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http://dx.doi.org/10.7837/kosomes.2021.27.1.201

Development of the Vibration Analysis Program Applying the High-Performance Numerical Analysis Library  

Ko, Dou-Hyun (Naval Architecture and Ocean System Engineering, Korea Maritime and Ocean University)
Boo, Seung-Hwan (Naval Architecture and Ocean System Engineering, Korea Maritime and Ocean University)
Publication Information
Journal of the Korean Society of Marine Environment & Safety / v.27, no.1, 2021 , pp. 201-209 More about this Journal
Abstract
In order to evaluate the vibrational characteristics of huge finite element models such as ships and offshore structures, it is essential to perform eigenvalue analysis and frequency response analysis. However, these analyzes necessitate excessive equipment and computation time, which require the development of a high-performance analysis program. In particular, a considerable computational analysis time is required when calculating the inverse matrix in a linear system of equations and analyzing the eigenvalue analysis. Therefore, it can be improved by applying the latest high-performance library. In this paper, the vibration analysis program that enables fast and accurate analysis was developed by applying 'PARDISO', a parallel linear system of equation calculation library, and 'ARPACK', a high-performance eigenvalue analysis library. To verify the accuracy and efficiency of proposed method, we compare ABAQUS with proposed program using numerical examples of marine engineering.
Keywords
Finite element method; Vibration analysis; Eigenvalue analysis; Frequency response analysis; PARDISO; ARPACK;
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