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  4. Application of precise integration method for structure dynamics in hydroelasticity computation
 
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Application of precise integration method for structure dynamics in hydroelasticity computation

Citation Link: https://doi.org/10.15480/882.3346
Publikationstyp
Conference Paper
Date Issued
2019-09
Sprache
English
Author(s)
Sun, Zhe  
Zhou, Li  
Herausgeber*innen
Fluiddynamik und Schiffstheorie M-8  
TORE-DOI
10.15480/882.3346
TORE-URI
http://hdl.handle.net/11420/9020
Article Number
46
Citation
11th International Workshop on Ship and Marine Hydrodynamics (IWSH2019), Paper 46
Contribution to Conference
11th International Workshop on Ship and Marine Hydrodynamics (IWSH2019)  
In the previous works, the authors have developed a mixed MPS (Moving Particle Semi-implicit) method -- modal superposition model for the highly non-linear hydroelasticity computation [1]. For the structure dynamic part, the rigid and flexible modes are coupled and their mutual effects are considered. The resultant governing equations for the structure part are highly non-linear. In order to further improve the time integration accuracy, the governing equations were first reformulated into ordinary differential equation systems, then the Precise Integration Method (PIM)[2, 3] was used to solve these equations. The dynamics of flexible wedge was simulated by the developed numerical scheme, which showed a better accuracy for long time simulation compared with normal schemes such as Newmark method.
Subjects
Hydroelasticity
DDC Class
600: Technik
620: Ingenieurwissenschaften
Funding Organisations
National Natural Science Foundation of China
Fundamental Research Funds for the Central Universities
More Funding Information
This work is supported by the National Natural Science Foundation of China (No.51809035), Fundamental Research Funds for the Central Universities (DUT19RC(4)028,DUT2017TB05), to which the authors are most grateful.
Lizenz
http://rightsstatements.org/vocab/InC/1.0/
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