Effects of thermal gradient on failure of a thermoplastic composite pipe (TCP) riser leg

James C. Hastie; Igor Guz; Maria Kashtalyan

doi:10.1016/j.ijpvp.2019.03.027

Effects of thermal gradient on failure of a thermoplastic composite pipe (TCP) riser leg

James C. Hastie^* (Corresponding Author), Igor Guz, Maria Kashtalyan

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

28 Citations (Scopus)

6 Downloads (Pure)

Abstract

Thermoplastic composite pipe (TCP), consisting of a fibre-reinforced thermoplastic laminate fully bonded between homogeneous thermoplastic liners, is an ideal candidate to replace traditional steel riser pipes in deepwater where high specific strengths and moduli and corrosion resistance are advantageous. During operation, risers are subjected to combined mechanical and thermal loads. In the present paper, a 3D finite element (FE) model is developed to analyse stress state in a section of TCP under combined pressure, axial tension and thermal gradient, illustrative of a single-leg hybrid riser (SLHR) application. From the obtained stresses, through-thickness failure coefficient is evaluated based on appropriate failure criteria. The effects of increasing the internal-to-external thermal gradient are investigated considering temperature dependent material properties. The influence of varying the thickness of the isotropic liners with respect to the laminate is examined.

Original language	English
Pages (from-to)	90-99
Number of pages	11
Journal	International Journal of Pressure Vessels and Piping
Volume	172
Early online date	22 Mar 2019
DOIs	https://doi.org/10.1016/j.ijpvp.2019.03.027
Publication status	Published - May 2019

Bibliographical note

Acknowledgements
The authors wish to thank Dr Oleksandr Menshykov and Dr Maryna Menshykova of the Centre for Micro- and Nanomechanics, University of Aberdeen, for providing MATLAB script for validation purposes.

Corrigendum to “Effects of thermal gradient on failure of a thermoplastic composite pipe (TCP) riser leg” [Int. J. Pres. Ves. Pip. 172 (2019) 90–99] at https://doi.org/10.1016/j.ijpvp.2020.104172

Keywords

Thermoplastic composite pipe
Composite riser
Thermal gradient

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© 2019. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
Accepted author manuscript, 7.64 MBLicence: CC BY-NC-ND

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title = "Effects of thermal gradient on failure of a thermoplastic composite pipe (TCP) riser leg",

abstract = "Thermoplastic composite pipe (TCP), consisting of a fibre-reinforced thermoplastic laminate fully bonded between homogeneous thermoplastic liners, is an ideal candidate to replace traditional steel riser pipes in deepwater where high specific strengths and moduli and corrosion resistance are advantageous. During operation, risers are subjected to combined mechanical and thermal loads. In the present paper, a 3D finite element (FE) model is developed to analyse stress state in a section of TCP under combined pressure, axial tension and thermal gradient, illustrative of a single-leg hybrid riser (SLHR) application. From the obtained stresses, through-thickness failure coefficient is evaluated based on appropriate failure criteria. The effects of increasing the internal-to-external thermal gradient are investigated considering temperature dependent material properties. The influence of varying the thickness of the isotropic liners with respect to the laminate is examined.",

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note = "Acknowledgements The authors wish to thank Dr Oleksandr Menshykov and Dr Maryna Menshykova of the Centre for Micro- and Nanomechanics, University of Aberdeen, for providing MATLAB script for validation purposes. Corrigendum to “Effects of thermal gradient on failure of a thermoplastic composite pipe (TCP) riser leg” [Int. J. Pres. Ves. Pip. 172 (2019) 90–99] at https://doi.org/10.1016/j.ijpvp.2020.104172 ",

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AU - Kashtalyan, Maria

N1 - Acknowledgements The authors wish to thank Dr Oleksandr Menshykov and Dr Maryna Menshykova of the Centre for Micro- and Nanomechanics, University of Aberdeen, for providing MATLAB script for validation purposes. Corrigendum to “Effects of thermal gradient on failure of a thermoplastic composite pipe (TCP) riser leg” [Int. J. Pres. Ves. Pip. 172 (2019) 90–99] at https://doi.org/10.1016/j.ijpvp.2020.104172

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N2 - Thermoplastic composite pipe (TCP), consisting of a fibre-reinforced thermoplastic laminate fully bonded between homogeneous thermoplastic liners, is an ideal candidate to replace traditional steel riser pipes in deepwater where high specific strengths and moduli and corrosion resistance are advantageous. During operation, risers are subjected to combined mechanical and thermal loads. In the present paper, a 3D finite element (FE) model is developed to analyse stress state in a section of TCP under combined pressure, axial tension and thermal gradient, illustrative of a single-leg hybrid riser (SLHR) application. From the obtained stresses, through-thickness failure coefficient is evaluated based on appropriate failure criteria. The effects of increasing the internal-to-external thermal gradient are investigated considering temperature dependent material properties. The influence of varying the thickness of the isotropic liners with respect to the laminate is examined.

AB - Thermoplastic composite pipe (TCP), consisting of a fibre-reinforced thermoplastic laminate fully bonded between homogeneous thermoplastic liners, is an ideal candidate to replace traditional steel riser pipes in deepwater where high specific strengths and moduli and corrosion resistance are advantageous. During operation, risers are subjected to combined mechanical and thermal loads. In the present paper, a 3D finite element (FE) model is developed to analyse stress state in a section of TCP under combined pressure, axial tension and thermal gradient, illustrative of a single-leg hybrid riser (SLHR) application. From the obtained stresses, through-thickness failure coefficient is evaluated based on appropriate failure criteria. The effects of increasing the internal-to-external thermal gradient are investigated considering temperature dependent material properties. The influence of varying the thickness of the isotropic liners with respect to the laminate is examined.

KW - Thermoplastic composite pipe

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JO - International Journal of Pressure Vessels and Piping

JF - International Journal of Pressure Vessels and Piping

ER -

Effects of thermal gradient on failure of a thermoplastic composite pipe (TCP) riser leg

Abstract

Bibliographical note

Keywords

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