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http://dx.doi.org/10.1016/j.ijnaoe.2018.08.001

Energy flow finite element analysis of general Mindlin plate structures coupled at arbitrary angles  

Park, Young-Ho (Department of Naval Architecture and Marine Engineering, Changwon National University)
Publication Information
International Journal of Naval Architecture and Ocean Engineering / v.11, no.1, 2019 , pp. 435-447 More about this Journal
Abstract
Energy Flow Finite Element Analysis (EFFEA) is a promising tool for predicting dynamic energetics of complicated structures at high frequencies. In this paper, the Energy Flow Finite Element (EFFE) formulation of complicated Mindlin plates was newly developed to improve the accuracy of prediction of the dynamic characteristics in the high frequency. Wave transmission analysis was performed for all waves in complicated Mindlin plates. Advanced Energy Flow Analysis System (AEFAS), an exclusive EFFEA software, was implemented using $MATLAB^{(R)}$. To verify the general power transfer relationship derived, wave transmission analysis of coupled semi-infinite Mindlin plates was performed. For numerical verification of EFFE formulation derived and EFFEA software developed, numerical analyses were performed for various cases where coupled Mindlin plates were excited by a harmonic point force. Energy flow finite element solutions for coupled Mindlin plates were compared with the energy flow solutions in the various conditions.
Keywords
Energy Flow Finite Element Analysis (EFFEA); Energy Flow Analysis (EFA); Mindlin Plate Theory (MPT); Kirchhoff Plate Theory (KPT); Out-of-plane propagating wave; In-plane propagating wave; Wave Transmission Analysis (WTA); Coupled Mindlin plate;
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Times Cited By KSCI : 2  (Citation Analysis)
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