Proceedings of the ICE - Structures and Buildings, ( ISI ), Volume (15), No (1), Year (2017-4) , Pages (1-12)

Title : ( New ways to symmetrise free vibration equations of fluid–structure interaction systems )

Authors: S. M.Zhian Akhavan , Ahmad Aftabi sani , J. Alamatian ,

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It can be difficult to use finite-element (FE) analyses to solve fluid–structure interaction due to asymmetric equivalent mass and stiffness matrices. Based on mathematical calculations, two new techniques are proposed to achieve a symmetric eigenvalue problem. For this purpose, new scale matrices to symmetrise the interaction system’s eigenproblem are presented. Numerical FE analysis of a liquid-storage tank proves the validity and efficiency of the proposed techniques compared with other existing approaches, providing higher convergence rate and lower analysis time.

Keywords

computational mechanics; dynamics; structural
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@article{paperid:1063800,
author = {S. M.Zhian Akhavan and Aftabi Sani, Ahmad and J. Alamatian},
title = {New ways to symmetrise free vibration equations of fluid–structure interaction systems},
journal = {Proceedings of the ICE - Structures and Buildings},
year = {2017},
volume = {15},
number = {1},
month = {April},
issn = {0965-0911},
pages = {1--12},
numpages = {11},
keywords = {computational mechanics; dynamics; structural frameworks;},
}

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%0 Journal Article
%T New ways to symmetrise free vibration equations of fluid–structure interaction systems
%A S. M.Zhian Akhavan
%A Aftabi Sani, Ahmad
%A J. Alamatian
%J Proceedings of the ICE - Structures and Buildings
%@ 0965-0911
%D 2017

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