Multi-criteria analysis to evaluate the energy absorption capacity of pipes manufactured with expanded and solid metal sheets
Published 2018-01-08
Keywords
- Round tubes,
- expanded metal sheets,
- analytic hierarchy process,
- complex proportional assessment,
- energy absorption
How to Cite
Abstract
A multi-criteria analysis has been developed to evaluate the energy absorption of round tubes made with expanded metal sheets and solid sheets. Throughout an AHP (Analytic Hierarchy Process) the assignation of the weight to different load parameter and impact resistance were given. Thereafter, these weights were then attributed to the COPRAS method (Complex Proportional Assessment) to select the best alternative among the available options. The results show that the circular tubes made with deployed metal sheets and individual cells with orientation α=0º present favorable characteristics to absorb energy in a controlled and stable way as well as efficient structural design parameters. Multi-criteria analysis methodology is a valuable support for decision making processes to the selection of devices used in energy absorbing applications.
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References
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