Toward the application of the layer-wise displacement theory in passenger ships—a quasi-static response

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Journal Title
Journal ISSN
Volume Title
A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
Date
2023
Major/Subject
Mcode
Degree programme
Language
en
Pages
13
4698-4710
Series
Mechanics of Advanced Materials and Structures, Volume 30, issue 22
Abstract
This paper introduces an application of the layer-wise displacement theory for response analysis of multilayer ship girders. Quadrilateral, 6-node finite membrane elements are used for which 8 displacement degrees of freedom at corners, and 4 shear strain degrees of freedom at mid-side nodes, are defined. This approach enables accurate estimates of the shear strain between adjacent layers with different stiffness. A simple cantilever beam, non-uniform stepped girder with constant layer stiffness, and uniform girder with varying stiffness is used in the validation analysis. An excellent agreement between the fine mesh finite element model and the proposed model is observed.
Description
Funding Information: This research work was financed by the Estonian Research Council via grant PRG83 (Numerical simulation of the FSI for the dynamic loads and response of ships). This help is gratefully appreciated. Publisher Copyright: © 2022 The Author(s). Published with license by Taylor and Francis Group, LLC.
Keywords
finite element method, girder analysis, higher-order beam theory, layer-wise displacement theory, Quasi-static structural response
Other note
Citation
Imala , M-M , Naar , H , Tabri , K & Romanoff , J 2023 , ' Toward the application of the layer-wise displacement theory in passenger ships—a quasi-static response ' , Mechanics of Advanced Materials and Structures , vol. 30 , no. 22 , pp. 4698-4710 . https://doi.org/10.1080/15376494.2022.2103859