<abstract xmlns="http://www.w3.org/1999/xhtml"><p>In this study, the dynamic characteristic problem of riser structure with complex pre-stress distribution is investigated. At first, the differential equation of the riser structure with complex pre-stress distribution is derived. The analytical expression of the free vibration of a riser structure with complex pre-stress distribution is discussed by using the orthogonal property of the trigonometric series. A top-tensioned riser (TTR) for example, the influences of the amplitude and direction of complex pre-stress on natural frequency and mode shape characteristics are compared. This study provides a new method for addressing the riser structure response problem with complex loading.</p></abstract>

In this study, the dynamic characteristic problem of riser structure with complex pre-stress distribution is investigated. At first, the differential equation of the riser structure with complex pre-stress distribution is derived. The analytical expression of the free vibration of a riser structure with complex pre-stress distribution is discussed by using the orthogonal property of the trigonometric series. A top-tensioned riser (TTR) for example, the influences of the amplitude and direction of complex pre-stress on natural frequency and mode shape characteristics are compared. This study provides a new method for addressing the riser structure response problem with complex loading.

Dynamic Characteristic Study of Riser with Complex Pre-stress Distribution

State Key Laboratory of Ocean Engineering

Collaborative Innovation Center for Advanced Ship and Deep-Sea Exploration

Polish Maritime Research

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Dynamic Characteristic Study of Riser with Complex Pre-stress Distribution"}

In this study, the dynamic characteristic problem of riser structure with complex pre-stress distribution is investigated. At first, the differential equation...

Dynamic Characteristic Study of Riser with Complex Pre-stress Distribution

Publié en ligne: 18 oct. 2019

Pages: 87 - 97

DOI: https://doi.org/10.2478/pomr-2019-0049

Mots clés
complex pre-stress, top-tensioned riser (TTR), natural frequency, mode analysis, free vibration

© 2019 Luyun Chen et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Dynamic Characteristic Study of Riser with Complex Pre-stress Distribution

Publié en ligne: 18 oct. 2019

Pages: 87 - 97

DOI: https://doi.org/10.2478/pomr-2019-0049

Mots cléscomplex pre-stress, top-tensioned riser (TTR), natural frequency, mode analysis, free vibration

© 2019 Luyun Chen et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
complex pre-stress, top-tensioned riser (TTR), natural frequency, mode analysis, free vibration