational skis. However, very little is known about the changes in these materials after thousands of cycles of finite strain levels. We are studying the dynamic behavior of skis using the nondestructive technique of modal analysis. This method separates the fundamental modes of vibration. The mode shapes are generated and the dampening factors are calculated for the different modes. Each mode is dynamically displayed on a computer and the data sets printed out. The goal is to determine why and how skis change their dynamic response, before we hear the complaint, 'why have my skis gone flat.'

Original languageEnglish (US)
Pages231-240
Number of pages10
StatePublished - 1996
EventProceedings of the 1996 IEEE Aerospace Applications Conference. Part 1 (of 4) - Snowmass, CO, USA
Duration: Feb 9 1996Feb 10 1996

Other

OtherProceedings of the 1996 IEEE Aerospace Applications Conference. Part 1 (of 4)
CitySnowmass, CO, USA
Period2/9/962/10/96

ASJC Scopus subject areas

  • General Engineering

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