A method of characterisation of the nonlinear vibration transmissibility of cushioning materials

1531 646 1144 5 18429 document 1144 Parker.pdf application/pdf 1294858 2011-09-09 10:21:55 https://vuir.vu.edu.au/1531/1/Parker.pdf 1531 1 application/pdf text en public

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http://eprints.org/relation/isVersionOf https://vuir.vu.edu.au/id/document/1144 http://eprints.org/relation/isVolatileVersionOf https://vuir.vu.edu.au/id/document/1144 http://eprints.org/relation/isIndexCodesVersionOf https://vuir.vu.edu.au/id/document/1144 75470 2 2419992 document 75470 lightbox.jpg image/png 50b34c53995d6cfd2863517427057316 MD5 37264 2020-11-25 02:44:30 https://vuir.vu.edu.au/1531/4/lightbox.jpg 1531 4 4 image/png other Thumbnails conversion from text to thumbnail_lightbox en staffonly

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http://eprints.org/relation/isVersionOf https://vuir.vu.edu.au/id/dark_document/75429 http://eprints.org/relation/isVolatileVersionOf https://vuir.vu.edu.au/id/dark_document/75429 http://eprints.org/relation/issmallThumbnailVersionOf https://vuir.vu.edu.au/id/dark_document/75429 archive 116 disk0/00/00/15/31 2008-10-28 03:43:24 2021-08-27 07:41:38 2008-10-28 03:43:24 thesis show Parker Anthony James A method of characterisation of the nonlinear vibration transmissibility of cushioning materials unpub 290000 tafeengineering cushioning materials, packing for shipment, product packaging The majority of mechanical damage to packages or products in shipment can be ascribed to shocks and vibrations experienced during transportation. Vibrations can cause resonance, which has the potential to damage the product or cause the failure of critical elements within due to the repetitive application of stresses. The response behaviour of cushioning or protective packaging materials under vibration excitation is central to the effective design of product packaging. The response characteristics of the cushioning material guide the design parameters of the product-transport cushion system. Conventionally, this is achieved by the measurement of the transmissibility or Frequency Response Function (FRF) of the product/cushion system by a Single Input-Single Output (SISO) approach assuming a linear relationship. However, the product/cushion system can exhibit strong nonlinear behaviour. The Reverse Multiple Input-Single Output (R-MISO) approach has shown a greater ability to more accurately characterise the nonlinear package/cushion system. This greater accuracy will allow for the use of fewer materials with the benefit of cost and environmental savings. The R-MISO approach revealed a significant difference in the natural frequency estimate between the SISO linear assumption and the linear frequency response function estimate of the R-MISO approach. A considerable difference in the magnitude of the transmissibility at the estimated natural frequency was also shown. These differences were accompanied by an improvement in coherence. This work adds to the knowledge of the package designer through the study of the significance of the nonlinear behavior of a common cushioning material using the R-MISO method. This new approach to the vibration analysis of cushioning materials will allow the package designer to assess the nonlinear behavior of a packaging material. 2007 submitted 75429 2 2419944 dark_document 75429 Parker, Anthony.pdf application/pdf 432c363079281b7abf096fef8d36b8a1 MD5 42846 2020-11-25 02:34:16 1531 3 3 application/pdf text VURR permission form en staffonly

Parker, Anthony.pdf

other public 131 Victoria University School of Architectural, Civil and Mechanical Engineering phd Includes bibliographical references: pp. 112-117 FALSE