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Rui A.S. Moreira,Francisco J.Q. de Melo,Jose Dias Rodrigues 한국소성가공학회 2010 기타자료 Vol.2010 No.6
This work is devoted to the analysis of the static and dynamic properties of composition corks used as damping cores in sandwich structures. A mixed displacement-stress beam finite element is formulated, implemented and used as a valuable numerical tool in an inverse identification methodology, where the core material is characterized from the free vibration response of the sandwich beam. The obtained values for the storage modulus and loss factor are compared to the static Young"s modulus identified from an experimental characterization analysis using compression and tensile tests.