The Proceedings of the Dynamics & Design Conference
Online ISSN : 2424-2993
2010
Session ID : 539
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539 Identification of SEA Parameters Using FEM for Automotive Bead Panels
Takuya KURAKAMITakao YAMAGUCHIYasuaki MIYAZAKIToshiaki HUKUSHIMAMOHAMAD TARIQ
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Abstract
This report is about proposal of identification method for SEA (Statistical Energy Analysis) parameters using FEM considered coupling in damping. Usually, damping is influenced by shape of panels and forms of the connection. Therefore, we propose a new identification of SEA parameters (internal loss factors) using FEM considered in damping. We verified using the model, which considered two panels connected in L-shape with viscoelastic damping layers. In this model, an automotive bead panel and a flat panel are connected. As a result, we could identify SEA parameters in high precision. And the proposed SEA enables us to improve not only precision in high frequency but also precision in low frequency.
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© 2010 The Japan Society of Mechanical Engineers
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